Disseminated intravascular coagulation is also associated with widespread purpura, as well as ecchymoses or bruising and bleeding, and has several potential causes. It regulates poly-ADP ribose-polymerase 1, an enzyme with important roles in DNA repair and the expression of inflammatory cytokines. Your use of this website constitutes acceptance of Haymarket Medias Privacy Policy and Terms & Conditions. Effects of topical vitamin K and retinol on laser-induced purpura on nonlesional skin. You may notice them on your skin or mucous membranes (e.g., inside your mouth). Suction bruise Bissett DL, Miyamoto K, Sun P, et al. Any medical information published on this website is not intended as a substitute for informed medical advice and you should not take any action before consulting with a healthcare professional. Actinic purpura is characterized by dark purple patches and macules on the sun-exposed areas such as hands, face, forearm, neck, and legs affecting older people. Heart failure: Could a low sodium diet sometimes do more harm than good? 2002;47:241244. Other parts of the lower extremities may be involved including thighs and dorsal feet. Senile purpura, also called actinic purpura, is a type of elderly skin bruising that doesn't result from serious trauma even though it may look like an injury occurred. ), (Double-blind, randomized, placebo controlled study of 22 patients divided into 2 groups; group 1 applied vitamin K cream to half of face and vehicle cream to other half twice daily for 2 weeks before PDL treatment; group 2 applied vitamin K cream to half of face and placebo cream to other half twice daily for 2 weeks after PDL treatment. Spotty rash on the humans legs. arrow-right-small-blue This is known as actinic purpura. This can create purple spots on the skin that range in size from small dots to large patches. 1996;7:261264. Last medically reviewed on August 6, 2017, Henoch-Schnlein purpura is an inflammation that causes the small blood vessels to leak, leading to a rash. When treatment is necessary, it is not due to the rash itself. vol. I recommend that patients treat their hands and forearms where sun damage is more pronounced and where the skin is thinner and skin injury is more likely to occur. 6. Skin aging: postulated mechanisms and consequent changes in structure and function. The effects of topical vitamin K on bruising after laser treatment. Register for free and gain unlimited access to: - Clinical Updates, with personalized daily picks for you In addition, the incidence of skin disorders increases with age.8,9 Among patients 65 years of age or older in one study (N=198), all had one or more dermatologic conditions. Well, the simplest senile purpura definition is when elderly are more prone to bruises. Actinic (Senile) Purpura. Senile purpura (also known as "Actinic purpura," and "Solar purpura") was first described by Bateman 1 in 1818 when he noted dark purple blotches and determined that they were due to the extravasation of blood into the dermal tissue. Danby SG, Brown K, Higgs-Bayliss T, et al. Researchers noted that the treatment appeared to safely and effectively reduce bruises in people with senile purpura. Although there are numerous potential causes of purpura, the most common type is called senile or actinic purpura and is due to changes in the skin secondary to aging and UV damage. Results showed an exponential increase of senile purpura with respect to age and a higher number of males suffering from SP than females.). Bissett DL, Oblong JE, Berge CA. They are . It causes a characteristic red or purple bruise-like rash and an increased tendency to bleed. Platelets are cell fragments that help blood to clot more effectively, preventing dangerous bleeding. A controlled clinical trial assessed the beneficial effects of a ceramide 3-containing emollient using an experimental skin barrier dysfunction model in healthy volunteers. 2008;20:195200. 2016;15:4957. Farwick M, Santonnat B, Lersch P, et al. Sharp abdominal pain which can intensify during a women's menstrual cycle. 2002. pp. Read more about actinic keratosis. Vitamins C and E are both antioxidants and are believed to offer some safeguard and reversal of photodamage; topical vitamin K is thought to offer some relief against bruising severity; however, more studies are needed to support these statements. Purpura Simplex Bruising and Bleeding. Results are promising in using these treatments, however more studies are needed to fully examine the safety and benefits of these therapies. We link primary sources including studies, scientific references, and statistics within each article and also list them in the resources section at the bottom of our articles. (Placebo-controlled, randomized, prospective study in 75 postmenopausal women who applied topical DHEA cream (ranging from 0.1-2%) twice daily to several areas on the body for 13 weeks. The primary symptom of Senile purpura is large, purple-red bruises that are most common on the . Al-Nuaimi Y, Sherratt MJ, Griffiths CE. The difference involves size: Purpura are bigger. As the body ages, the skin becomes thinner and more delicate. All rights reserved. Dermatol Surg. Senile purpura Senile purpura Senile purpura Senile purpura Who is at risk of senile purpura? 1994;86:645648. [11] Consequently, there will be a substantial increase in age-related dermatologic diseases and conditions in the future. Fried RG, Cash TF. A skin biopsy can also provide important information, particularly when a doctor cannot find an underlying cause for the purpura. 2009;22:200209. Senile purpura is a skin condition which is benign and easy bruising. It most commonly affects children between, A contusion is the medical term for a bruise. disorders and infections that cause abnormalities in blood vessels or blood production, blood vessel deterioration associated with age, infectious or inflammatory diseases that affect the blood vessels, some drugs, such as steroids and sulfonamides, low platelet count, which may lead to increased bleeding after an injury, bleeding gums or nose, or blood in urine or bowel movements, sore, swollen joints, particularly in the ankles and knees, kidney problems, particularly protein or blood in the urine. The following broad generalisations may be made. In initial stages, they are purplish red and appear as patches or spots on the skin. 1189-91. 33. Having hives or a rash if you have allergic purpura. Purpura is a symptom and not a condition itself. [25],[28],[29] The long-term use of an a-hydroxy acid-containing product resulted in significant clinical improvements in facial skin tone and fine wrinkling, which were associated with psychosocial benefits. Results showed that fasting plasma zinc levels were lower in those with senile purpura, than those without. Is the ketogenic diet right for autoimmune conditions? A low platelet count in newborns whose mothers have ITP can also lead to purpura. Actinic purpura is caused by skin aging, both intrinsic and solar, and can occur with or without skin trauma. 49. They predominantly treat thrombocytopenic purpura and patients who do not respond to corticosteroids. My personal observation is that DerMend is very effective for the treatment of actinic purpura. 34. Not only severe trauma, but even mild traumas can also lead to the development of these bruises. Best food forward: Are algae the future of sustainable nutrition? Indian J Pharmacol. (2017). Novel sphingolipid derivatives promote keratinocyte differentiation. 2. Over time, exposure to ultraviolet (UV) rays weakens the connective tissues that hold the blood vessels in their place. Straining. Some hyperpigmentation may remain after the purpura resolves. (2022). Because purpura can signal an underlying medical problem, it may lead to complications without treatment. Gavish has begun his career as a health and medical writer for daily newspapers. Advanced Search Coronavirus articles and preprints Search examples: "breast cancer" Smith J Learn, A bruise usually results from a blow to the body. Bruising can happen more easily if a person uses certain medications or has a health condition or. [18] Similarly, actinic purpura is a cosmetic condition that can also be associated with significant psychological distress. An aquaporin-inspired lipid concentrate for mature skin. ), Seeley, BM, Denton, AB, Ahn, MS, Maas, CS. Actinic purpura is a common benign disorder of dermal connective tissues due to skin damage from chronic sun exposure. 2004;26:231238. Chiu PC, Chan CC, Lin HM, et al. It was first described by Dr. Bateman in 1818. [12] Its unattractive appearance may lead to aversion by others. It is usually caused by loss of subcutaneous fat and is occasionally caused by the excessive use of aspirin or other blood thinners. 15. Senile purpura is a condition which is mostly seen in older adults. 16. Solar purpura is more commonly known as senile purpura, but is also sometimes called actinic purpura or Bateman purpura. On light skin, purpuras appear purple. These included solar lentigines, senile angiomas, xerosis, seborrheic keratoses, varicose veins, and pruritus. Results showed that this treatment has the potential to be an effective antiaging treatment in the future. ), (Placebo-controlled, randomized, prospective study in 75 postmenopausal women who applied topical DHEA cream (ranging from 0.1-2%) twice daily to several areas on the body for 13 weeks. DerMend contains glycolic compound 4.4, a combination of glycolic acid and ammonium glycolate. The clinical hallmark of LCV is palpable purpura: purpuric papules erupt symmetrically on the shins 7-10 days after an inciting factor. When the cause of purpura is an incurable medical condition, checking platelet levels and organ functioning may be necessary. Chem Cent J. 23. What is the latest research on the form of cancer Jimmy Carter has? 8. 153. 24. 140. Draelos ZD, Ertel K, Berge C. Niacinamide-containing facial moisturizer improves skin barrier and benefits subjects with rosacea. Some people develop larger patches of 1 centimeter (cm) or greater. 2000. pp. If the doctor suspects ITP, they may order additional testing. Book: Textbook of Dermatology. 8. Brought to you by Merck & Co, Inc., Rahway, NJ, USA (known as MSD outside the US and Canada)dedicated to using leading-edge science to save and improve lives around the . . Thrombotic thrombocytopenic purpura. Fourth edition. Senile purpura is not always preventable, but people can use sunscreen and protect their skin from sun damage as much as possible. vol. The role of topical vitamin K oxide gel in the resolution of post-procedural purpura. Purpura that is not associated with lower platelet levels (nonthrombocytopenic purpura) has a range of causes and risk factors, including: Purpura with a lowered platelet count (thrombocytopenia) has several potential causes: ITP occurs when the body attacks its platelets, increasing the risk of bleeding and purpuric rashes. Actinic purpura is a dermatological condition described by Batermanin 1918, which is common in the elderly (71). Those who do may benefit from drugs designed to boost platelet count or, in rare cases, the removal of the spleen. Finding the underlying cause of purpura can be tricky. vol. A range of underlying medical conditions can cause both kinds of purpura. Since actinic purpura is a benign condition and the lesions of actinic purpura can migrate, along with limited success with any one modality, treatment is not considered necessary but rather cosmetic. However, people may not like these patches or bruises on their skin so many seek treatment, which may include: Senile purpura does not have any serious complications as it is a benign condition. Mature skin is prone to bruising, resulting in a condition known as actinic purpura, characterized by unsightly ecchymosis and purple patches. Some vascular diseases that affect collagen in the body, such as lupus, rheumatoid arthritis, and Sjogrens syndrome, can also cause purpura. Can poor sleep impact your weight loss goals? The objective of this paper is to review the beneficial properties of these ingredients and their respective roles in the treatment of actinic purpura. Slideshow: Precancerous Skin Lesions and Skin Cancer Picture Slideshow Slideshow: Sun Damage Pictures Slideshow: Sunburn, Melanoma, Carcinoma, and More The rash can resemble tiny clusters of bruises. It is caused by chronic exposure to the sun which causes fragile, damaged skin and manifests as dark purple blotches (macules) and extensive ecchymosis (bruising) on areas of . While we often refer to this as a condition caused by aging, it's more accurately a condition caused by years of sun damage. Indian J Dermatol. [3] The skin becomes thinner and less elastic (solar elastosis),[4] and the barrier function of the skin decreases due to depletion of lipids in the stratum corneum. J Clin Aesthet Dermatol. Bateman's purpura is a result of changes to the skin as a result of chronic sun exposure. Histopathology consists of features of aging skin including flattening of the dermal-epidermal junction, decreased elastic fibers, fibroblasts and collagen, as well as thinning of dermal vasculature. The bruises are not the result of bleeding disorders, a lack of vitamins or minerals, or a sign of a. Thanks for visiting Dermatology Advisor. Low platelet (a blood cell that stops your body from bleeding) levels Platelets that do not work correctly Injury to blood vessels Fragile or weak blood vessels An allergic reaction to a blood transfusion Actinic purpura, also known as Bateman's or senile purpura, is due to the rupture of delicate blood vessel walls, leading to an erythematous purpura most often seen on the dorsum of the hands in elderly populations . J Dermatolog Treat. MNT is the registered trade mark of Healthline Media. 46. Any bruising or. Kaya G, Jacobs F, Prins C, et al. Int J Cosmet Sci. The symptoms of senile purpura most commonly occur on the exposed parts of the skin, such as the arms, hands, or top of the head. This can include options such as chemotherapy, antiviral drugs, steroid medications, antibiotics, and surgery. Purpura happen when blood leaks from blood vessels and collects under the skin or mucus membrane. Attempts to increase the dermal thickness have been tried with topical retinoids and AHAs with minimum benefits. Second, they are not tender. He would carry out a thorough examination of the patient. 1996;22:439441. Extravasated blood usually breaks down and changes colour over a few weeks from purple, orange, brown and even blue and green. Similar to other skin conditions, the incidence of actinic purpura increases with advancing age and occurs with equal frequency among men and women. Other causes of nonthrombocytopenic purpura can include: allergic vasculitis. 47. Not all cases of purpura demand immediate treatment. Specific results include an increase in the expression of the androgen receptor, heat shock protein 37, and procollagen 1 and 3 mRNA in the dermis. Over time, they turn purple and darken a bit further before fading away. If you lift weights, the straining from pulling on the weights could cause the blood droplets to appear. Treatment for Henoch-Schnlein purpura focuses on improving the symptoms. An open label clinical trial to evaluate the efficacy and tolerance of a retinol and vitamin C facial regimen in women with mild-to-moderate hyperpigmentation and photodamaged facial skin. On dark skin, the patches appear dark brown or black. "Actinic" and "solar" both mean sun. Australas J Dermatol. Can diet help improve depression symptoms? These are called petechiae. Yamamoto Y, Uede K, Yonei N, et al. A study in the Journal of Drugs and Dermatology found success using an oral medication designed to treat and prevent senile purpura. While the skin will not be itchy or painful in many cases, there may sometimes be some tenderness or irritation. Panich U, Sittithumcharee G, Rathviboon N, et al. Senile purpura Stock Photos and Images. J Cosmet Dermatol. - Evidence-Based Guidance Updated by Hon A/Prof Amanda Oakley, November 2015. Guidelines for patient management. Purpura Purpura, also known as skin hemorrhages or blood spots, can signal several medical problems, ranging from minor injuries to life threatening infections. 2005;76:135141. Products containing the ?-hydroxy acids glycolic acid and lactic acid and the b-hydroxy acid salicylic acid have been used for treating cosmetic skin conditions, such as seborrheic keratoses, melasma, actinic keratoses, and verrucae vulgares, and the rejuvenation of photoaged skin, for many years. 1993;48:3042. LOCATION Frequently on ultraviolet (UV) exposed areas including the face, lips, ears, scalp, shoulders, neck, back of the hands and forearms. vol. Senile Purpura also termed as actinic purpura is a common skin condition that is benign and causes bruises, particularly on forearms and legs. Using an in vitro model, the effects of the ceramides phytosphingosine, sphingosine, sphinganine and their hexanoyl-, stearoyl- and salicyl-derivatives were assessed using human keratinocytes. Bellemre G, Stamatas GN, Brure V, et al. If a doctor suspects Henoch-Schnlein purpura, urine tests can assess kidney function by testing for protein and blood in the urine. Drugs that suppress the immune system, such as prednisone, may help elevate platelet levels. Christman JC, Fix DK, Lucus SC, et al. Reszke R, Pe?ka D, Walasek A, et al. It was initially described by Bateman in 1818 and is also known as Bateman senile purpura or Bateman disease. These are the latest medications for the treatment of ITP. Results showed that application of vitamin K before the laser treatment did not reduce brusing, however patients who applied vitamin K after the laser treatment did demonstrate a significant reduction in the severity of bruising. Other causes of nonthrombocytopenic purpura. 2016;15:476482. [22] Histology studies demonstrated increased expression of type 1 procollagen, hyaluronan, and Ki67, a marker for cell proliferation. 1999. pp. J Cosmet Dermatol. Long-sleeved shirts and hats can help protect the skin from the sun, and people should try to avoid bumps and bruises as much as possible. The bruises start as flat, red blotches. Actinic purpura is a cosmetic problem related to aging skin. Actinic purpura, also referred to as senile or solar purpura, are found in approximately 12% of patients over the age of 50 years, and in up to one-third of elderly patients in long-term care facilities. In these topics. RF 2H4RE8B - Discolored spots of senile purpura, aging skin. 12. Older individuals have thinner, more fragile skin, so bruises are more likely to form as a result. Thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. Hematologists who can offer a specific treatment plan should manage difficult-to-treat ITP. If you do take a "blood thinner," your doctor will likely not want you to stop it. [27] Clinically, measured improvements in skin quality include decreased skin roughness, skin dryness, discoloration, solar keratoses, and overall pigmentation, increased collagen I and procollagen I, and improved quality of elastic skin ?bers. vol. Ed Rook A, Wilkinson DS, Ebling FJB, Champion RH, Burton JL. 28. Youve viewed {{metering-count}} of {{metering-total}} articles this month. Individuals with chronic sun exposure and/or long-term corticosteriod use (topical and systemic), are also more susceptible to actinic purpura. 48. Taking these types of medications increase the risk of internal bleeding, but having this skin condition doesn't mean you have an especially high bleeding risk. Aging Clin Exp Res. Actinic purpura is a benign clinical entity resulting from sun-induced damage to the connective tissue of the dermis. Women have lesser collagen than men; hence, it's slightly more common in women than in men. Disclosure: The author acknowledges the editorial assistance of Dr. Carl S. Hornfeldt, Apothekon, Inc., with funding provided by Ferndale Healthcare. Resurfacing with topical agents. Medicine, science concept. The barrier function of the stratum corneum is dependent on the presence of a lipid matrix that includes the epidermal sphingolipid ceramides. We hope youre enjoying the latest clinical news, full-length features, case studies, and more. 2006;33:1622. 17. Hemmati AA, Houshmand G, Ghorbanzadeh B, et al. Older adults who bleed very easily tend to experience purpura more often. You can learn more about how we ensure our content is accurate and current by reading our. Sometimes it is also known as Actinic purpura. Chen AC, Damian DL. 2002;46:331338. 2012;11:2229. There are many different types of purpura. Dont miss out on todays top content on Dermatology Advisor. (Double-blind study of 29 patients undergoing rhytidectomy that were treated perioperatively with arnica or placebo. Purpura is purple spots or patches on your skin or in your mucus membranes (such as your mouth and throat). They can also occur in the mucous membranes, especially in the mouth or other internal organs. Subjects were randomized to receive twice-daily treatment with 0.1% retinoic acid cream or non-medicated vehicle on each arm for 16 weeks. (Reviews treatments for the aging skin; includes a discussion on vitamin C and topical hormone therapy. It is a benign condition of the dermal connective tissues, which is caused by sun . Excessive sunlight exposure is a main cause, so exposed areas like the limbs are most often affected. The spots appear differently depending on your skin tone. Page 1 of 1. [16] Following extravasation, blood is typically resorbed in 10 to 14 days. [5] This fragility syndrome has been termed dermatoporosis.6 Changes in normal skin physiology include increased susceptibility to infection, diminished superficial pain perception, and decreased immune and inflammatory responses.[7]. This site uses Akismet to reduce spam. These bruises resolve on their own, but they bother her cosmetically. Another suggests actinic purpura affects less than 10 percent of people over 50 years old. Purpura is nonblanchable because the blood is extravasated outside the vessel walls. This is. Patients with this condition develop persistent dark purple ecchymoses, which are characteristically confined to the extensor surfaces of the hands and forearms . Soma Y, Kashima M, Imaizumi A, et al. After years of sun exposure, blood vessels can burst with only minor impact, such as a handshake or light bump, leaving . The main symptom of purpura is a purplish-red rash beneath the skins surface. Arch Dermatol. 3. A survey of skin problems and skin care regimens in the elderly. Chen AC, Martin AJ, Choy B, et al. Kidney damage can occur in people with Henoch-Schnlein purpura; this damage may require dialysis or a kidney transplant and can become life threatening without treatment. Injury Durai PC, Thappa DM, Kumari R, et al. Skin Pharmacol Physiol 2016;29:135147. Fair skinned older people are more likely to develop the condition. Bateman's purpura, also known as actinic purpura, is a very common condition seen in the geriatric setting. Is the ketogenic diet right for autoimmune conditions? Nicotinamide and the skin. vol. 39. 626-34. Senile purpura is a bruised area of the skin that usually occurs on the arms and hands. Coagulation defects usually present as large ecchymoses and external bleeding. Doctors may also perform other tests based on the patients symptoms and the suspected diagnosis. Arnica oil is derived from the medicinal plant Arnica montana L. Extracts of A. montana are rich in flavonoids and phenolic acids and demonstrate antioxidant activity in vitro and protection against oxidative damage in fibroblast-like cells.31 The topical application of an A. montana-containing gel demonstrated beneficial effects on experimental wound healing in an animal model32 and an A. montana-containing ointment improved pulsed-dye laser-induced bruising in human volunteers.[33]. Underlying causes, such as leukemia, need to be treated, as do effects such as kidney failure. If the skin is especially thin, it may tear, causing a lesion at the site of the bruise. Treatment of actinic purpura. Niacinamide (or niacin) is a form of vitamin B3 with antioxidant properties that help improve skin appearance. What is the latest research on the form of cancer Jimmy Carter has? Learn more here. [12] Ultrasound measurements indicated a mean (SEM) skin thickening of 195.2 (35.7) m while the mean number of purpuric lesions decreased from 15 (4.6) to 2.3 (0.7) over the same time period. Accessed October 2016. We prefer the term sunburn purpura because it reflects the acuity of the phenomenon, as opposed to the previous labels solar purpura or photolocalized purpura, which also could suggest causality from chronic sun exposure.It has been proposed that sunburn purpura is a . Petechiae are small, purpuric lesions up to 2mm across Ecchymoses or bruises are larger extravasations of blood. Dermatol Surg. Retinol. 25. Actinic purpura does not require any specific treatment. Latest News Your top articles for Saturday, Continuing Medical Education (CME/CE) Courses. Actinic changes Senile Purpura Images Picture 1 : Senile Purpura on lower legs Image source : patient.co.uk Picture 2 : Senile Purpura Photo Image source : patient.co.uk Diagnosis Laboratory tests Normal platelet count Positive capillary fragility test Normal hemostasis Diagnostic criteria Purpura refers to purplish cutaneous or mucosal lesions caused by hemorrhage. Pathologica. Kligman AM. The term 'purpura' describes a purplish discolouration of the skin that is produced by small bleeding vessels near the surface. We avoid using tertiary references. 2014;71:177184. 1103-6. Solar purpura is often missed as a diagnosis as it takes only minimal sun exposure to cause the condition as a result of years or decades of blood vessel weakening. Niacinamide: a B vitamin that improves aging facial skin appearance. Evaluation of anti-wrinkle effects of a novel cosmetic containing niacinamide. For example, they may appear brownish-black on darker complexions and reddish-purple on lighter complexions. 968-76. J Clin Pathol. Chapter Contents Actinic Purpura Disseminated Intravascular Coagulation K-Derm Cream has been on the market for over three years and has proven very effective for senile and actinic purpura. Topical hormone therapy (ie, DHEA and progesterone creams). Patients develop persistent dark purple ecchymoses . Differences between purpura and petechiae. [36] Ceramides also play a role in the differentiation of keratinocytes and regulation of cell signaling. Any medical information published on this website is not intended as a substitute for informed medical advice and you should not take any action before consulting with a healthcare professional. Semin Cutan Med Surg. This occurs because the skin and the blood vessels become more fragile as we age, making it easier for our skin to bruise from minor trauma. This treatment is normally only effective in the short term. The symptoms that sometimes accompany purpura can help identify its cause. Results showed an exponential increase of senile purpura with respect to age and a higher number of males suffering from SP than females.). ), Haboubi, NY, Haboubi, NA, Gyde, O. It is characterized by oddly shaped discolored areas on exposed skin, usually on the arms and hands. In one study, retinol 0.1% was applied to the skin of healthy women 35 to 55 years old (N=41) every other day for two weeks, then daily for 10 additional weeks. There are also some new medications available. This product contains ingredients that effectively treat actinic purpura by improving local circulation, thickening the skin, and repairing the skin barrier. 29. Kornhauser A, Coelho SG, Hearing VJ. Purpura may also occur in the mucous membranes, especially of the mouth and in the internal organs. 2006. pp. [17] After two weeks of treatment, there were fewer lesions on the retinoic acid-treated arm (p<0.05); however, there were no significant differences after that time. Here is an article about a product, Dermend, that is supposed to help with this. Optimal Therapeutic Approach for this Disease, Unusual Clinical Scenarios to Consider in Patient Management. Pain in the joints, especially the ankles and knees. 2012;6:97. 1996. pp. blood clotting issues caused by medication or disease, infectious diseases, particularly among children and the elderly, poor nutrition when it leads to a lack of vitamin C, some forms of cancer, such as leukemia and myeloma, inflammatory conditions and disorders, such as. Numerous studies have demonstrated the beneficial effects of topical retinol, a precursor of retinoic acid. 2000;1:8188. 2002. pp. This cut can be treated in the same way as a regular cut. [21], A 52-week, double-blind, vehicle-controlled study demonstrated the ability of a retinol 0.1% formulation to significantly improve the appearance of photodamaged skin including a 44-percent improvement in lateral canthal fine lines and an 84-percent improvement in the appearance of mottled skin.
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