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GlossaryPhotoaging

premature skin aging caused by repeated UV radiation exposure

Photoaging, also known as sun-induced aging, refers to the premature aging of the skin caused by repeated exposure to ultraviolet (UV) radiation from the sun or artificial sources like tanning beds. This process leads to changes such as wrinkles, loss of skin elasticity, pigmentation changes, and a rough texture, primarily due to the breakdown of collagen and the formation of abnormal elastin.

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research Melasma, A Photoaging Disorder

144 citations, December 2017 in “Pigment cell & melanoma research”

Melasma is now considered a skin aging disorder caused by sun exposure in people with a genetic tendency, which impacts treatment and prevention approaches.

research A Novel In Vivo Model for Evaluating Agents That Protect Against Ultraviolet A-Induced Photoaging

26 citations, April 1998 in “Journal of Investigative Dermatology”

Sunscreens with higher SPF and UVA filters offer the best protection against skin aging from UVA rays.

research Protective Mechanism of Adipose-Derived Stem Cells in Remodeling of the Skin Stem Cell Niche During Photoaging

13 citations, January 2018 in “Cellular Physiology and Biochemistry”

Fat-derived stem cells can help protect and repair skin stem cells from aging caused by UV light.

research Effects of UV-Induced Photoaging on the Hair Follicle Cycle of C57BL6/J Mice

10 citations, May 2021 in “Clinical, cosmetic and investigational dermatology”

UV exposure causes hair thinning, graying, and changes in hair growth cycles in mice.

research Cosmeceutical Therapy: Addressing the Effects of UVR Photoaging on the Skin’s Circadian Rhythm

6 citations, March 2022 in “International journal of molecular sciences”

Natural skincare products may help reduce sun damage and support the skin's daily cycle.

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community Trying to regrow crown been on Fin for 4.5 years

in Finasteride/Dutasteride 6 upvotes 7 months ago

The user has been on finasteride for 4.5 years and minoxidil for 10 years, maintaining hair but not regrowing much on the crown and temples. They are considering using a dermastamp more frequently and possibly trying RU58841, but are hesitant about dutasteride due to concerns about side effects and DHT suppression.

community Why do I see so many people here recommend microneedling?

in Microneedling 105 upvotes 1 year ago

The efficacy of microneedling for hair regrowth as either a stand-alone therapy or adjunct to Minoxidil, and whether Tretinoin is a safer and more effective option. Replies include personal accounts from users who have had success with microneedling in combination with minoxidil and peptide serums, as well as considerations of technique, depth, and potential scarring.

community Take A Vitamin D Blood Test!!!

in Treatment 48 upvotes 2 years ago

Low Vitamin D can cause hair shedding, and taking 5000 IU of Vitamin D daily reduced shedding significantly. Vitamin D deficiency is common and correcting it can benefit overall health.