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GlossarySun Exposure

exposure to the sun's ultraviolet rays affecting skin health

Sun exposure, also known as sunlight exposure or UV exposure, refers to the amount of time the skin is exposed to the sun's ultraviolet (UV) rays. While moderate sun exposure is essential for the production of vitamin D, excessive exposure can lead to skin damage, premature aging, and an increased risk of skin cancer.

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Photostability and Toxicity of Finasteride, Diclofenac, and Naproxen Under Simulated Sunlight Exposure: Evaluation of the Toxicity Trend and Packaging Photoprotection

research Photostability and Toxicity of Finasteride, Diclofenac, and Naproxen Under Simulated Sunlight Exposure: Evaluation of the Toxicity Trend and Packaging Photoprotection

13 citations, December 2013 in “Chemistry Central Journal”

Sunlight exposure increases drug toxicity; amber glass best for protection.

research Androgenetic Alopecia in Policemen: Higher Prevalence and Different Risk Factors Relative to the General Population (KCIS No. 23)

12 citations, September 2011 in “Archives of Dermatological Research”

Policemen have more hair loss due to obesity, sunlight exposure, and stress.

research Flexural Agminated Eruptive Nevi in Langerhans Cell Histiocytosis

9 citations, May 2013 in “JAMA Dermatology”

Sunlight exposure improved a patient's skin condition, and there may be a link between a certain disease and skin growths; a leukemia treatment caused changes in hair color and growth.

research Effect of Lifestyle Pattern and Cultural Practices on Vitamin D Status of Muslim Women in Coimbatore City

1 citations, February 2022 in “Indian Journal of Nutrition and Dietetics/Indian journal of nutrition and dietetics”

Muslim women in Coimbatore with limited sunlight exposure due to cultural dress and lifestyle have low vitamin D levels.

research Modeling of Solar UV-Induced Photodamage on the Hair Follicles in Human Skin Organoids

January 2024 in “Journal of tissue engineering”

Sunlight exposure damages hair follicles, but certain stem cell-derived particles can reduce this damage and help with hair regeneration.

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community Sunlight: Does it Stimulate Hair Growth or Hair Loss?

in Research/Science 61 upvotes 7 months ago

The conversation discusses whether sunlight exposure affects hair growth or loss, with mixed anecdotes and theories but no clear consensus. Some suggest moderate sunlight can benefit hair by providing vitamin D, while others doubt its effectiveness compared to treatments like Minoxidil or finasteride.

community 28M, For the past 8 months on 1.25mg of fin

in Progress Pictures 330 upvotes 4 months ago

A 28-year-old male experienced significant hair regrowth over 8 months using 1.25mg of finasteride daily, without minoxidil or micro needling. He also took vitamin D3, K2, magnesium, and a B100 complex, reporting increased libido as a side effect.

community Sucess story for you guys, pics are 10+ years apart.

in Progress Pictures 311 upvotes 8 months ago

A user shared a success story showing hair regrowth over 10 years, attributing it to quitting creatine and taking 0.5mg finasteride. Some commenters were skeptical about creatine's impact, while others inquired about side effects, and the original poster reported no negative effects from finasteride.

community Can we once and for all clarify whether tretinoin helps or hurts hair?

in Treatment 41 upvotes 3 years ago

Tretinoin's effect on hair loss is debated; some say it improves minoxidil's effectiveness, while others claim it causes hair loss. Treatments discussed include tretinoin, minoxidil, finasteride, RU58841, and dermarolling.

community I am actually regrowing my hairline without minoxidil or finasteride (mechanical stimulation)

128 upvotes 6 years ago

Regrowing hairline without the use of Minoxidil or Finasteride, and instead using mechanical stimulation such as Derma Roller, Nizoral, Zinc Pyrithione, Scalp Massage, Scalp Exercise, Fish Oil and other topical solutions. It is cautioned that there are risks associated with not using medically-prescribed treatments, but it is suggested to consider mechanical stimulation in addition to those prescribed treatments.

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