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Estrogens help reduce skin aging, and SERMs might offer similar benefits without the risks of hormone therapy.

The hydrogel with a 1:3 ratio of hydroxyethyl cellulose to hyaluronic acid is effective for delivering drugs through the skin to treat acne.

Hormones, especially androgens, play a big role in acne, but most acne sufferers don't have a hormone disorder. Hormonal treatments, including birth control pills, can be very effective for women whose acne doesn't improve with regular treatments.

Finasteride and minoxidil are effective for hair regrowth, while treatments for alopecia areata have varying success and continuous treatment is necessary.

The article concludes that the wool follicle is a valuable model for studying tissue interactions and has potential for genetic improvements in wool production.

Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.

Animals that change color with the seasons mainly do so in response to daylight changes, but climate change is causing camouflage problems that may require evolutionary changes.

Wnt and Notch signaling help wound healing by promoting cell growth and regulating cell differentiation.

Microneedling is promising for treating various skin issues but needs more research to confirm its effectiveness and safety.

The document concludes that hair is complex, with a detailed growth cycle, structure, and clinical importance, affecting various scientific and medical fields.

UV radiation can help sterilize wounds and promote healing but requires careful use to avoid damaging cells.

Skin-derived precursors in hair follicles come from different origins but function similarly.

The document concludes that assessing hair follicle damage due to cyclophosphamide in mice involves analyzing structural changes and suggests a scoring system for standardized evaluation.

Skin surface lipids are important for skin health and altering them could help prevent aging and treat skin conditions.

Chemotherapy often causes temporary hair loss, which is distressing and needs better treatment and support.

The document concludes that adult mammalian skin contains multiple stem cell populations with specific markers, important for understanding skin regeneration and related conditions.

Hormonal treatments, including birth control and antiandrogens, can effectively treat acne in women.

Targeted cancer therapies often cause skin reactions, so dermatologists must manage these effects.

Vitiligo is linked to autoimmune diseases and hearing issues, so hearing tests are recommended for patients.

The article concludes that better understanding gene regulation related to seasonal changes can offer insights into the mechanisms of seasonal timing in mammals.

The study found that diseases can be grouped by symptoms and that the accuracy of predicting disease-related genes varies with the data source.

A certain smell receptor in hair follicles can affect hair growth when activated by a synthetic sandalwood scent.

Lichen Planopilaris and Frontal Fibrosing Alopecia may help us understand hair follicle stem cell disorders and suggest new treatments.

Larger spheroids improve hair growth, but size doesn't guarantee thicker hair.

Stress hormone corticosterone blocks a growth factor to slow down hair stem cell activity and hair growth.

Muscles and nerves that cause goosebumps also help control hair growth.

Environmental factors, hormones, nutrition, and stress all significantly affect skin health and aging.

Researchers created a fully functional, bioengineered skin system with hair from stem cells that successfully integrated when transplanted into mice.

Human skin cells produce proenkephalin, which changes with environmental factors and skin diseases.

Hormones, especially androgens, play a key role in acne, which can be a symptom of systemic diseases like PCOS and may require targeted treatment.