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Acne affects most teenagers and can continue into adulthood, with various treatments available that show improvement but have concerns like antibiotic resistance and side effects.

Scientists have found a way to create hair follicles from skin cells of newborn mice, which can grow and cycle naturally when injected into adult mouse skin.

Shorter CAG repeats may cause hair and skin issues, while longer ones may link to acne.

Hormone treatments in transsexual individuals reduce hair growth and oil production in male-to-females and increase them in female-to-males.

Telocytes might help with skin repair and regeneration.

Laser hair removal effectiveness depends on targeting hair structures without harming the skin, and improvements require more research and expert collaboration.

Aging causes skin stem cells to work less effectively.

EGFR inhibitors often cause skin problems and other side effects, but these are usually reversible and can be managed to keep patients comfortable.

Stem cells in the hair follicle are regulated by their surrounding environment, which is important for hair growth.

Different types of stem cells and their environments are key to skin repair and maintenance.

Human hair follicle organ culture is a useful model for hair research with potential for studying hair biology and testing treatments.

Estrogen Receptor ß (ERß) is the main hormone controller in human skin and hair follicles, not Estrogen Receptor α (ERα) or the Androgen Receptor (AR).

Damage to skin releases dsRNA, which activates TLR3 and helps in skin and hair follicle regeneration.

Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.

Cytokeratin 19 and cytokeratin 15 are key markers for monitoring the quality and self-renewing potential of engineered skin.

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

No effective treatment for frontal fibrosing alopecia was found, but oral 5-alpha-reductase inhibitors had the best response; for lichen planopilaris, topical corticosteroids were commonly used but had a high relapse rate.

Aminopterin strongly suppresses epithelial tissues and can treat certain skin conditions but has significant side effects.

Testosterone treatment in trans men increases body and facial hair and may lead to hair loss over time, but severe skin issues are rare.

Targeting hair follicles can improve skin treatments and reduce side effects.

ICG-enhanced NIR laser therapy may be a promising acne treatment with improvement and no side effects.

We need more research to better understand human hair follicle stem cells for improved treatments for hair loss and skin cancer.

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

The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.

The document concludes that certain genetic mutations and dietary factors are involved in acne development, and treatments like isotretinoin and diet changes can help manage it.

The human hair follicle can store topical compounds and be targeted for drug delivery with minimal side effects.

Antiandrogens affect androgen-dependent body functions and are used for various medical conditions, with some risks like fetus feminization, but new forms like 17α-propylmesterolone show promise for acne without systemic effects.

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

Nanoparticles can improve skin treatments by better targeting hair follicles, but more research is needed for advancement.

Dutasteride 0.5 mg daily improves hair growth safely in men with hair loss.