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The skin is a complex barrier for drug penetration, but understanding its structure and interactions can improve drug delivery methods.

Noggin is necessary to start the hair growth phase in skin after birth.

PrEP for HIV is less effective in transgender women mainly due to low adherence to the treatment.

Interferon alfa-2a is effective for treating cutaneous T cell lymphoma but has significant side effects.

The Multi-Organ-Chip improves the growth and quality of skin and hair in the lab, potentially replacing animal testing.

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.

Overexpression of activin A in mice skin causes skin thickening, fibrosis, and improved wound healing.

Calcium affects where root hairs grow, but other unknown factors determine their growth direction.

The virus was not found in the semen and urine of a man who tested positive for COVID-19.

Use minoxidil for hair loss; finasteride and dutasteride for men, dutasteride for women.

A new microneedle patch made from hair proteins helps regrow hair faster and better than current treatments.

Hair follicle development and microbes help regulatory T cells gather in newborn skin.

Targeted cancer therapies often cause serious skin problems that need careful management.

Androgens may cause hair loss by increasing TGF-beta1 from scalp cells, which inhibits hair cell growth.

The document concludes that developing generic topical drugs requires ensuring they match the original in quality, composition, and structure, and often involves complex testing and regulatory steps.

Estrogens can improve skin aging but carry risks; more research is needed on safer treatments.

Skin cells produce and activate vitamin D, which regulates skin functions and supports hair growth.

Hair follicle dermal stem cells are key for regenerating parts of the hair follicle and determining hair type.

Certain mutations in a hair growth-related gene cause a type of genetic hair loss.

Regenerated fully functional hair follicles using stem cells, with potential for hair regrowth therapy.

Experts recommend thorough medical, sexual, and psychosocial assessments for women's sexual dysfunctions, and suggest individualized treatment plans with regular check-ups. They also mention potential use of estrogen and androgen therapy, but with caution due to safety concerns.

Erectile dysfunction is increasingly common in men under 40, with many physical and psychological causes, and various treatment options available.

Toxic Shock Syndrome mainly affects menstruating women, can recur, and is linked to staph bacteria, with rapid treatment being crucial.

Isotretinoin is highly effective in treating severe acne, rosacea, and gram-negative folliculitis.

Capsaicin, found in chili peppers, can slow down hair growth by affecting skin cells and hair follicles.

Fibromodulin might help reduce scarring if increased in adult wounds like in fetal skin that heals without scars.

Hormone treatments for transgender individuals generally improve mental health and physical transition, with some health risks that require medical supervision.

Scientists made working salivary glands in mice using bioengineered cells, which could help treat dry mouth.

CDP is crucial for lung and hair follicle cell development.

Researchers developed a new model for more realistic computer graphics rendering of hair by considering how light scatters on hair fibers.