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Men's hair loss is caused by hormones and genes, and can be treated with medication and surgery, while graying is due to aging and has no prevention except dyeing.

Aging alone rarely causes significant hair loss; hormones are a bigger factor.

The document concludes that there is no agreed-upon best method for measuring drug delivery within hair follicles and more research is needed to validate current techniques.

Different hair growth problems are caused by genetic issues or changes in hair growth cycles, and new treatments are being developed.

Testosterone therapy may slightly improve sexual function in postmenopausal women, but its long-term safety is unknown.

The conclusion is that androgenetic alopecia and senescent alopecia have unique gene changes, suggesting different causes and potential treatments for these hair loss types.

Lovastatin doesn't improve lower urinary tract symptoms treatment.

Moderately high prolactin levels do not cause hair loss in women.

Europe needs a clear system to watch over cosmetics for safety and to make sure product claims are true.

A woman's masculine symptoms were caused by an ovarian tumor, which improved after surgery.

Cyproterone acetate is the preferred treatment for women's hyperandrogenism when estrogen/progestogen use is safe.

The food supplement with L-cystine, Serenoa repens extract, and biotin safely reduced hair loss and improved hair growth in men and women.

Low-dose flutamide improved hirsutism and satisfaction in women but had common side effects, causing some to stop treatment.

Melasma is a skin condition linked to female hormones, genetics, UV exposure, and certain medications, but not to pituitary, adrenal, or thyroid diseases.

Treating melasma in men is difficult, especially for the deeper skin layers, and may need more than just topical treatments.

Hair ages and thins due to factors like inflammation and stress, and treatments like antioxidants and hormones might improve hair health.

The document concludes that protecting skin from the sun, avoiding smoking, and using treatments like Minoxidil and Finasteride can help manage skin and hair aging.

Psychological factors play a significant role in developing alopecia areata.

Darker skin in 10-year-old girls may be an early sign of puberty.

Finasteride, when taken daily, lowers dihydrotestosterone levels but doesn't noticeably affect adrenal steroid production, except by blocking the 5 alpha-reductase enzyme.

Topical finasteride at 0.25% is effective and has fewer side effects than oral finasteride for hair loss.

Minoxidil and Finasteride are effective for male baldness; more research is needed for hair aging treatments.

The engineered yeast strain BLYAS can quickly and sensitively detect androgenic chemicals.

The method can measure multiple steroids in human hair to study long-term steroid metabolism, especially in newborns and children.

Take care of your hair as much as your face for a youthful look.

Avoid high-tension styles and use professional treatments to reduce hair damage and health risks.

Bicalutamide may help treat female pattern hair loss.

The supplement significantly improves hair density and appearance in people with hair loss.

Coloring shampoos for gray hair may cause gene mutation, reproductive issues, and skin damage, needing stricter regulation and expert consultation.