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Hair loss in Androgenetic alopecia (AGA) is due to altered cell sensitivity to hormones, not increased hormone levels. Hair growth periods shorten over time, causing hair to become thinner and shorter. This is linked to miscommunication between cell pathways in hair follicles. There's also a change in gene expression related to blood vessels and cell growth in balding hair follicles. The exact molecular causes of AGA are still unclear.

Traction may not be the only cause of cicatricial marginal alopecia.

Hair restoration surgery redistributes existing hair to achieve a natural look, with visible regrowth in 3-4 months and rare complications, mostly aesthetic.

Minoxidil and finasteride treat hair loss in men, while minoxidil treats hair loss in women.

Hormone therapy affects hair growth in transgender individuals, with testosterone potentially causing hair loss in trans men and estrogen reducing facial/body hair in trans women; treatment options vary.

Proper hair care can prevent and stop hair breakage in people with acquired trichorrhexis nodosa.

Hormones and their receptors, especially androgens, play a key role in hair growth and disorders like baldness.

Using micro-needling, low-level laser therapy, and platelet-rich plasma together significantly improves hair growth in people with hair loss.

The document concludes that hair loss is common and can be treated with medications like minoxidil or surgical options, and it significantly affects people's psychological well-being.

Androgens, like DHT, affect hair growth and treatments like finasteride may help.

Zolpidem shows up in hair from the top back of the head after one dose and fades over time, suggesting it gets into hair through blood and sweat.

Many treatments for hair loss show potential, but more testing is needed to confirm their effectiveness. Only minoxidil for women and minoxidil and finasteride for men are FDA approved.

Oral minoxidil 5 mg daily increases hair growth safely in men with hair loss, with minor side effects.

Caffeine shows promise for treating some types of hair loss, but more research is needed.

Finasteride effectively treats hair loss and enlarged prostate in men, with mild side effects.

The authors suggest that scalp hair might protect against COVID-19 and call for more research on scalp health and the virus.

Transcutol P best increases Finasteride absorption for hair loss treatment.

Trichoscopy is an effective, noninvasive method for early diagnosis of Female Pattern Hair Loss.

Low-dose oral minoxidil effectively reduces hair loss in women with female pattern hair loss.

Histopathology is not reliable for detecting early fibrosis in traction alopecia or for showing how severe it is.

Hair loss can be managed with treatments like minoxidil, finasteride, and others, but there are still gaps in effectiveness and off-label usage is increasing.

Finasteride, a hair loss drug, may cause sexual dysfunction and depression, but these effects are usually temporary and the drug is generally safe. More research is needed.

Micro-needling with low-level light therapy effectively increases hair growth in people with mild to moderate hair loss.

Low-dose oral minoxidil is effective and well-tolerated for treating hair loss.

The Shen Bai Hair Growing Decoction may help treat hair loss by promoting hair growth and reducing inflammation.

Natural products and phytochemicals may help with hair regrowth, but more research is needed.

The conclusion is that better understanding and more research are needed to effectively manage follicular and scarring disorders in skin of color, with an emphasis on patient education and cultural awareness.

Dihydrotestosterone and 5α-Reductase play a role in hair loss and prostate health, and finasteride can increase hair growth in men without affecting sperm production, but it doesn't work for postmenopausal women with hair loss.

Some patients taking finasteride or dutasteride may have ongoing sexual problems and depression even after stopping the medication.

5-alpha reductase inhibitors slightly increase the risk of sexual and mood side effects, and breast growth in men.