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Genetic variation in the androgen receptor gene mainly causes early-onset hair loss, with maternal inheritance playing a key role.

Women look young for their age due to larger lips, less sun damage, and genes that prevent gray hair and wrinkles.

Electrolysis is effective for permanent hair removal, but technique is key to avoid scarring, and sometimes hormonal treatment is needed for women with hirsutism.

Eflornithine cream effectively reduces women's unwanted facial hair but hair returns if treatment stops.

Ruby laser pulses best destroy hair follicles during the growth phase and effectiveness varies with laser intensity; melanin is key for targeting, and timing treatments can improve results.

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

PRP injections improve hair thickness for baldness.

Researchers found that hair shedding happens mostly when new hair is growing and involves a unique process.

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

Eating a high-glycemic diet may worsen acne by increasing certain protein levels and expressions in the skin.

Type 2 diabetes, bacterial scalp infections, and tight hairstyles like braids and weaves are linked to a higher risk of a scarring hair loss condition in African American women.

ADSC-CM treatment improved hair density and thickness in women with hair loss, safely and effectively.

Mice without the vitamin D receptor gene lose hair due to disrupted hair follicle cycles.

Fat cells are important for healthy skin, hair growth, and healing, and changes in these cells can affect skin conditions and aging.

Certain medications including flutamide, spironolactone, and others effectively reduce excessive hair growth in women, especially when combined with lifestyle changes.

Men who think they are losing hair feel worse about themselves, especially if they are younger.

Minoxidil helps hair cells live longer and grow longer.

Women with PCOS have higher androgen levels that decrease with age but are still higher than in women without PCOS.

Hair growth can be induced by certain cells found at the base of hair follicles, and these cells may also influence hair development and regeneration.

Women with acromegaly often have irregular periods due to hormone imbalances and growth hormone effects.

Women with excess body hair feel psychological distress influenced by societal beauty standards, but distress isn't directly linked to the amount of hair.

People with alopecia areata have more Th17 cells and fewer Treg cells, which may be key to the condition's development.

Hair usually grows back 1-3 months after treatment for anagen effluvium, and children with Loose Anagen Hair Syndrome often improve by adolescence.

Caucasian women's hair appears thickest in their 20s, with perceived thinning after mid-30s due to both decreasing density and diameter.

Lower levels of certain brain chemicals are linked to worse PTSD symptoms in men.

Cyclosporin A helps mice grow hair by blocking a specific protein activity in skin cells.

The study found that certain microRNAs are higher in the cells and lower in the fluid of women with a specific type of polycystic ovary syndrome, and one microRNA could potentially help diagnose the condition.

The study suggests smoking is common in HS patients but its role is unclear, and more research is needed to understand HS causes.

Alopecia in captive rhesus macaques is affected by season, sex, age, housing, and stress, with complex links between stress hormones and hair loss.

Melatonin implants and long daylight hours alter the timing of hormone release and hair growth in mouflon sheep.