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Damaged hair follicle stem cells may leave the skin to help maintain youthfulness.

Hair loss can make people feel less attractive and confident, leading them to try many treatments.

Amphetamine use may not cause hair loss, "geezer" traits are normal aging, not all educated older people are stereotypes, and metronidazole can rarely cause lung disease.

More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.

Estrogen therapy can reduce skin aging but has cancer risks.

Hair graying happens because certain cells aren't maintained properly.

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

Human hair follicle stem cells can turn into multiple cell types but lose some of this ability after being grown in the lab for a long time.

Wnt10b makes hair follicles bigger, but DKK1 can reverse this effect.

Taking DHEA for a year is generally safe for postmenopausal women but may cause acne and more facial hair without improving metabolism or aging.

Mobile phone radiation can cause DNA damage in human hair root cells.

HRT helps improve skin issues caused by menopause.

An 81-year-old man's white hair began to regain its original color while he was treated with lenalidomide, suggesting that graying hair might be reversible.

INVERSION Femme supplement helped women lose weight, reduce hair loss, and improve skin and nail health.

Lipids are crucial for healthy hair, protecting it from damage and breakage.

Stress turns hair white by depleting color-giving cells in hair follicles through a specific neurotransmitter related to the body's stress response.

Tetracycline can stick to hair follicles and potentially cause hair loss.

Hair restoration, especially at the hairline and frontal hair volume, can improve facial balance and attractiveness, with follicular unit transplantation being a successful method.

The document concludes that successful hair restoration surgery should consider facial proportions and balance, and requires surgical skill, artistic judgment, and realistic goals for a natural look.

Vitamin D helps regulate calcium levels in the body.

Muttaijow ComplexTM improved skin, hair, and nail health in middle-aged adults.

Middle-aged men are usually either bald or gray, not both.

Black rice extract ointment significantly promotes hair growth in Wistar rats.

Adipose Stem Cell-derived Exosomes (ASCE) could potentially be used for hair loss treatment and scalp rejuvenation, as they have shown to increase hair length, thickness, and count, and improve conditions like androgenic alopecia and alopecia areata.

Lef1 is essential for normal skin, hair growth, and healing wounds in mice.

TrichovitalsTM improved skin, hair, and nail health in adults after 12 weeks.

A molecule called α-ketobutyrate was found to extend lifespan and improve aging-related symptoms in worms and mice by activating certain cellular pathways and may help develop anti-aging treatments for humans.

The article suggests that hair transplant surgery may not be purely cosmetic because it treats a disease and calls for clearer guidelines on its classification.

Certain small molecules that trigger cell cleanup processes can promote hair growth.

Some nutrients and antioxidants may improve skin and hair health, but more research is needed to confirm these benefits.