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Keratin injections can promote hair growth by affecting hair-forming cells and tissue development.

Electrical epilation damages hair follicles and surrounding skin, likely preventing hair regrowth.

SDF-1/CXCL12 and its receptor CXCR4 are crucial for melanocyte movement in mouse hair follicles.

Edar signaling is crucial for controlling hair growth and regression.

Ruby laser hair removal significantly reduces hair density.

The long-pulsed alexandrite laser is effective for hair reduction, particularly for light-skinned individuals with dark hair, but caution is needed for darker skin.

Laser hair removal works well for people with dark hair and light skin, but it's less effective for light hair or dark skin; improvements are expected.

A low-power, fast laser safely reduces hair with minimal pain and few side effects.

Intense pulsed light (IPL) is an efficient and safe method for hair removal, reducing hair by about 80%.

Laser hair removal is the most requested cosmetic procedure and has become a scientifically-based treatment suitable for all skin types.

The nanoparticles improved hair growth and enlarged hair bulbs.

Higher light doses cause more damage to hair follicles, predicting better hair removal results.

The document concludes that individualized treatments for hair issues are effective, certain hair changes can indicate neurocutaneous diseases, specific lotions improve skin health, laser hair removal works but needs more study on long-term effects, men's cosmetics are diverse, peeling is effective but can have side effects, and facial pigmentation is often due to overactive skin cells.

Human hair follicles can regenerate after removal, but with low success rate.

Permanent hair removal is hard, but using longer laser pulses at lower power might improve results.

Hair follicle melanocytes die during hair regression.

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.

Some natural extracts and one hair tonic can promote hair growth in mice.

Activating TRPV3 stops human hair growth.

Prolactin affects hair growth cycles and can cause early hair follicle regression.

Hair greying is caused by oxidative stress damaging hair follicles and melanocytes.

Many elderly women experience unwanted facial hair and various hair loss conditions, with treatments available for each condition.

Home-use lasers and IPL devices are unlikely to directly cause paradoxical hair growth; it may be linked to inflammation or hormonal issues.

TGF-alpha is present in sheep and ferret skin and may affect hair growth without directly stimulating cell proliferation.

Splitting one hair follicle into two can help regrow hair with a 50% to 70% success rate, useful when donor hair is limited.

Gray hair may be caused by lower antioxidant activity in hair cells.

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.

Certain cells outside the hair follicle's bulge area can quickly regenerate damaged hair follicles, potentially helping to reduce hair loss from cancer treatments.

Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.

KF19418 promotes hair growth similarly to minoxidil but is not better in live mice.