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Melanin in black hair protects it from sun damage better than light-brown hair.

Hair color production is closely linked to the active growth phase of hair in mice and may also influence hair growth itself.

Hair greying is seen as a sign of aging; temporary fixes like hair dye are used, but a balanced diet and hair care can help manage it.

Black skin requires specific cosmetic practices, which can sometimes cause skin issues due to product misuse, and there's a need for better regulations in sub-Saharan Africa.

Effective pain relief methods for photoepilation include topical anesthetics, cooling devices, and skin stimulation.

Hair is a complex organ, and understanding its detailed structure and growth phases is crucial for analyzing substances within it.

Hair color is determined by melanin and can be affected by genetic conditions like albinism.

Chemotherapy reduces splenic melanin in mice.

Laser hair removal effectiveness depends on targeting hair structures without harming the skin, and improvements require more research and expert collaboration.

Laser hair removal might also work by damaging blood vessels around hair follicles.

Premature graying of hair is linked to an imbalance of body energies in Ayurveda and treatment varies based on the specific imbalance.

Human skin and hair color variation is mainly due to melanin produced by a few genes, with melanin protecting against sun damage.

Intense Pulsed Light treatments significantly improve signs of aging and sun damage on the skin.

Hair analysis can detect drug use but is costly and interpretation is complex.

The document concludes that understanding hair's composition and the effects of treatments can lead to better hair care products.

Applying a specific inhibitor lightens skin and hair color.

Rice bran extract boosts melanin production in hair follicles.

Poliosis circumscripta is a patch of white hair caused by lack of melanin, linked to genetic and acquired conditions.

Human hair color is influenced by complex biochemical processes involving enzymes and reactive oxygen species.

Hair with more melanin resists weather damage better.

Skin of color can spontaneously repigment after a phenol-croton oil chemical peel.

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

Injectable platelet-rich fibrin can safely and effectively treat melasma.

A3B5 can reduce skin pigmentation and slow melanoma growth.

Effective treatments for premature hair graying still require significant research.

Polydeoxyribonucleotide (PDRN) may help lighten skin and treat hyperpigmentation.

Enhancing melanin's energy generation may help treat alopecia areata.

NOC-4 extract promotes black hair and hair growth effectively.

Cirsium japonicum flower extract increases melanin production and could help treat depigmentation conditions.

Hair repigmentation can indicate malignancy and should be investigated.