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

Gene regulation could revolutionize hair color by altering pigmentation from within.

Nutrients like vitamins, copper, zinc, and amino acids are crucial for healthy hair and wool growth.

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

Hair color is influenced by genetics and can indicate certain health conditions.

Gray hair regained color after thyroid hormone treatment.

The document concludes that patients with skin of color need specialized dermatological care and education to manage unique skin conditions effectively.

Topical treatments can deliver active molecules to skin stem cells, potentially helping treat skin and hair disorders, including skin cancers and hair loss.

Skin stem cells can help improve skin repair and regeneration.

Double-stranded RNA helps regenerate hair follicles by increasing retinoic acid production and signaling.

Heated radish extract may help lighten skin and reduce aging signs.

Hair becomes gray and thin as we age, and while most hair loss in older people is due to genetics, there's a chance for gray hair to regain color under certain conditions.

Hair microscopy is a simple and cost-effective method to help diagnose systemic diseases in children.

The new "whisker follicle microinjection assay" can test how different biomolecules affect hair growth and color.

Estrogens and progesterone are key in regulating melasma pigmentation.

Lasers and intense pulsed light can safely and effectively remove hair by targeting hair follicles.

Melatonin affects skin and hair color and protects skin cells, with potential benefits for hair growth and skin health.

Activating the Sonic hedgehog gene in mice can start the hair growth phase.

Treating melasma in men is difficult, especially for the deeper skin layers, and may need more than just topical treatments.

Antiyeast treatments work better for seborrheic dermatitis than steroids, and other findings include increased skin bacteria under plastic wrap, a nasal cell defect in Staphylococcus aureus carriers, quick resolution of certain skin reactions, high rubber latex allergy in spina bifida patients, and glyceryl monopentadecanoate's effectiveness for male hair loss.

Postinflammatory hyperpigmentation causes dark skin patches and needs personalized treatment.

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.

Both immature and mature fat cells are important for hair growth cycles, with immature cells promoting growth and mature cells possibly inhibiting it.

The study found that long-term sun exposure does not significantly affect follicular plugs on the scalp, and the scalp's appearance is unique compared to other body parts.

Environmental and cosmetic factors, including heat, chemicals, and sun exposure, can cause hair loss and damage.

Heavy metals in personal care products can cause serious health issues like cancer and hair loss.

Understanding skin structure and development helps diagnose and treat skin disorders.

The document concludes that alopecia has significant social and psychological effects, leading to a market for hair loss treatments.

Future hair loss treatments should aim to extend hair growth, reactivate resting follicles, reverse shrinkage, and possibly create new follicles, with gene therapy showing promise.

Visible light can damage skin and most sunscreens don't block it well; more research is needed on its effects and protection methods.