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Men's hair loss is caused by hormones and genes, and can be treated with medication and surgery, while graying is due to aging and has no prevention except dyeing.

Patient-derived melanocytes can potentially treat vitiligo by restoring skin pigmentation.

Hair dye colors mainly target melanin granules in black hair.

Some drugs can cause skin and hair color changes, often reversible when the drug is stopped.

Ruby laser hair removal significantly reduces hair density.

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

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

The new cream with N-acetyl glucosamine didn't change skin color after 8 weeks.

Deer antler velvet serum helps hair grow and is safe for skin.

Low ERCC3 gene activity is linked to non-pigmented hair growth.

The document concludes that periocular hair disorders have various causes and treatments, and proper evaluation by specialists is important for management and prognosis.

Rice bran extract and low-frequency electromagnetic fields together may help treat vitiligo and white hair.

Long-pulsed ruby lasers effectively reduce hair for up to 2 years with minimal pain.

Phaeodactylum tricornutum extract helps hair follicle cells grow by activating the ERK1/2 pathway.

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

3D imaging of skin biopsies offers better accuracy but is time-consuming and can't clear melanin.

The document concludes that the skin is a complex organ providing protection, sensation, and healing, with challenges in treating conditions like itchiness.

Rhamnose may help hair growth and pigmentation, making it a potential treatment for hair loss.

KAP-depleted hair causes less immune response and is more biocompatible for implants.

Dermatologists should customize cosmetic treatments for dark-skinned patients to minimize risks and complications.

Silk sericin dressing with collagen heals wounds faster and improves scar quality better than Bactigras.

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

Lasers are FDA-approved for permanent hair reduction, not removal, and more research is needed to improve treatments.

Neonate scalp hair is thinner, lacks a medulla, and has smaller follicles compared to adult hair.

Lasers and light treatments are now the most common ways to remove hair.

Some chemicals can permanently or temporarily remove color from skin and hair, which can be distressing and is not well-regulated in cosmetics.

The document explains hair biology, the causes of hair loss, and reviews various hair loss treatments.

Laser and light treatments can effectively remove hair long-term.

Hair greying is linked to reduced ATM protein in hair cells, which protects against stress and damage.

Bimatoprost is a safe and effective treatment for making eyelashes longer, thicker, and darker.