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As people age, their hair follicles produce less pigment, leading to gray and white hair, due to factors like reduced enzyme activity and damage to melanocyte DNA.

A unique skin cell similar to hair bulb melanocytes was identified, with better preservation using permanganate fixation.

Researchers found three types of melanocytes in developing mouse skin, each with different genes and locations.

Melatonin affects mouse skin and may regulate skin functions.

Hair can darken after inflammation and then return to its original color.

Vitamin B12 deficiency can cause skin and hair color changes, which can be reversed with treatment.

EdnrB signaling helps melanocyte stem cells regenerate and could be targeted to treat pigmentation issues.

Increasing SSAT makes skin more prone to cancer.

Sun exposure after laser hair removal can cause skin darkening, which is hard to treat and requires avoiding UV light.

Certain flavonoids can improve the growth of pigmented hair in mice.

Carvone helps treat skin issues by reducing melanin and stopping harmful cell growth.

Photodynamic therapy can potentially remove nonpigmented hair by damaging hair follicles.

Controlled light treatment in mouse skin speeds up healing and hair growth.

Melatonin can improve treatment and extend remission for certain skin conditions.

Melanocytes from human fetal hair follicles were successfully cultured, showing potential for hair disease research and clinical use.

Melatonin in a special emulsion can help treat hair loss more effectively.

Long-term Cape Aloe use causes harmless colon pigmentation that can help detect polyps.

A man had a rare pigmented nodule on his scalp that developed from birthmarks.

Imiquimod improved skin pigmentation in most patients with xeroderma pigmentosum and may prevent further skin cancer, but some treatments can have side effects.

Chemical treatments and light exposure damage hair proteins.

UV light causes skin color loss in bald areas; wear a cap and use sunscreen.

UV photography can help identify people at higher risk for skin cancer, and male pattern baldness at age 45 is linked to a higher risk of certain skin cancers.

Applying a specific inhibitor lightens skin and hair color.

The FTO gene hinders stem cells in hair follicles from becoming pigment cells.

Melatonin may help with atopic dermatitis by reducing inflammation and improving sleep.

The method could improve vitiligo treatment by effectively delivering therapy to hair follicles.