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

Sunlight damages hair, causing cuticle loss, protein changes, and discoloration.

Alopecia can be reversed with timely steroid treatment in VKH and SO diseases.

Cosmetic treatments like bleaching and perming can greatly reduce opiate levels in hair, possibly leading to false-negative drug tests.

Sunlight worsens hair loss; protect scalp.

The conference reported improvements in muscle volume, skin cancer diagnosis, facial and vaginal rejuvenation, and hair growth using various laser treatments.

Nivolumab treatment led to hair regrowth in a man with metastatic melanoma and alopecia areata.

Ruby laser pulses best destroy hair follicles during the growth phase and effectiveness varies with laser intensity; melanin is key for targeting, and timing treatments can improve results.

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

Vitiligo causes white skin patches and is linked to autoimmune issues.

Treatments for melanin disorders exist, but more effective options needed.

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

Melanin absorbing light is necessary but not enough for effective hair removal by light treatment.

Melanocytes produce melanin; their defects cause vitiligo and hair graying, with treatments available for vitiligo.

Dermal factors are crucial in regulating melanin production in skin.

The review concludes that accurate diagnosis of different types of hair loss requires proper biopsy techniques and understanding the hair growth cycle and underlying causes.

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

The long-pulse alexandrite laser is good for removing hair and treating skin problems like spots and veins.

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.

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

Low fluence photoepilation temporarily removes hair by targeting the hair follicle's pigmented area without severe damage.

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

Lasers and light sources can effectively remove hair, work best on fair skin with dark hair, and usually need multiple treatments.

We don't fully understand how sunlight damages different types of hair.

UVB radiation harms hair growth and health, causing cell death and other changes in human hair follicles.

Using a gene therapy with the Sonic Hedgehog gene helps mice regrow hair faster after losing it from chemotherapy.

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

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

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

Chemical treatments and daily stresses damage hair, especially the cuticle layer.