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Barn owls with smaller black spots have higher testosterone levels, which might be due to genetic effects on hormone regulation rather than hormone effects on coloration.

The study found that giant pandas have more melanin in black hair follicles than white, with gene expression differences that could affect hair color and skin health.

Hair coloring and bleaching can permanently break down hair protein and temporarily change its properties.

The document concludes that while white skin, nail, and mucosa diseases increase skin cancer risk, they are generally harmless, especially compared to darker pigmentation conditions.

Swimming in Lake Malawi can lead to schistosomiasis, hepatitis B vaccine might cause temporary hair loss, and certain drinks affect kidney stone risk.

Frontal fibrosing alopecia mainly affects postmenopausal women and may be linked to thyroid hormones.

Underutilized seeds like jackfruit, Indian almond, and tamarind have valuable nutrients and compounds that can be used sustainably in various industries.

The shampoo effectively covers gray hair gradually and maintains color after multiple washes.

Polyherbal hair dye cream is safe, effective, and eco-friendly, offering better color and no side effects.

Polyherbal hair dye creams are safer, effective, eco-friendly, and economical alternatives to synthetic dyes.

Ratanjot root oil helps hair grow and conditions and colors it naturally.

Estrogen helps keep skin healthy and may make women look younger and more attractive.

Artificially inducing hair regrowth in mice can change the normal pattern and timing of hair growth, with minimal color differences between old and new fur.

Oral zinc sulphate reduces dark hair color in mice.

Yellow and orange colors are important for diagnosing certain skin conditions.

SLC45A2 and GPNMB genes help control chicken feather color by promoting melanin.

Hair changes can indicate systemic diseases or medication effects.

Melatonin may inhibit melanoma growth and has potential as a cancer therapy aid, but its effects on human skin pigmentation need more research.

Swiss Holstein cattle with curly, short hair carry genes from the Simmental breed.

Melamax® protects skin from UV damage and reduces inflammation and oxidative stress.

Polarized microscopy helps identify hair irregularities in genetic disorders.

The 1891 epidemic skin disease was likely caused by arsenic poisoning, possibly from beer or fish.

Plant extracts from dry flowers can be used as safe, effective dyes in cosmetics, offering skin protection and anti-aging benefits.

Translucent keratin films are better for testing hair dyes.

Delipidised wool is brighter, dyes better, and is more eco-friendly.

Using chelants in hair dye reduces fiber damage by preventing harmful radicals.

Natural plant-based substances can be used as effective hair dyes.

Certain ingredients can help protect hair color.

A new hair dye method uses polyphenols and oxidation to create a long-lasting brown color on gray hair.

Use pure Ayurvedic oils instead of commercial ones for healthier hair.