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Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.

Researchers found markers that can tell if hair has been bleached, which could improve hair test accuracy.

Grape seed oil improved hair quality the most, followed by rosehip and safflower seed oils, and reduced damage from shampoo.

Caffeine applied to the scalp can protect hair follicles from UV damage.

Silicone pretreatment protects hair from damage and reduces color fading without interfering with bleaching or dyeing.

Bleaching hair damages protein structure, especially keratin, leading to weakened hair.

Human hair has a protective lipid layer that can be damaged by moisture and treatments, affecting hair growth and health.

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

Some alternative treatments for hair loss might work, but more research is needed.

A new compound, BOI, can help hair grow by changing hair cycle phases and increasing certain cell contents.

A new mutation in the KRT86 gene was found to cause the hair disorder monilethrix in a Han family.

Bleaching hair causes severe structural and chemical damage, including protein loss and oxidation.

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

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

Bleaching hair causes significant damage by breaking down proteins and fatty acids.

Oxidative stress damages hair and contributes to aging, and managing it can help maintain hair health.

Reducing copper (II) ion levels in hair can decrease hair damage.

Hair dye colors mainly target melanin granules in black hair.

Origanum vulgare leaf extract reduces liver and kidney damage caused by finasteride in mice.

Human hair strength and health are linked to sulfur compounds that can be reduced by stress but improved with sulfur supplements.

A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.

Excessive blue light harms eye cells and disrupts sleep patterns.

Hair conditioners with argan oil or camellia oil improve the strength and color of bleached hair.

AMPD is a better and less damaging alternative to ammonium hydroxide for hair bleaching.

Hair dyes can change hair color temporarily or permanently but may cause side effects like skin reactions and hair damage.

Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.

Hydrogen peroxide and monoethanolamine in hair dye can cause dermatitis and hair loss.

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

Chemical and physical treatments like bleaching, dyeing, and UV radiation damage both Caucasian and Afro-ethnic hair.

Melasma's causes include genetics, sun exposure, hormones, and oxidative stress, and understanding these can help create better treatments.