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Innovative cosmetics could safely change hair color by targeting biological hair pigmentation processes.

The new method can tell how hair fibers react to moisture after treatments.

Severe allergic reactions to hair dye can trigger hair loss and may be linked to multiple sclerosis.

Bleaching hair doesn't affect the accuracy of dye identification using SERS.

Traditional Chinese medications can cause skin reactions, and better testing and reporting are needed to identify allergens.

Jute-batching oil alone didn't cause cancer in mice, but it may promote cancer when combined with another carcinogen.

Henna dye improves hair cuticle and thickness but effects vary by hair type and health.

The conclusion is that using bovine milk permeate to remove wool from sheepskins is eco-friendly and results in smoother, higher quality leather compared to traditional sulfide methods.

Hair dye can cause serious scalp issues, including skull erosion.

PEI diffuses into hair at a constant rate, and urea speeds up this process.

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

Toluene diisocyanate exposure can cause immune sensitization by interacting with proteins in hair follicles and sebaceous glands.

Hair product allergies are common, especially to hair dyes, and hairdressers are at higher risk.

The study found that a polymer treatment changes the charge on hair surfaces, making bleached hair smoother and less porous.

Internal lipids in keratin fibers, like wool and hair, reduce water absorption and release.

Henna is a safer, natural hair dye but needs more research and standardization.

Sheep hair follicle development and wool curvature are influenced by specific cell types and gene expressions.

More human hair protein makes the films weaker and less clear.

Shampoo D is best for fixing perm-damaged hair.

UV-A radiation significantly damages semi-permanent dyed hair.

A natural, eco-friendly treatment using casein and tannic acid strengthens hair by 21% while keeping it elastic.

Hair dye ingredient PPD can cause severe allergic reactions, including facial swelling.

Vimentin and transthyretin proteins are linked to black coat color in sheep.

Red dragon fruit peel extract can effectively dye gray hair black.

A standardized patch test for hair cosmetics is needed in Europe to prevent allergies, especially for hairdressers.

Ammonium bisulfite in hair bleach can cause facial eczema.

Straightening and coloring hair, especially with sodium hydroxide, greatly increases protein loss.

Hair can absorb and transfer opiates when soaked in water, with damaged hair absorbing more.