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

Modified keratin binds better to hair, especially bleached hair.

Dye enters hair at the edges of cuticle cells and penetrates more from water than alcohol-based solutions.

Hair fibers interact through classical forces, which are influenced by treatments and products, important for hair care and other applications.

Human hair absorbs calcium and magnesium from tap water, affecting its structure and styling properties.

L-phenylalanine and hydrolyzed eggwhite protein deeply penetrate human hair.

Procyanidin oligomers can protect hair from oxidative damage and could be good for hair care products.

Treatments improved hair surface and scale structure but didn't increase certain bonds in the hair cortex.

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

Hair moisture behavior helps tell apart different chemical treatments and reveals insights into hair structure.

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

Hair increases in size when it absorbs water, and treatments like bleaching affect how much water it can take in.

Sunlight and chemical treatments change hair's internal structure differently, needing specific care.

The torsional method effectively evaluates hair damage and the performance of hair care ingredients.

Low-molecular weight hyaluronate can make damaged hair stronger.

Polyquaternium-70 shampoo is best for reducing frizz.

Hair-derived material is safe and effective for skin filling.

Hair treatments like bleaching increase friction by exposing tiny pores on the hair surface.

Hair bleaching causes significant damage to hair and skin.

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

Keratin-based particles safely improve hair strength, smoothness, and heat protection.

Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.

Polyquaternium 7® builds up on hair, improving its look and feel, and AFM is good for measuring these changes.

A new method using poly(ethylene imine) improves hair dyeing at lower temperatures with better color retention.

Permanent hair waving uses chemicals to create long-lasting curls.

Researchers developed a method to identify animal fibers in textiles, which works on processed and blended materials.

Different treatments change the strength and flexibility of human hair.

Recombinant keratin K31 makes damaged hair thicker, stronger, and straighter.

Atomic Force Microscopy is a more accurate way to assess hair damage and the effect of cosmetic treatments.

A woman got severe scalp burns from a salon's improper hair bleaching treatment.