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Botanical extracts can protect and repair bleached hair.

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

Hydrolyzed wheat proteins penetrate all hair types effectively.

Keratin film can effectively replace human hair for testing hair damage.

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

Some new treatments for children's skin conditions are effective, but risks must be weighed.

Perming and bleaching damage hair differently, with bleached hair having more cysteic acid in the cuticle.

Lipids are crucial for healthy hair, protecting it from damage and breakage.

Water-soluble wool keratin can protect human hair from damage during treatments.

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

Hair breaks differently when wet or dry and is affected by its condition and treatments like perms and bleaching.

Chemical treatments can change the scale heights of wool and cashmere fibers, affecting their identification.

Amino acids in conditioners improve hair strength, hydration, and color retention.

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 fibers may have a unique, non-protein sheath not previously identified.

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

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

The enzymatic method can effectively identify chemical treatments on hair.

Keratin film can effectively mimic human hair for testing hair damage.

X-ray microscopy can non-invasively show hair structure changes after treatments, but it's less detailed than TEM and needs improvement.

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

Surfactants in shampoos and conditioners remove some but not all lipids from hair, and more research is needed to understand their full impact.

Brushing causes more long hair breaks than combing, especially with bleached or wet hair.

Sodium hypochlorite can effectively prevent and remove Staphylococcus aureus biofilms in atopic dermatitis at high enough concentrations.

Proper hair care and safe use of hair products are crucial for those with hair loss.

Cosmetic treatments after chlorination damage hair more than treatments before.

Bleaching hair increases pore size and changes pore structure.

Natural compounds can lighten skin by reducing melanin.

Metabolomics can identify hair damage markers, but its use in creating treatments is uncertain.