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Scientists discovered a unique hair protein, KAP24.1, with a special structure, found only in the upper part of hair cuticles.

Hair analysis for drugs needs a better understanding of how drugs enter hair, considering factors like hair structure and pigmentation.

Permanent hair dye damages hair but it mostly recovers after 8 weeks; using certain hair care products can help repair it.

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

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

TGase 3 helps build hair structure by forming strong bonds between proteins.

The lipid in human hair follicles acts as a barrier, similar to the skin's lipid layer.

Pollution exposure speeds up hair damage.

Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.

The G60S Connexin43 mutation causes hair growth issues and poor hair quality in mice, similar to human ODDD patients.

The cell membrane complex in mammalian hair has three distinct types with different structures and chemical properties.

The hair's outermost surface has multiple layers of lipids and proteins.

Hair's internal fibers are arranged in a pattern that doesn't let much water in, and treatments like oils and heat change how much water hair can absorb.

Chemical hair straightening improves smoothness and shine but may cause side effects, suggesting a need for safer methods.

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.

A small molecule can strengthen fine hair, making it more resistant and natural-feeling.

The study found unique microscopic features for hair or feather in five animal ingredients in Shenrongbian pill.

Conditioners with PQ-10 soften the flat part of hair cuticles but harden the edges.

Microfluorometry effectively measures how much polymer coats and penetrates hair, useful for evaluating hair products.

Coconut oil helps protect and improve damaged hair.

Hair styling products can damage hair over time.

Aging significantly affects the hair and scalp of nonbalding Caucasian women, with changes that differ from male pattern baldness.

Ceramide-based essence cream improves damaged hair.

Hair care products used for 4 weeks made hair smoother.

Using natural polyphenol cross-linkers like tannic acid and green tea extract in perm treatments improves curling and protects hair.

Growing hair follicles have high mitochondrial activity and ROS in specific regions, aiding hair formation.

Different populations have distinct hair structures related to their ancestry.

Hair's strength and flexibility come from its protein structure and molecular interactions.

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