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Peroxide-rich plasma-activated water is gentler on hair than nitrate-rich formulations.

The model shows how heat damages hair, helping test hair care products.

The Brazilian candle flame technique can damage hair by melting the cuticle and exposing the cortex.

The treatment effectively repairs and strengthens damaged hair by restoring natural lipids.

Repeated hair dyeing significantly damages hair.

Hair straightening at pH 1.0 improves alignment but weakens hair more than pH 2.0.

The cuticle layer in hair follicles thickens during keratinization due to incomplete cytosol loss.

Polymethylene wax in hair relaxers makes hair smooth and shiny with less damage.

Wait at least 8 weeks between hair dyeing for cuticle recovery.

Human and bovine hair follicles have distinct cytokeratins specific to hair-forming cells.

Researchers developed a new model for more realistic computer graphics rendering of hair by considering how light scatters on hair fibers.

Human hair's strength and flexibility vary by ethnicity, damage, and treatment.

Notch pathway activation causes abnormal hair layer development.

Keratin gene regulation is similar across mammals, affecting hair follicle differentiation.

Researchers developed a new model for more realistic computer graphics of hair by considering how light scatters on hair fibers.

Papain and bisulfite break down human hair by dissolving parts of it.

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

Chemical hair straightening changes hair proteins and mostly fixes broken bonds.

Human hair's ability to get wet is complex and can change with treatments, damage, and environment.

Shampoo pH can affect hair health, with alkaline shampoos potentially causing damage and acidic shampoos reducing frizz.

Hair ages as the cuticle wears down, especially beyond 1 meter from the root, affecting its strength and shine.

mHa2 and mHa3 keratins have different structures and roles in mouse hair and tongue tissues.

Permanent waving weakens hair by altering its protein structure.

Infrared and Raman imaging can non-destructively analyze hair structure and help diagnose hair conditions.

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

The dye quickly penetrates hair follicles, mainly through the gap, not the surrounding skin.

Hair bleaching causes significant damage to hair and skin.

The research found two types of calcium in human hair, one that varies among individuals and another that is consistent across people.

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

Hair has unevenly distributed proteins and lipids, with lipids mainly in the cuticle and proteins in the cortex and medulla.