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Curly hair is influenced by specific genetic variations.

A new method accurately classifies hair types, showing global hair diversity.

Curly hair shape is determined by the hair bulb.

New methods can better classify curly hair types and lead to improved hair care products.

The shampoo effectively defines and models curls while reducing frizz and volume.

African-American hair's curl pattern significantly affects its strength and elasticity.

Hair curvature in Japanese people is linked to specific cell types and filament arrangements in the hair cortex.

Longer time setting curls overnight leads to better curl retention.

Mechanical trauma like towel drying can cause knotted hair even in straight hair.

The document concludes that unruly hair can be congenital or acquired, often lacks specific treatments, and can be managed with oils and short hairstyles.

Curly hair breaks more easily, especially with chemical treatments, but simpler grooming reduces breakage.

Curved hair can develop when hair cells merge abnormally during growth.

Frizzy hair is fragile and can lead to hair loss and damage if not properly cared for.

Twisting hair weakens it, but strength can be recovered at low twist levels.

Two siblings have a rare genetic condition causing curly, coarse hair.

A girl's severely tangled hair couldn't be fixed and had to be cut due to a rare condition called plica neuropathica.

For best curls and hair health, use keratin and ceramide after rinsing, or skip rinsing for stable curls.

Hair curvature is the main factor affecting curly hair manageability and product preferences.

The research found that twisting hair fibers can show changes in stiffness and damage, and help tell apart different hair treatments.

Classifying curl patterns might help doctors assess and treat hair loss better.

Hair stiffness is higher when it has more para-like cortical cells.

Polisorbate 20 is not suitable for curl creams due to instability.

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

Curly wool has more orthocortex than straight wool.

Bubble hair deformity may be caused by hair shaft trauma and can improve with gentle hair care.

A gentler, less damaging method for curling hair using tyrosine works well initially but fades after washing.

Using a hot iron on wet hair can cause dry, brittle hair with air bubbles inside.