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Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.

Chemical treatments on bleached black hair change its internal structure by breaking and reforming bonds, and treatments with hydrolyzed eggwhite protein help repair it.

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

AFM can diagnose hair disorders by revealing detailed hair surface changes.

Hair can't be reliably repaired once damaged; prevention and proper product use are key to maintaining hair health.

The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.

The research shows that a gene called Wnt3 affects hair growth and structure, causing short hair and balding when overactive.

The document concludes that understanding hair structure is key to diagnosing hair abnormalities and recommends gentle hair care for management.

The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.

The gene Foxq1, controlled by Hoxc13, is crucial for hair follicle differentiation.

Keratin peptides can change hair shape gently without harsh chemicals.

Thioglycolate lotions are the most popular method for permanent waving and hair straightening.

Environmental and cosmetic factors, including heat, chemicals, and sun exposure, can cause hair loss and damage.

Outside factors like grooming, chemicals, and the environment can damage hair and cause disorders.

Human hair varies widely and should be classified by curl type rather than race.

Minoxidil can help thicken hair in some people with male pattern baldness, especially if used early and continuously.

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

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

Hair and wool strength is affected by the number and type of bonds in their protein structures, with hair having more protein aggregates than wool.

Calcium reduces involucrin in rat hair bulbs but doesn't affect filaggrin and Kdap.

CMADK reduces hair damage from bleaching and permanent waving.

Human hair's structure makes it tough and resistant to breaking.

The document concludes that various childhood hair and nail disorders exist, some may improve on their own, and advances in genetics and immunology could enhance treatment and counseling.

The model helps understand how wool fiber structure affects its strength and flexibility.

The document concludes that understanding hair follicle biology can lead to better hair loss treatments.

Most women with excess hair growth have an underlying hormonal issue, often treated with medication and hair removal methods.

New treatments targeting specific genes show promise for treating keratin disorders.

The conclusion is that recognizing hair growth cycles can improve the precision of dietary and health assessments from hair analysis.

Dermatoscopy is a useful tool for diagnosing hair disorders and can help choose samples for more detailed analysis.

Laser treatment can stimulate hair growth for male pattern hair loss.