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The document emphasizes the importance of correctly identifying and classifying genetic hair disorders to help diagnose related health conditions.

Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.

The cuticle significantly contributes to hair stiffness, making up about 60% of the total bending stress.

Eyelash curvature is linked to the thickness of the cuticle layer at the root.

UV light causes skin color loss in bald areas; wear a cap and use sunscreen.

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

Hair absorbs molecules differently based on their size, charge, and love for water, and less at higher pH; this can help make better hair products.

African hair has the most lipids, while Caucasian hair is more hydrated and stronger.

Different hair types from various ethnic groups affect hair shine due to characteristics like thickness and shape.

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

Hair diameter and curvature are mostly determined by genetics.

Plasma jet treatments can clean hair and might replace peroxide for hair care.

Heat transfer in hair is slower in groups of hair, increasing the risk of damage from high-temperature styling tools.

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.

Coconut oil makes hair stronger and more flexible than mineral oil.

Using both TGA and DTDG in hair straightening reduces hair damage compared to using TGA alone.

The document reports findings on genetic research, including ethical concerns about genome editing, improved diagnosis of mitochondrial mutations, solving inherited eye diseases, confirming gene roles in epilepsy, linking a gene to aneurysms, and identifying genes associated with age-related macular degeneration.

Washing permed hair after using thioglycolic acid helps reform strong bonds, making hair stronger.

Most adrenal cortex tumors are benign and non-secreting, but proper diagnosis and treatment are important due to the rare possibility of cancer.

Quantifying hair shape is better than using racial categories for understanding hair characteristics.

Avoid chemical and physical damage to protect hair.

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

16-MHA can restore the barrier and moisture of damaged hair, making it similar to undamaged hair.

Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.

A new system for classifying curly hair types using precise measurements can improve hair care products and cultural inclusion.

New methods to classify curly hair types were developed based on shape and strength.

Up to half of people experience itchy scalp, often due to skin conditions like seborrheic dermatitis or psoriasis, and treatments vary based on the specific cause.

The Leechbook shows how hair and sexual health were key to medieval masculinity and some remedies may still be useful.

Cosmetic procedures can harm hair, but damage can be minimized with knowledge and care; however, once hair is damaged, it cannot be reliably repaired.

Hair straightening changes hair structure and can cause damage if done wrong, but improvements in the methods are expected to continue.