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Sunlight damages hair, causing cuticle loss, protein changes, and discoloration.

African hair is more fragile due to its unique shape and internal structure.

Hair coloring increases copper and calcium uptake, damaging hair and reducing shine.

The study found that a polymer treatment changes the charge on hair surfaces, making bleached hair smoother and less porous.

Hair can be straightened using different chemicals, not just strong alkali.

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

Changing disulfide bonds in human hair affects its melting behavior and thermal stability.

Disulfide bonds affect the melting behavior of hair's crystalline structure, but hair retains some stability even after these bonds are broken.

The dietary supplement helped increase hair growth in women with hair loss.

Good nutrition is crucial for healthy hair and can help with hair loss without medication.

The document concludes that the trichogram is a useful tool for diagnosing hair loss and suggests semi-organ cultures for practical trichological research.

Topical minoxidil and dietary supplements improved hair regrowth in children with hair loss from chemotherapy.

Trichodynia is a painful scalp condition needing targeted treatments beyond symptom management.

The supplement improved hair density and overall hair beauty.

Many people with hair loss experience scalp pain known as trichodynia, but the causes are unclear and treatments vary.

Giving high-quality protein or methionine supplements helps improve hair growth in Angora goats and, to a lesser extent, in Cashmere goats.

A patient with Rothmund-Thomson syndrome showed skin changes, hair loss, and dental defects but no cataracts or skeletal issues.

Merino wool fibers change shape with moisture, while human hair shape stays the same.

Eating the right nutrients can improve hair health, but taking extra supplements usually doesn't help unless you have a deficiency.

Different ethnicities and treatments affect human hair strength and structure.

Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.

Different techniques measure hair properties to ensure cosmetic products work.

Eat a balanced diet for healthy hair; only use supplements if you have a proven nutrient deficiency.

Hair and nails are skin parts that develop early and serve protective and functional roles.

Washing can prevent cancer from lubricating oils, extreme body temperatures need more study, Sulfomid is not recognized, no reliable diphtheria carrier treatment except surgery, eyelid injuries should heal before repair, heterophile antibody test is specific for mononucleosis, chlorine inhalations for colds are outdated, and wheat germ is safe.

Dermatologists need to understand hair products to treat hair and scalp issues better.

Permanent waving weakens hair by altering its protein structure.

Different hair removal methods have pros and cons, and more evidence is needed to prove laser treatments work.

Hair treatments cause significant structural changes, especially with excessive heat, regardless of ethnicity.

Hair sunscreens are important for maintaining hair's cosmetic value.