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Conditioning agents, especially jojoba oil and lauryl PEG/PPG-18/18 methicone, protect and strengthen chemically straightened Afro-ethnic hair.

Hair is mostly made of three protein types: helical, high-sulfur, and high-tyrosine.

Prenatal diagnosis of trichothiodystrophy is possible in the second trimester using fetal eyebrow biopsy, with sulfur content analysis being more reliable.

A fatty acid/protein complex in human hair helps protect it from damage.

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.

Selenium-75 stays in dog hair for up to 316 days.

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

The girl had a rare disorder causing mental and physical symptoms, with weak hair and unclear neurological issues.

Nucleophilic reagents break down hair keratin, forming more lanthionine and lysinoalanine than in wool.

Rats fed soybean oil meal lost hair, but adding inositol, biotin, cystine, or methionine to their diet prevented this and improved growth.

Tiger tail banding and hair abnormalities are reliable indicators for diagnosing trichothiodystrophy.

Iodine is absorbed by hair just below the skin surface.

Plum blossom needle acupuncture with qi-invigorating therapy is more effective for Seborrheic Alopecia than Western medicine.

Metabolic disorders can cause hair structure defects and growth issues, but amino acid levels in hair remain normal.

Acupuncture is more effective than medication for treating alopecia areata.

The active ingredient improves the strength of damaged hair fibers.

L-arginine, hydrolysed keratin, and cystine-silanol copolymer can help protect hair from damage during and after bleaching.

Polymers help reduce damage and improve bleached hair when used during or after bleaching.

The supplement did not work better than a placebo for hair loss in women over 60.

UV-A radiation significantly damages semi-permanent dyed hair.

Hair relaxers are linked to reduced cystine levels and potential hair damage.

A 7-year-old girl was diagnosed with trichothiodystrophy due to low sulfur levels in her hair.

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

A 2-year-old boy was diagnosed with a rare genetic condition causing fragile hair, intellectual issues, and short stature.

Chemical treatments weaken hair's thermal stability and structure.

The combination of millet seed extract, L-cystine, and calcium pantothenate significantly improved hair growth in women with female pattern hair loss.

Hair treatments can damage hair by changing its chemical content.

ChuZhiShengFaPian and Licorzine Granules effectively treat early male hair loss.

KRTAP genes evolved early in mammals, leading to diverse hair traits.