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After chemotherapy for early breast cancer, 33.4% of patients had long-term significant hair loss, with some hair regrowth over time, but treatments for hair loss were largely ineffective.

Rosehip extract improves hair treatment and waving efficiency with cysteine but not with thioglycolate.

Mercaptans make hair more prone to damage, with reduced hair being more affected than permed hair.

Curved human hair has different structures on each side, which might cause its shape and is similar to wool.

Culturing hair follicles at the air-liquid interface with minoxidil significantly boosts hair growth and preserves the root sheath.

Careful light microscopy is crucial for detecting mild cases of pili annulati, which weakens hair and varies widely in expression.

Some drugs can cause hair loss and skin issues.

Bleaching hair causes severe structural and chemical damage, including protein loss and oxidation.

Microsporum gypseum fungus breaks down keratin in hair by digesting it enzymatically, starting with less keratinized parts.

Hair is hard to dissolve because of its complex proteins, but certain solvents that break specific bonds and hydrate can do it.

Zinc therapy improved hair health in a girl with acrodermatitis enteropathica.

The hair disorder was caused by abnormal protein formation, making hair easily damaged.

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

Sunlight exposure ages hair, making it brittle, stiff, and dry.

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.

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

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

Hair amino acid levels can indicate metabolic disorders.

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.

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.

Swimming in pools with high copper can turn hair green, especially if hair is damaged.

Iodine is absorbed by hair just below the skin surface.