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Researchers developed a less damaging way to extract red dyes from wool using EDTA and DMF, preserving the fiber's strength for further analysis.

Mechanical trauma like towel drying can cause knotted hair even in straight hair.

An 82-year-old man's white hair regained color after taking etretinate for psoriasis.

Translucent keratin films are better for testing hair dyes.

Using tretinoin and hydroquinone can speed up the fading of skin pigmentation.

Vitamin B supplements may reverse grey hair.

The modified staining method can determine the ABO blood group of hair samples accurately.

A new method isolated previously undetected hair proteins rich in glycine and tyrosine.

Different hair cleaning methods caused varying levels of damage to the hair's outer layer.

Fine hair on bovine leathers is hard to remove, lowering leather quality and value, but can be managed with specific processing methods.

Follicular vitiligo causes hair to gray without skin color loss.

Premature graying of hair is linked to vitamin D and B12 deficiencies, thyroid issues, iron imbalance, stress, and lifestyle habits, and affects quality of life.

The Brazilian candle flame technique can damage hair by melting the cuticle and exposing the cortex.

Chemical hair straightening significantly reduces detectable drug levels in hair.

A boy with monilethrix has brittle hair that breaks easily due to a genetic condition, which might improve by puberty.

Alopecic hair has more irregular structures and chemical changes than normal hair, reducing its strength.

Stress can cause sudden hair whitening in children, but it may reverse on its own.

Stress can cause sudden hair whitening in children, but it may reverse on its own.

Riboflavin with blue light speeds up hair dyeing, making it faster, safer, and long-lasting with less hair damage.

Coloring shampoos for gray hair may cause gene mutation, reproductive issues, and skin damage, needing stricter regulation and expert consultation.

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

Serum WS Biotin significantly reduces hair shedding and improves hair thickness.

Baldness is stigmatized as unattractive and is often mocked in media, affecting mostly Caucasian men.

White hair has less lipid content and absorbs water differently than brown hair.

Hair dyes vary in how long they last and how deeply they penetrate hair.

Amino acids in conditioners improve hair strength, hydration, and color retention.

Cationic and nonionic surfactants provide better color intensity and resistance for semi-permanent hair dye than anionic surfactants.

Henna orange powder, especially with alkali, protects and colors hair better than oxidizing colorants.