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The document explains how shampoos clean, rinses condition, one-step shampoos offer convenience, and hair growth promoters aim to prevent hair loss, emphasizing the importance of scientific evidence for their effectiveness.

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

Hair graying is caused by the loss of pigment cells due to poor maintenance of stem cells in the hair follicle.

Hair keratin protein might help heal mouth wounds faster.

L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.

Vitamin D levels in hair don't match those in blood, so hair isn't a reliable indicator of Vitamin D status.

Researchers created a mouse with the same mutation as humans with trichothiodystrophy, showing similar symptoms and confirming the condition is due to defects in DNA repair and gene activity.

Experienced hair transplant surgeons suggest a limited number of hair follicles can be used for transplants, and recommend conservative methods to avoid scarring and depletion.

Photodynamic therapy can remove nonpigmented hair in mice and might work for humans.

SCF and c-Kit decrease in AGA hair follicles, possibly affecting hair pigmentation and growth.

Hair amino acid levels can indicate metabolic disorders.

New methods improve how we test hair growth treatments, but challenges like slow hair changes and high costs remain.

A systematic approach is crucial for managing hair loss in women.

Lower hair zinc and copper levels found in Turkish males with hair loss; higher BMI linked to less hair zinc.

The normal range for the hair pull test is 2 hairs or fewer, and washing or brushing hair before the test does not affect the results.

Black women's unique hair characteristics and styling practices can lead to specific scalp conditions, which require early diagnosis and appropriate treatment.

A new hair treatment with caffeine and other ingredients makes hair thicker and less likely to break.

New method measures female hair loss: Female Pattern Hair Loss Severity Index (FPHL-SI).

The document concludes that accurate diagnosis of hair loss in children is crucial due to limited treatment options and the condition's psychological impact.

Unwanted facial hair significantly impacts over 40% of women's psychological and social well-being, and various treatment options are available.

SV40 T antigen in hair follicles causes abnormal hair and health issues in mice.

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

Hair texture changes with age due to varying levels of lipids.

Hair microscopy is useful for diagnosing hair disorders, but clear definitions are needed for accurate genetic analysis.

Chemical hair straightening significantly reduces detectable drug levels in hair.

Polyquaternium 7® builds up on hair, improving its look and feel, and AFM is good for measuring these changes.

Older age and certain lifestyles are linked to thinner, weaker hair, while how you see your hair relates to its thickness.

Nanostructured lipid carriers can effectively repair hair split-ends for over 3 days.

Herbal extract shampoo increased certain minerals in hair and improved hair growth and scalp health.

Hair care products are important for appearance and self-esteem, and choosing the right ones can help maintain healthy hair.