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Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.

A dark-haired Chinese girl had hair that looked banded under certain light but was normal under a microscope.

The hair's outermost surface has multiple layers of lipids and proteins.

The 12-point scale is better for evaluating small changes in hair condition after using hair care products.

Involucrin helps strengthen the inner parts of human hair.

Keratinized wool cells still have some organelles like lysosomes and mitochondria.

Healthy scalp leads to better hair quality and less damage.

Gray hair has more continuous medullation and a higher medullary diameter than black hair.

A 6-year-old girl's inability to grow her hair long was due to Loose Anagen Hair Syndrome, which causes hair to shed easily and may improve with age.

Glycyrrhizic acid from sweet licorice can effectively remove hair without skin irritation.

X-ray microscopy can non-invasively show hair structure changes after treatments, but it's less detailed than TEM and needs improvement.

Polyamines are abundant in certain parts of rat hair follicles and may play a key role in hair growth.

A small molecule can strengthen fine hair, making it more resistant and natural-feeling.

The study found unique microscopic features for hair or feather in five animal ingredients in Shenrongbian pill.

Conditioners with PQ-10 soften the flat part of hair cuticles but harden the edges.

Microfluorometry effectively measures how much polymer coats and penetrates hair, useful for evaluating hair products.

MSC exosome therapy improved hair quality in patients with acquired trichorrhexis nodosa.

Using natural polyphenol cross-linkers like tannic acid and green tea extract in perm treatments improves curling and protects hair.

Loose anagen syndrome causes easy hair shedding in children, often resolving on its own.

The document concludes that Loose Anagen Hair Syndrome is a benign condition where hair is thin and easily pulled out, often improving with age.

The cornified cell envelope forms a protective barrier in skin and hair, using specific proteins and lipids to maintain effectiveness.

Rare changes in the KRT82 gene are linked to a higher risk of Alopecia Areata.

A mutation in the KRT82 gene is significantly associated with Alopecia Areata.

Chemical treatments change hair surface properties, making it more hydrophilic and able to bind conditioners.

Pseudofolliculitis barbae is a chronic skin condition affecting mainly African American and Hispanic individuals, caused by shaving tightly curled hair, and managed by prevention and treatment but not curable.

Human hair is complex and grows in cycles starting from embryonic life.

Microscopic hair features can identify different Cauda Cervi species.

Wool fiber curliness is linked to the presence of certain proteins and K38.

Prussian Blue causes hair cuticles to detach, weakening the hair.

Researchers mapped and categorized specific keratin-associated protein genes on human chromosome 21q22.1.