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A new scalp surgery technique leads to significantly thinner scars.

Using a CO₂ laser for hair transplants improves the surgery and may become important in future hair restoration.

PRP treatment may increase hair density and reduce hair loss, but more research is needed.

Platelet-rich plasma with a new carrier significantly increases hair thickness without serious side effects.

Spironolactone effectively reduces hair growth in women with hirsutism and is generally well-tolerated.

Zinc oxide nanoparticles in sunscreen do not penetrate deep into the skin.

Isolated patchy heterochromia with pili annulati can occur without other health issues.

Sox21 is crucial for tooth development and enamel formation by preventing cells from changing into a different type.

PlacMA hydrogels from human placenta are versatile and useful for cell culture and tissue engineering.

Yak belly hair has higher porosity and is less stiff than human hair, making it absorb dye better but less suitable as a direct substitute for hair dyeing.

The document suggests that the traditional understanding of hair growth cycles and alopecia may be inaccurate and that blood supply plays a significant role in hair growth and loss.

Hair is a complex organ, and understanding its detailed structure and growth phases is crucial for analyzing substances within it.

Laser hair removal works well for people with dark hair and light skin, but it's less effective for light hair or dark skin; improvements are expected.

Male gender and family history predict alopecia areata recurrence.

The hydrogel with silver and ibuprofen promotes wound healing and fights infection.

Accurate clinical, histological, and genetic methods are key for understanding and treating hair disorders.

Mechanical forces are crucial for shaping cells and forming tissues during development.

The STIM1 R304W mutation in mice leads to bone changes and teeth hair growth.

VDUP1 is found in skin and hair follicles, interacts with sciellin, and may help regulate skin cell differentiation.

Longer hair loss leads to more severe CCCA; early treatment and avoiding damaging hairstyles help regrowth.

Type 2 diabetes in youth is increasing, with high treatment failure rates and more severe than Type 1; certain drugs can lower lipid levels effectively with varying side effects, and apples may benefit heart health like statins but with fewer side effects.

Merino wool fibers change shape with moisture, while human hair shape stays the same.

Modified keratin binds better to hair, especially bleached hair.

Women with PCOS often have more body hair, acne, and skin darkening, and these signs are linked to metabolic issues like insulin resistance and high cholesterol.

Hair area varies with age and sex, but hair index and medullary index do not.

Signaling pathways are crucial for hair growth in goats.

The EDAR gene greatly affects hair thickness in Asian populations.

Eating a balanced diet with specific nutrients can help manage menopause symptoms and prevent related health issues.

Different ethnicities and treatments affect human hair strength and structure.

The document concludes that new methods improve the accuracy of diagnosing scalp alopecia and challenges the old way of classifying it.