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Forensic hair analysis for drugs is now more reliable and accurate.

Hair straightening changes hair structure and can cause damage if done wrong, but improvements in the methods are expected to continue.

Aging causes hair to gray and thin, with the timing of graying varying by race, and factors like oxidative stress and genetics can lead to hair loss.

Hair follicles can be used to quickly assess drug effects in cancer treatment.

Environmental, chemical, mechanical, and personal health factors can all damage hair and contribute to hair loss or changes in hair quality.

Hair straightening methods have advanced to improve effectiveness and reduce damage, but still rely on heat and chemicals.

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

A hair transplant using hair from the back of the head and pubic area was successful in creating a feminine hairline for a male-to-female transgender person.

Dermal stem cells help regenerate hair follicles and heal skin wounds.

Chemokine signaling is important for hair development.

Asian hair is generally straight and thick, with unique disorders and properties, and more research is needed to understand it fully.

Some congenital hair disorders improve in childhood or with treatments like minoxidil and retinoids, while others like Netherton syndrome and trichothiodystrophy have a poor prognosis.

Laser and light treatments can effectively remove hair long-term.

Copper and iron cause keratin damage in hair by converting methionine to homocysteine.

Adding human hair fibers and glass micro-spheres to epoxy improves its wear resistance and strength.

L-cysteine and ultrasound successfully improved rabbit hair fibers for industrial use.

KAP-depleted hair causes less immune response and is more biocompatible for implants.

Transplanted hair follicles show significant changes after FUE, needing more research.

Keratin hydrogels from human hair show promise for tissue engineering and regenerative medicine.

The document concludes that different types of hair loss have specific treatments, and early diagnosis is crucial for preventing permanent hair loss.

Male hormones cause different growth in identical human hair follicles due to their unique epigenetic characteristics.

Human head hair proteins can be typed into eight distinct patterns, useful for genetic and forensic investigations.

Keratin proteins are consistent across different hair types from the same person.

Avicennia marina extract and avicequinone C can potentially promote hair growth and treat hair loss by interfering with hair loss mechanisms and boosting growth factors.

Modified keratin binds better to hair, especially bleached hair.

Keratin-based particles safely improve hair strength, smoothness, and heat protection.

The 3D structure of a key hair protein was modeled, revealing specific helical structures and stabilization features.

New treatments for skin and hair disorders in women of color address unique biological differences and include specific acne medications, sunscreens, skin lighteners, and hair care adjustments.

Plasma jet treatments can clean hair and might replace peroxide for hair care.

UVB radiation changes the chemical makeup and dries out human hair but doesn't alter its appearance or texture.