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Human hair varies widely and should be classified by curl type rather than race.

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

The document concludes that hair is complex, with a detailed growth cycle, structure, and clinical importance, affecting various scientific and medical fields.

Human hair keratin fibers have a detailed nano-scale structure that changes with different conditions.

Researchers developed a new method to clearly see and label hair proteins with minimal errors using advanced freezing and microscopy techniques.

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

Lipids are important for healthy hair, but their exact role is not fully understood and needs more research.

Researchers extracted tiny keratin filaments from human hair by unzipping its outer layer.

The skin is a complex barrier that protects the body, regulates temperature, and helps with immune responses.

Low-level laser therapy improves hair growth and dermal papilla cell function.

Outside factors like grooming, chemicals, and the environment can damage hair and cause disorders.

Genetic defects and UV radiation cause skin damage and aging.

Disulfide bonds are crucial for hair's strength, especially when wet.

Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.

Human hair keratins can form stable nanofiber networks that might help in tissue regeneration.

Older thin hair is not just thinner but also has different shape, structure, and stiffness.

The genes KRT25 and SP6 affect curly hair in horses, with KRT25 also causing hair loss. If both genes are mutated, the horse gets curly hair and hair loss. KRT25 can hide the effect of SP6.

K18® and Olaplex® both effectively repair bleached hair, improving its strength, smoothness, and overall health.

Biopolymers are increasingly used in cosmetics for their non-toxicity and skin benefits, with future biotech advancements likely to expand their applications.

Curly hair may be caused by a muscle contraction, and muscle relaxants might help treat it.

Keratin from hair and wool is used in medical materials for healing and drug delivery.

Human hair keratins K85 and K35 create unique filament patterns important for early hair formation.

Different techniques measure hair properties to ensure cosmetic products work.

Onion and Aloe vera can help protect hair from damage caused by hair dyes.

EVG staining is a valuable, simple, and cost-effective method for diagnosing various skin conditions in dermatopathology.

Keratin's mechanical properties are influenced by hydrogen bonds and secondary structure, and can be improved with the SPD-2 peptide.

Environmental and cosmetic factors, including heat, chemicals, and sun exposure, can cause hair loss and damage.

Human hair shows promise for non-invasive medical testing, but more research is needed to standardize its use.

Human hair's structure makes it tough and resistant to breaking.

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