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Hair properties are interconnected; a comprehensive, cross-disciplinary approach is essential for understanding hair behavior.

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

Human hair keratins can self-assemble and support cell growth, useful for biomedical applications.

New methods to classify curly hair types were developed based on shape and strength.

Genetic defects and UV radiation cause skin damage and aging.

Understanding how keratin structures in hair are arranged and interact is key for creating methods to extract and purify them.

Cosmetic procedures can harm hair, but damage can be minimized with knowledge and care; however, once hair is damaged, it cannot be reliably repaired.

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

Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.

Permanent hair dyes use chemicals that react with hydrogen peroxide to create color.

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

The research found that postmortem root bands in hair are likely caused by the breakdown of a specific part of the hair's inner structure after death.

Different ethnicities and treatments affect human hair strength and structure.

Hair damage increases significantly with higher temperatures and longer heating times.

Hair fibers have fractal patterns with properties related to the golden mean, which may affect their functionality.

The cuticle significantly contributes to hair stiffness, making up about 60% of the total bending stress.

Future hair cosmetics will be safer and more effective.

Nanoemulsions improve stability and delivery of active ingredients in cosmetics for skin and hair care.

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.

Hair dyes and perms can damage hair and scalp, but using interventions can reduce harm.

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

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

Hair problems can be caused by genetics or the environment, and treatment should focus on the cause and reducing hair damage.

Hair proteins have weak spots in their α-helical segments.

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

Hair health depends on various factors and hair loss can significantly affect a person's well-being; understanding hair biology is key for creating effective hair care treatments.

Keratin proteins are crucial for hair growth and structure.

Chemical hair straightening can damage hair and health, needing safer alternatives and stricter regulations.

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

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