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Hair treatments like bleaching increase friction by exposing tiny pores on the hair surface.

Adding amber particles to polyamide fibers makes them suitable for medical textiles like compression socks.

Melatonin may benefit skin health and could be a promising treatment in dermatology.

The silk fibroin-based hydrogel shows promise for treating melanoma and healing infected wounds by killing tumor cells and bacteria, and supporting skin recovery.

Changes in keratin make hair follicles stiffer.

Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.

Bleaching and combing damage hair's surface and mechanical properties.

Surface and internal treatments can help prevent hair lipid loss during washing.

Scientists created tiny particles loaded with a hair growth drug, minoxidil, that specifically target hair follicles and skin cells to potentially improve hair growth.

Melanin density affects hair color, and this method can help in cosmetic assessments and diagnosing hair diseases.

Etifoxine, an anxiety drug, can lessen brain inflammation and cognitive issues in mice, partly by increasing production of protective brain steroids.

Hair stiffness is higher when it has more para-like cortical cells.

A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.

Understanding hair surface properties is key for effective hair care products.

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

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

Melatonin protects skin and hair from damage and stress by acting as an antioxidant and influencing cell growth.

Melatonin affects many body functions beyond sleep by interacting with specific receptors in various tissues.

Human skin can make serotonin and melatonin, which help protect and maintain it.

Niosomes are a promising, stable, and cost-effective drug delivery system with potential for improved targeting and safety.

Melatonin in the skin helps protect against damage from stress and UV rays, and could be used to treat certain skin conditions.

Biomaterials with MSC-derived substances could improve tissue repair and have advantages over direct cell therapy.

Lecithin organogels could be good for applying drugs to the skin because they are stable, safe, and can improve drug absorption.

Jumonji genes are important for development and their mutations can cause abnormalities, especially in the heart and brain.

Stem cell niches support, regulate, and coordinate stem cell functions.

Melatonin helps regulate hair growth and protects the hair follicle from stress.

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

The document concludes that accurate diagnosis of hair disorders is crucial and requires a range of diagnostic methods.

Nanoparticles can enter the skin, potentially causing toxicity, especially in damaged skin.

A position effect on the TRPS1 gene causes excessive hair growth in humans and mice.