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Human hair's ability to get wet is complex and can change with treatments, damage, and environment.

Melatonin implants and long daylight hours alter the timing of hormone release and hair growth in mouflon sheep.

A 3-month stay in space causes skin thinning, disrupts hair growth, and changes muscle-related genes in mice.

Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.

The article concludes that advancements in hair cosmetics require dermatologists to stay informed about products and their potential risks, including allergies and higher risks for hairdressers.

Changes in keratin make hair follicles stiffer.

Hair follicles are valuable for regenerative medicine and wound healing.

The 3D scaffold helped maintain hair cell traits and could improve hair loss treatments.

The experiment showed that human skin grown in the lab started to form early hair structures when special cell clusters were added.

Further research is needed to improve hair regeneration using stem cells and nanomaterials.

Castor oil-based polyurethanes are promising for making safe, strong-performing, eco-friendly hair-styling products.

Hair treatments cause significant structural changes, especially with excessive heat, regardless of ethnicity.

Dr. Michael Beehner recommends a personalized, careful approach to hairline design in hair replacement surgery for a natural look.

Colchicine can inhibit hair growth by affecting cell activity and protein expression in hair follicles.

Removing external lipids from hair reduces moisture and increases strength, while removing internal lipids decreases water permeability.

Hair care products don't cause hair loss if used correctly.

Aging scalp skin contributes to hair aging and loss, and more research is needed to develop better hair loss treatments.

Bleaching hair damages protein structure, especially keratin, leading to weakened hair.

Hair's strength and flexibility come from its protein structure and molecular interactions.

Certain cells outside the hair follicle's bulge area can quickly regenerate damaged hair follicles, potentially helping to reduce hair loss from cancer treatments.

Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.

A compound made by Pfizer can potentially stimulate hair growth and reduce oil production, making it a good candidate for topical use.

Successful surgical hair restoration requires careful planning, precise execution, and proper aftercare, using techniques like follicular unit transplantation and correct hair angling for best cosmetic results.

Heat damages hair, with Asian hair losing more protein than Caucasian hair.

Adipose tissue shows promise for hair regrowth, but more research is needed to confirm best practices and effectiveness.

Different tests are used to see how hair care products affect hair, and choosing the right test is important for accurate results.

Surgeons need to understand natural hair patterns for better hair restoration results.

Hair texture changes with age due to varying levels of lipids.

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

Hair microscopy is useful for diagnosing hair disorders, but clear definitions are needed for accurate genetic analysis.