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

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

Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.

Zinc oxide nanoparticles in sunscreen do not penetrate deep into the skin.

Climate-related nutritional stress may cause hair loss in juvenile male Guadalupe fur seals.

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.

Juglone from walnut extracts may help repair damaged hair.

Different combinations of human hair keratins affect how hair fibers form.

Permanent waving weakens hair by altering its protein structure.

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

Different populations have distinct hair structures related to their ancestry.

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

Different techniques measure hair properties to ensure cosmetic products work.

A new system for classifying curly hair types using precise measurements can improve hair care products and cultural inclusion.

Dynamic, light touch is sensed through a common mechanism involving Piezo2 channels in sensory axons.

Silver nanoparticles coated with substances like PEG showed strong antibacterial effects and improved wound healing when used in hydrogels.

Fetal hair follicles have melanocytes with melanosomes at different stages, which are broken down into pigment particles in keratinocytes.

Grape seed oil improved hair quality the most, followed by rosehip and safflower seed oils, and reduced damage from shampoo.

Hair can't be reliably repaired once damaged; prevention and proper product use are key to maintaining hair health.

Osthole inhibits the TRPV3 channel by binding to specific sites, potentially aiding drug development for skin diseases and cancers.

Minoxidil can be effectively encapsulated in coated nanovesicles for potential drug delivery.

The method can identify minerals in hair from water, and using coconut oil or conditioner can prevent mineral buildup.

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

The study found that a polymer treatment changes the charge on hair surfaces, making bleached hair smoother and less porous.

Researchers created a new light source that improves chemical imaging by removing background noise.

The method safely and efficiently delivers genes to the skin but may not work for conditions needing high levels of gene products.

In 2017, a new method was created to efficiently produce a topical antiandrogen, a compound used to treat excess sebum and acne, with a high yield and purity.

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

Explosions don't stop hair proteins from being used to identify people.

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