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Oxidation changes human hair by breaking down fats and forming new acidic groups, affecting how it interacts with conditioners and cosmetics.

Dye enters hair at the edges of cuticle cells and penetrates more from water than alcohol-based solutions.

Chemical treatments change hair surface properties, making it more hydrophilic and able to bind conditioners.

Relaxer treatments damage African–American hair, with commercial products causing more harm than lab-made solutions.

Keratin films from human hair can potentially replace human nail plates for drug testing.

Using CDK inhibitors on rats showed a reduction in chemotherapy-caused hair loss, but later experiments could not repeat these results.

Scientists have created a method to deliver specific cells that can regenerate hair follicles, potentially offering a new treatment for hair loss.

Adult stem cells with Tp63 can form hair and skin cells when placed in new skin, showing they have hidden abilities for skin repair.

Cellulose nanocrystals are promising for making effective, sustainable sensors for various uses.

Wnt signaling controls whether hair follicle stem cells stay inactive or regenerate hair.

BLIMP1 is essential for skin maintenance but not for defining sebaceous gland progenitors.

Nanoencapsulation creates adjustable cell clusters for hair growth.

Researchers created a 3D hydrogel that mimics human hair follicles, which may help with hair loss treatments.

Deer antler velvet serum helps hair grow and is safe for skin.

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

miR-22, a type of microRNA, controls hair growth and its overproduction can cause hair loss, while its absence can speed up hair growth.

Super-enhancers controlled by pioneer factors like SOX9 are crucial for stem cell adaptability and identity.

Hyaluronate fragments can help reverse skin thinning by working with the CD44 receptor.

Stress hormone corticosterone blocks a growth factor to slow down hair stem cell activity and hair growth.

Microneedles are effective for painless drug delivery and promoting wound healing and tissue regeneration.

Massage increases how deep both rigid and flexible liposomes can go into skin, with flexible ones going deeper, and covering the skin (occlusion) helps rigid ones more.

Chemical treatments and light exposure damage hair proteins.

Scientists found ways to identify and collect skin stem cells, which vary by skin area and are delicate.

CD4+ skin cells may be precursors to basal cell carcinoma.

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

A new version of minoxidil, a hair loss treatment, was made using nanotechnology. This version, called minoxidil cubosomes, works better and causes fewer skin reactions than the old version. It also penetrates and stays in the skin better, promoting hair regrowth. It's safe and could be a good alternative to current treatments.

New biomaterial treatments for baldness show promise, with options depending on patient needs.

Researchers successfully isolated and identified key markers of stem cell-enriched human hair follicle bulge cells.

A new microneedle patch made from hair proteins helps regrow hair faster and better than current treatments.

Certain types of mucopolysaccharidoses cause significant hair abnormalities.