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The research found a way to measure hair surface changes by analyzing how light reflects off of it, and determined hair cuticle angles vary by hair length and color.

Light scatters differently from elliptical hair fibers than from circular ones, and a new model better predicts this behavior, especially for shiny highlights.

FUE hair transplant is a promising method with benefits like less scarring, but requires a skilled surgeon and can damage hair follicles.

Longer time setting curls overnight leads to better curl retention.

Using minoxidil and tretinoin on the skin, along with oral vitamin D, improved hair thickness and density in two girls with woolly hair.

Inositol helped prevent and cure hair loss in rats.

Washing permed hair after using thioglycolic acid helps reform strong bonds, making hair stronger.

Dr. Parsa Mohebi created a new tool to improve hair transplant efficiency and reduce follicle damage.

Human hair can almost fully recover its structure within about 1,000 minutes after being stretched.

Hair loss gradually happens, and minoxidil helps regrow hair.

Hirsutism is excessive male-pattern hair growth in women, often treated cosmetically or with hormone therapy if contraception is also desired.

Curly hair's strength and flexibility vary with moisture and temperature.

The effectiveness of reducing agents on hair fibers depends on their electrode potentials.

Permanent wave treatment with thioglycolic acid changes hair structure by altering disulfide bonds.

Drugs localize differently in hair strands based on their properties.

Animal hair fibers like wool and mohair are strong when dry, but vicuna fibers are very brittle.

Certain sex hormones and antiandrogens can either slow down or speed up the growth of human hair follicle cells depending on their concentration.

Hair transplantation is a safe, outpatient procedure for restoring hair in individuals with pattern hair loss or certain types of scarring, requiring a trained physician and team, with ongoing medical treatment recommended.

Body hairs can be used in forensic science and toxicology like scalp hair.

Different PIN proteins affect plant root hair growth by changing how auxin is transported.

Hair and nails are skin parts that develop early and serve protective and functional roles.

The review concluded that keeping the hair-growing ability of human dermal papilla cells is key for hair development and growth.

Low ferritin levels can indicate iron deficiency as a cause of hair loss.

Male hormones are important for hair and oil gland development and can cause conditions like excessive hair growth and acne.

The paper concludes that for natural-looking hair restoration, it's important to create an irregular hairline, use appropriately sized and angled grafts, and ensure a snug fit between grafts and recipient sites.

The study concluded that three enzymes are important for plant development by affecting sugar composition and calcium binding in plants.

Hair Tonic A, with white tea extract, is better for improving hair health.

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

"Dutasteride 0.5 mg daily is the most effective treatment for male hair loss."

A protein called FERONIA helps control root hair growth in response to cold and low nitrogen by activating nutrient-sensing pathways in a plant called Arabidopsis.