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Different oils penetrate hair differently; monounsaturated oils like olive oil penetrate better than polyunsaturated oils.

Nutrafol® nutraceuticals improve hair thickness and strength.

Water and fatty acids affect hair's surface differently based on hair damage, and models can help understand hair-cosmetic interactions.

Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.

Researchers developed a new method to identify animal hair in textiles, which is effective for various fibers and more reliable than previous methods.

Annurca apple extract promotes hair growth by changing hair follicle metabolism to boost keratin production.

Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.

Larger spheroids improve hair growth, but size doesn't guarantee thicker hair.

Hair absorbs alkali bromide salts and water, affecting its structure, with absorption decreasing at higher temperatures.

Temporary ROS production in cultured human hair follicles promotes growth and stem cell activation.

Goat hair growth and follicle activity change with the seasons and differ between males and females.

Curly and straight hair differ in how their internal fibers are arranged.

Different techniques measure hair properties to ensure cosmetic products work.

Tooth papilla cells can help regenerate hair follicles and grow hair.

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

Artificial hair fibers help treat scalp scars with few complications and a 20% yearly fiber fall rate.

Using an enzyme and keratin treatment can significantly repair and strengthen damaged hair.

Minoxidil was the most effective treatment for hair regrowth in rats compared to Aminexil or Kerium.

Artificial hair fibers help treat scalp scars with few complications and a 20% yearly fiber fall rate.

Mushroom extracts can help with anti-aging, skin care, and hair loss in cosmetics.

Quercetin boosts hair follicle stem cell growth and survival in cashmere goats.

Adding human hair to clayey soil makes it stronger, even after freeze-thaw cycles, and is eco-friendly and cheap.

Natural products might help treat hair greying.

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

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

Marine-derived ingredients show potential for hair health but need more human trials to confirm effectiveness.

Poplar seed hair fibers could be an eco-friendly insulation for textiles.

Ozone reacts more with unwashed hair, producing compounds due to scalp oils, which could lower ozone exposure but increase exposure to reaction products.

The polyherbal hair oil promotes hair growth effectively and is safe for use.

A genetic change in the EDAR gene causes the unique hair traits found in East Asians.