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Hair growth and health are influenced by factors like age, environment, and nutrition, and are controlled by various molecular pathways. Red light can promote hair growth, and understanding these processes can help treat hair-related diseases.

The enzyme DHHC13 is essential for healthy hair and skin, and its deficiency leads to hair loss and skin problems.

Ethosomes improve black tea extract absorption in hair dye.

Non-coding RNAs are important for hair growth and could lead to new hair loss treatments, but more research is needed.

Surfactants in shampoos and conditioners remove some but not all lipids from hair, and more research is needed to understand their full impact.

Natural products and phytochemicals may help with hair regrowth, but more research is needed.

A specific genetic change in the KRT71 gene causes a hair loss condition in Hereford cattle.

Quercetin-loaded nanoparticles protect human hair from UV-B damage.

Different oils affect hair flexibility and strength, with their impact varying on whether hair is virgin or bleached.

Silibinin-loaded micelles significantly protect hair from UV-B damage.

Genes related to calcium signaling and lipid metabolism are important for curly hair in Mangalitza pigs.

Hair dyes vary in how long they last and how deeply they penetrate hair.

Nanocarrier technology in cosmetics improves ingredient delivery and effectiveness while reducing side effects.

The conclusion is that understanding how hair follicle stem cells live or die is important for maintaining healthy tissue and repairing injuries, and could help treat hair loss, but there are still challenges to overcome.

Recombinant keratin K31 makes damaged hair thicker, stronger, and straighter.

Nanomaterials can improve hair care products and treatments, including hair loss and alopecia, by enhancing stability and safety, and allowing controlled release of compounds, but their safety in cosmetics needs more understanding.

The document concludes that it's important to recognize and treat hair loss in women of color, considering their unique hair characteristics and psychological impact.

The skin systems of jawed vertebrates evolved diverse appendages like hair and scales from a common structure over 420 million years ago.

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

Collagen from tilapia scales may improve hair and skin health by reducing stress and inflammation and encouraging hair growth.

Chemical hair straighteners can cause scalp and hair damage, but long-term effects are unclear.

Constant light exposure during pregnancy changes newborn rabbits' skin, affecting hair follicles, skin thickness, and pigment cells.

AP collagen peptides improve hair elasticity and gloss.

K18® and Olaplex® both effectively repair bleached hair, improving its strength, smoothness, and overall health.

Platycladus orientalis flavonoids protect balding hair from UV damage and slow hair color change.

Juglone from walnut extracts may help repair damaged hair.

The study mapped yak skin cells to understand hair growth better.

The new hair-dyeing shampoo is safe, colors hair evenly, and strengthens it.

Naringenin and Hesperetin may help hair grow and protect hair cells from damage.