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Chemical treatments and daily stresses damage hair, especially the cuticle layer.

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

Shampoos have evolved into multifunctional products with patented innovations for different hair needs and can include medicinal herbs for hair and scalp health.

N793 may improve hair density in people with mild hair thinning.

Environmental, chemical, mechanical, and personal health factors can all damage hair and contribute to hair loss or changes in hair quality.

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

The document concludes that understanding hair's composition and the effects of treatments can lead to better hair care products.

Scientists developed a new method to deliver alopecia treatment directly to hair follicles, which could be a promising treatment for hair loss and other hair diseases.

Biofibre® hair implants are safe and effective for alopecia when proper procedures are followed, with high patient satisfaction.

Using a hair dryer at 15 cm with continuous motion causes less damage than natural drying.

Hair straightening methods have advanced to improve effectiveness and reduce damage, but still rely on heat and chemicals.

Understanding hair biology is key to developing better treatments for hair and scalp issues.

Henna dye improves hair cuticle and thickness but effects vary by hair type and health.

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

Neonate scalp hair is thinner, lacks a medulla, and has smaller follicles compared to adult hair.

Avoid high-tension styles and use professional treatments to reduce hair damage and health risks.

Permanent hair dyes use chemicals that react with hydrogen peroxide to create color.

Hair's resistance to wear varies by ethnicity and treatment, with less wear indicating stronger hair.

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

Plant-based ingredients in hair care are being replaced by synthetic alternatives.

Human hair keratins can self-assemble and support cell growth, useful for biomedical applications.

Future hair products will use ecofriendly proteins and peptides to improve hair health and appearance.

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Hydrolyzed wheat proteins penetrate all hair types effectively.

The enzymatic method can effectively identify chemical treatments on hair.

Chemical treatments on bleached black hair change its internal structure by breaking and reforming bonds, and treatments with hydrolyzed eggwhite protein help repair it.

Advances in genetics may lead to targeted treatments for hair disorders.

Hair cortisol is a reliable marker of long-term cortisol levels and is linked to daytime saliva cortisol but not morning levels.

Cosmetic treatments like bleaching and perming can greatly reduce opiate levels in hair, possibly leading to false-negative drug tests.

Bleaching hair causes significant damage by breaking down proteins and fatty acids.