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Hair from people with seborrheic dermatitis is thicker scaled, more damaged, and thinner than healthy hair, and atomic force microscopy can help monitor the condition.

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

Hair coloring increases copper and calcium uptake, damaging hair and reducing shine.

Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.

Hair care products mainly work on the hair's surface and need professional guidance for use.

The study found that thioglycolic acid breaks down hair bonds more consistently than l-cysteine, which is less damaging to hair.

Scientists found out how a specific protein in human hair cuticles behaves and is structured.

Human hair absorbs calcium and magnesium from tap water, affecting its structure and styling properties.

The enzymatic method can effectively identify chemical treatments on hair.

Pubic hair has a thicker, more protective outer layer than scalp hair, possibly due to evolution.

Microfibrils are key for permanent waves, and hydrolyzed keratin improves wave formation and hair condition.

Using natural polyphenol cross-linkers like tannic acid and green tea extract in perm treatments improves curling and protects hair.

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

Mackerel fermented fish oil protects skin cells from damage by UVB light.

Hair damage shows as fragility, dullness, and discoloration, varies by ethnicity, and is worsened by cosmetic procedures and diseases.

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

Sunlight and chemical treatments change hair's internal structure differently, needing specific care.

Explosions don't stop hair proteins from being used to identify people.

Permed hair degrades faster and shows more damage after protease treatment compared to untreated hair.

Chamomile extract can protect hair from damage caused by light.

16-MHA can restore the barrier and moisture of damaged hair, making it similar to undamaged hair.

18-MEA and SPDA can restore damaged hair's smoothness and reduce frizz.

Chemical treatments damage hair more than UV exposure, making it thinner and less flexible.

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.

Onion and Aloe vera can help protect hair from damage caused by hair dyes.

UV radiation and visible light can damage hair, but there are ways to protect it.

Environmental and cosmetic factors, including heat, chemicals, and sun exposure, can cause hair loss and damage.

Dermatologists should use hair relaxers carefully to avoid hair and scalp damage, following specific guidelines for application and maintenance.

The document concludes that while some hair and scalp disorders can be treated, hair loss from destroyed follicles is permanent, and damaged hair can only regrow naturally.

CMADK reduces hair damage from bleaching and permanent waving.