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Telogen Effluvium is a condition causing excessive hair loss due to stress, illness, drugs, or hormonal changes, and can be treated with specific products or naturally resolves after 3-4 years.

Damaged hair follicles make mice more prone to skin inflammation and skin cancer after UV exposure.

Researchers developed a new model for more realistic computer graphics rendering of hair by considering how light scatters on hair fibers.

Keratin hydrogels from human hair show promise for tissue engineering and regenerative medicine.

A genetic mutation in the LIPH gene causes tightly curled hair that stops growing in some Japanese individuals.

The study found that the Marangoni effect causes the uneven wetting of surfactant-coated hair due to the surfactant moving into the water.

Hair properties change under electromagnetic fields and are influenced by individual characteristics and the environment.

Over 40% of postmenopausal women experience hair loss, with treatments aiming to stop further loss and possibly thicken hair.

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

The conclusion is that different types of hair loss in dogs and cats can be cosmetic or serious, and affected animals should not be bred.

Relaxer treatments damage African–American hair, with commercial products causing more harm than lab-made solutions.

Heavy metals in personal care products can cause serious health issues like cancer and hair loss.

The document concludes that hair restoration has improved with follicular unit transplantation, making it more scientific and precise.

Hair sunscreens are important for maintaining hair's cosmetic value.

Over half of the children had abnormal hair under a microscope, with many having genetic hair conditions.

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

The serum is safe and helps treat premature greying of hair.

Juglone from walnut extracts may help repair damaged hair.

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

Treatments improved hair surface and scale structure but didn't increase certain bonds in the hair cortex.

Human hair keratin fibers have a detailed nano-scale structure that changes with different conditions.

Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.

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

Melanin density affects hair color, and this method can help in cosmetic assessments and diagnosing hair diseases.

Hairless mice lack fur due to a genetic mutation affecting skin response, not hormone issues.

Red pigmented rice, like Sang-Yod rice, could help promote hair growth and prevent hair loss.

Loose Anagen Hair Syndrome is a hereditary condition causing hair loss in children due to abnormal hair follicles.

Animals that change color with the seasons mainly do so in response to daylight changes, but climate change is causing camouflage problems that may require evolutionary changes.

The document concludes that there are various causes and treatments for hair loss, with hair transplantation being a notable option.

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