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South American camelids should be sheared early, fleece type affects fiber quality, and the S/P follicle ratio doesn't distinguish between Bolivian llama genotypes.

Researchers developed a method to grow hair follicle cells for transplantation using a special chip.

α-type filaments in guinea pig hair follicles have unique structural features.

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

Certain molecules in hair change with age and could be used for cosmetic treatments.

Hair and nails are similar keratin structures with different shapes and growth, affected by the same diseases and environmental factors.

Removing external lipids from hair reduces moisture and increases strength, while removing internal lipids decreases water permeability.

Hes1 protein is important for hair growth and regeneration, and could be a potential treatment for hair loss.

Aging makes hair thinner and rougher, with less clear edges.

Ruby laser hair removal significantly reduces hair density.

Hair shaft dysplasias are abnormal hair conditions that can be inherited or acquired and may signal other health issues, with limited treatment options available.

Inhibiting AP1 in mice skin causes structural changes and weakens the skin barrier.

The document concludes that over 500 genes are linked to hair disorders and this knowledge is important for creating new treatments.

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

The herbal cream was found to be a safe and effective alternative for hair growth, similar to minoxidil.

Hair color is determined by different melanins and changes with age.

Scalp biopsies from dermatomyositis patients show chronic hair loss without scarring, with mucin and blood vessel changes being very common.

Alopecia areata causes hair loss due to an immune attack on hair follicles, influenced by genetics and environment.

Electrostatic interactions mainly stabilize the binding of peptides to hair keratin.

Different tests are used to see how hair care products affect hair, and choosing the right test is important for accurate results.

Keratin's mechanical properties are influenced by hydrogen bonds and secondary structure, and can be improved with the SPD-2 peptide.

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

Chrysanthemum zawadskii extract helps hair grow by stimulating hair cells.

Loose Anagen Hair syndrome occurs in dark-skinned children and often improves on its own.

Hair texture changes with age due to varying levels of lipids.

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

Rac1 is essential for proper hair structure and color.

Outside factors like grooming, chemicals, and the environment can damage hair and cause disorders.

The conclusion is that a new method to measure hair shine was confirmed to match people's visual assessments.

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