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Human hair follicle stem cells can turn into multiple cell types but lose some of this ability after being grown in the lab for a long time.

Keratin films from human hair can potentially replace human nail plates for drug testing.

Researchers created a quick, cost-effective way to make skin-like tissue from hair follicles and fibroblasts.

Protein composition greatly affects the function of keratin biomaterials.

A certain surfactant sticks to human hair, making it change from water-repelling to water-attracting, which could help in hair conditioning.

Human hair contains various lipids that vary among individuals and help protect the hair.

Human hair has a protective lipid layer that can be damaged by moisture and treatments, affecting hair growth and health.

Human hair follicle stem cells show signs of low oxygen levels, which may be important for hair growth and preventing baldness.

Finasteride potentially treats hair loss by reducing DHT production.

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

6-Gingerol, found in ginger, may slow down hair growth and could be used for hair removal.

Scientists created keratinocyte cell lines from human hair that can differentiate similarly to normal skin cells, offering a new way to study skin biology and diseases.

Hair acts as a significant natural sun barrier, with protection increasing based on hair density, thickness, and melanin presence.

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

Human hair follicles can grow and stay healthy for up to 8 days in a lab setting.

Human hair follicles can grow back.

A tough membrane between the outer and inner layers of human hair protects it from damage.

The cuticle significantly contributes to hair stiffness, making up about 60% of the total bending stress.

Human hair-derived particles can effectively carry and release the cancer drug Paclitaxel in a pH-sensitive manner, potentially targeting cancer cells while sparing healthy ones.

Adding human hair to sand improves its strength when dry and maintains strength when wet.

Researchers developed a new method using methylene blue staining to more accurately identify the growth stage of human hair follicles.

The method can measure vitamin B3 levels in human hair accurately.

Human hair is unique and important for understanding human evolution and identity.

Human hair contains more glycosaminoglycans in children than adults, and these compounds decrease with age, possibly affecting hair thickness.

The conclusion is that a new method can identify cosmetic residues on hair and match them to their products.

Human scalp hair follicles can produce hormones and have a system similar to a brain-body communication network.

The conclusion is that effectively treating hair disorders is difficult due to the complex factors affecting hair growth and more research is needed to improve treatments.

Human hair provides more UV protection when aligned and at higher angles, but the scalp still gets UV exposure.

Human hair keratin hydrogels show promise for use in regenerative medicine.

The technique showed that human hair has two main parts, with 68% being rigid and the rest flexible, and water swelling affects its structure.