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Hair and nails are skin parts that develop early and serve protective and functional roles.

Microspheres about 1.5 micrometers in size can best penetrate hair follicles, potentially reaching important stem cells.

The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.

Stress hormone corticosterone blocks a growth factor to slow down hair stem cell activity and hair growth.

A 3-month stay in space causes skin thinning, disrupts hair growth, and changes muscle-related genes in mice.

Bone marrow and umbilical cord stem cells can help grow new hair.

Changing light exposure can affect hair growth timing in goats, possibly due to a key gene, CSDC2.

Permanent hair removal is hard, but using longer laser pulses at lower power might improve results.

Using dual-frequency ultrasound with microbubbles can potentially improve the delivery of hair growth treatment through the skin and enhance hair growth.

sPLA2-IIA increases growth in hair follicle stem cells and cancer cells, suggesting it could be targeted for hair growth and cancer treatment.

The conclusion is that "trichoknesis" should be recognized as a separate condition from trichodynia, characterized by itching instead of pain.

Using radiation to make mice's hair turn gray helps study and find ways to prevent or reverse hair graying.

Lipids are important for healthy hair, but their exact role is not fully understood and needs more research.

Lgr5 is a marker for active, long-lasting stem cells in mouse hair follicles.

The document provides a method to classify human hair growth stages using a model with human scalp on mice, aiming to standardize hair research.

The 190-kbp domain contains all human type I hair keratin genes, showing their organization and evolution.

Toxic Shock Syndrome cases increased due to new factors, but decreased with public health measures and changes in tampon use.

Certain signals and genes play a key role in hair growth and regeneration, and understanding these could lead to new treatments for skin regeneration.

Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.

Low-level laser treatment helped rats regrow hair faster after chemotherapy.

Hormones and neuroendocrine factors control hair growth and color, and more research could lead to new hair treatment options.

Caffeine applied to the scalp can protect hair follicles from UV damage.

Nd:YAG laser can reduce hair with multiple treatments, but permanent removal isn't guaranteed.

Eyebrow loss has many causes and requires accurate diagnosis for proper treatment.

The long-pulsed alexandrite laser is effective for hair reduction, particularly for light-skinned individuals with dark hair, but caution is needed for darker skin.

Minoxidil helps hair grow by improving blood flow and increasing growth factors in hair follicles.

Hair follicle bulge cells don't help skin regrow after glucocorticoid damage; interfollicular epidermis cells do.

Laser hair removal works well for people with dark hair and light skin, but it's less effective for light hair or dark skin; improvements are expected.

Finasteride affects hair growth by changing caspase and XIAP levels, potentially treating hair diseases.

Overexpressing Tβ4 in goats' hair follicles increases cashmere production and hair follicle growth.