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Genetic defects and UV radiation cause skin damage and aging.

Lichen planopilaris is a rare, chronic condition causing hair loss, mainly in middle-aged women, and early treatment is important to prevent permanent baldness.

Laser hair removal effectiveness depends on targeting hair structures without harming the skin, and improvements require more research and expert collaboration.

The HR protein helps hair grow by blocking a hair growth inhibitor, aiding in hair follicle regeneration.

Human hair follicle organ culture is a useful model for hair research with potential for studying hair biology and testing treatments.

No effective treatment for frontal fibrosing alopecia was found, but oral 5-alpha-reductase inhibitors had the best response; for lichen planopilaris, topical corticosteroids were commonly used but had a high relapse rate.

Hair growth is influenced by interactions between skin layers, growth factors, and hormones, but the exact mechanisms are not fully understood.

Keratinocytes control how melanocytes work.

Mice without collagen VI have slower hair growth normally but faster regrowth after injury.

Cholesterol balance is important for hair health, and problems with it can lead to hair loss conditions.

Microneedling helps increase the absorption of a melanin product into hair follicles, which may improve laser hair removal effectiveness.

Some plants with flavonoids may help treat hair loss and promote hair growth.

Alopecia areata, a type of hair loss, is likely an autoimmune disease with a genetic link, but its exact cause is still unknown.

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.

Certain drugs can cause early hair growth in mice by affecting the nerves.

Hair gets thinner, grayer, and changes texture with age due to genetics, environment, and cellular changes, affecting the growth cycle.

Parathyroid hormones are important for hair growth, but their use in treating hair loss from chemotherapy is still uncertain.

Skin health and diseases are closely linked to metabolic processes.

Modifying certain signals in the body can help wounds heal without scars and regrow hair.

VEGFR-2 activation is likely involved in hair follicle growth, survival, and development.

Modern hair restoration techniques can effectively treat hair loss and provide natural-looking results.

Hair health is influenced by genetics, aging, and environmental factors, with proper care needed to maintain it.

Aging causes hair to gray and thin, with the timing of graying varying by race, and factors like oxidative stress and genetics can lead to hair loss.

Eating a balanced diet with the right vitamins and minerals is important for healthy hair, but too many supplements can be harmful.

Future hair loss treatments should aim to extend hair growth, reactivate resting follicles, reverse shrinkage, and possibly create new follicles, with gene therapy showing promise.

Noggin is necessary to start the hair growth phase in skin after birth.

Male pattern baldness involves genetics, hormones, and needs better treatments.

Particles around 100 nm can penetrate and stay in hair follicles without passing through healthy skin, making them safe for use in topical products and useful for targeted drug delivery.

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

Applying a special compound can promote hair growth without harmful side effects.