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Marine-derived ingredients show potential for hair health but need more human trials to confirm effectiveness.

Different scalp and hair disorders are more common in certain ethnic groups, with the most common being androgenetic alopecia, which is treated with medications like minoxidil and finasteride.

Transplanted whisker follicles caused hair growth on the spine of mice.

The conclusion is that certain cell interactions and signals are crucial for hair growth and regeneration.

The document concludes that understanding hair follicle biology can lead to better hair loss treatments.

Laser hair removal is the most requested cosmetic procedure and has become a scientifically-based treatment suitable for all skin types.

Ruby laser pulses best destroy hair follicles during the growth phase and effectiveness varies with laser intensity; melanin is key for targeting, and timing treatments can improve results.

The document concludes that hair is complex, with a detailed growth cycle, structure, and clinical importance, affecting various scientific and medical fields.

We need more research to better understand human hair follicle stem cells for improved treatments for hair loss and skin cancer.

Hair grays due to oxidative stress and fewer functioning melanocytes.

Zinc can both inhibit and stimulate mouse hair growth, and might help recover hair after chemotherapy.

Premature graying of hair may suggest health issues and currently lacks effective treatments.

Effective hair loss assessment requires a mix of precise measurement methods.

Aging in hair follicle stem cells leads to hair graying, thinning, and loss.

White hair grows thicker and faster than black hair due to higher activity of growth-related genes and proteins.

Some medications might reverse gray hair, especially those that reduce inflammation or stimulate pigment production, and vitamin B might help.

Increasing ABC transporters in hair follicles may prevent chemotherapy-induced hair loss.

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

Pulsed-intense light can significantly reduce hair, with effectiveness depending on treatment number and timing, and has mild side effects.

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.

Human hair follicles can regenerate and recover after severe injury by going through a brief abnormal resting phase before growing again.

CBD can either reduce inflammation and not affect hair growth at low levels or inhibit hair growth at high levels.

Laser hair removal is effective for dark hair but needs improvement for nonpigmented or fine hairs.

Green tea compound EGCG helps mink hair follicles grow by affecting certain cell growth pathways.

Hair growth is influenced by hormones and goes through different phases; androgens can both promote and inhibit hair growth depending on the body area.

A protein called sFRP4 from skin cells stops the development of pigment-producing cells in hair.

Mouse zigzag hair bends form due to a 3-day cycle of changes in hair progenitors and their environment.

Androgens play a key role in hair growth and disorders like baldness and excessive hairiness.

Genetics, stress, and health issues can cause early hair greying, which affects self-esteem, and there's no cure, only hair dye.

Darker hair colors may increase the risk of alopecia areata, while lighter hair colors may decrease it.