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The document concludes that specific cells are essential for hair growth and more research is needed to understand how to maintain their hair-inducing properties.

Modulating BMP activity changes the number, size, shape, and type of ectodermal organs.

The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.

Oxidative stress contributes to hair graying and loss as we age.

Cepharanthine is a well-tolerated drug with multiple medical uses, including anti-inflammatory and anti-cancer properties.

Stem cell plasticity is crucial for wound healing but can also contribute to cancer development.

Targeting androgen receptors could be a promising way to treat skin disorders with fewer side effects.

Testosterone's muscle-building effects do not require its conversion to DHT.

Dexamethasone speeds up hair loss in mice, while cyclosporin A slows it down.

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

Cytokeratin 19 and cytokeratin 15 are key markers for monitoring the quality and self-renewing potential of engineered skin.

Modern lifestyles, including poor diet, stress, and long-term use of certain medications, hinder the body's ability to heal from inflammation, leading to chronic diseases.

The article concludes that the wool follicle is a valuable model for studying tissue interactions and has potential for genetic improvements in wool production.

Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.

Hair loss occurs due to fewer papillary cells, smaller follicles, and shorter growth phases.

Smoking harms the skin, causing early aging and increasing cancer risk, but stopping smoking can improve skin health.

Some drugs can cause skin, nail, and hair problems, which are important for healthcare professionals to recognize and report.

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.

Liposomes could improve how skin care products work but are costly and not very stable.

Psoriasis skin changes are complex and might need several biopsies for a clear diagnosis.

Skin-derived precursors in hair follicles come from different origins but function similarly.

Treating psoriasis on the scalp, nails, and skin folds is challenging, often requiring systemic treatments for severe cases, with some success in topical and biologic treatments.

MicroRNA-214 is important for skin and hair growth because it affects the Wnt pathway.

Laminin-511 is crucial for early hair growth and maintaining important hair development signals.

Fullerenes show potential in skin care but need more safety research.

Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.

No treatment fully prevents hair loss from chemotherapy yet.

The document concludes that adult mammalian skin contains multiple stem cell populations with specific markers, important for understanding skin regeneration and related conditions.

Grafted rodent and human cells can regenerate hair follicles, but efficiency decreases with age.

Pregnancy can cause skin pigmentation, stretch marks, and changes in hair, nails, and sweat glands, with most resolving after birth.