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Older women's scalp cells show changes that could contribute to hair thinning.

Blocking 11β-HSD1 reduces stress hormone damage in hair growth cells.

PCOS increases the risk of heart disease and type 2 diabetes in women.

Bone Morphogenetic Proteins (BMPs) are important for hair growth, and their decrease due to hormones could lead to hair loss, but adding more BMPs could promote hair growth.

Researchers found a substance in chicken egg yolk that helps hair grow.

The keratin network in mouse skin changes during cornification and affects the skin's protective barrier.

People with alopecia areata have higher levels of a heart disease marker in their blood.

Sensitive scalp has higher pH, more redness, abnormal sebum, and altered bacterial makeup.

Antioxidants can benefit skin health but should be used carefully to avoid negative effects.

5-alpha reductase deficiency leads to male sexual development issues and treatments like finasteride help with prostate enlargement and hair loss.

Finasteride can cause one-sided breast enlargement, which disappears after stopping the drug.

Topical tacrolimus did not regrow hair in alopecia universalis patients.

The skin protects the body, regulates temperature, senses touch, and makes vitamin D.

Choose cost-effective emollients for dry skin conditions and prescribe appropriate amounts.

Actemra is approved for a specific artery condition, HIV treatment adherence has improved, women may pay more for a hair loss product, and incorrect dosing of blood thinners can be risky.

Genetic defects and UV radiation cause skin damage and aging.

The skin has a complex immune system that is essential for protection and healing, requiring more research for better wound treatment.

Stem cells help heal skin wounds by moving and changing roles, working with other cells, and needing more research on their activation and behavior.

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

Nutraceuticals may improve skin health and protect against aging, but more research is needed on their optimal use and possible health risks.

Skin has specialized touch receptors that can tell different sensations apart.

Fat tissue cells are a promising option for healing various diseases, but more research is needed to ensure they are safe and effective.

Human hair follicles can regenerate after removal, but with low success rate.

Progress has been made in skin and nerve regeneration, but more research is needed to improve methods and ensure safety.

Hair growth can be induced by certain cells found at the base of hair follicles, and these cells may also influence hair development and regeneration.

Understanding how hair follicle stem cells work can help find new ways to prevent hair loss and promote hair growth.

Environmental factors at different levels control hair stem cell activity, which could lead to new hair growth and alopecia treatments.

The document concludes that the skin's immune system is complex, involving interactions with hair follicles, nerves, and microbes, and can protect or cause disease, offering targets for new treatments.

Dihydrotestosterone increases the activity of an enzyme in pubic skin cells that converts testosterone to dihydrotestosterone.

Keratinocytes control how melanocytes work.