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Common Black hair care products may affect hormone levels and potentially impact health, especially in reproductive and metabolic areas.

Researchers found a new gene, hacl-1, that is active in mouse hair follicles during hair growth and may be important for hair biology.

Skin stem cells are maintained by signals from nearby cells and vary in their ability to renew and mature.

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

Mesenchymal stem cells, especially injected into the skin, heal wounds faster and better than chitosan gel or other treatments.

Finasteride blocks progesterone's effect on absence seizures in rats.

St. John's Wort extract and oil safety in cosmetics is unclear; more data needed on photosensitization, toxicity, and human irritation.

A specific protein in chicken embryos links early skin layers to feather development.

New method accurately measures finasteride in tablets.

Men, diabetes, and high inflammation levels lead to higher COVID-19 antibodies.

The hydrogel with silver and mangiferin helps heal wounds by killing bacteria and aiding skin and tissue repair.

The review highlights the need for more research on transgender dermatology, the role of dermatologists in gender affirmation, and the effects of hormone therapy on skin and hair.

Finasteride effectively prevents biofilm formation and treats preformed biofilms, but requires high doses.

A new method extracts red dyes from wool without damaging it, although it slightly weakens the wool.

Women with PCOS have higher 5α-reductase activity, which may be linked to insulin resistance.

Hair follicles help magnesium get through the skin more effectively.

Thyroid receptor agonists may treat male pattern baldness without harmful side effects.

Tailor treatments for vitiligo to patient needs for best results.

The enzymes 5α-reductase and 3α/β-hydroxysteroid oxidoreductase help create brain-active substances from progesterone and testosterone, which could be used for treatment, but more research is needed to ensure their safety and effectiveness.

The study found stem cells in minor salivary glands that can differentiate and are involved in tumor formation when exposed to tobacco.

Maternal Nano-Se supplements improve fetal hair follicle development in cashmere goats.

A specific DNA region is crucial for Foxn1 gene expression in thymus cells but not in hair follicles.

Scientists created tiny particles loaded with a hair growth drug, minoxidil, that specifically target hair follicles and skin cells to potentially improve hair growth.

Wnt7a protein is crucial for development and tissue maintenance and plays varying roles in diseases and potential treatments.

Keratoacanthoma comes from hair follicle cells.

Birth control pills can help reduce mild to moderate acne in women.

Women with hair loss had higher levels of certain hormones, suggesting a link to a condition like PCOS.

Minoxidil may cause heart issues in guinea pigs, suggesting potential harm for users with heart conditions.

Finasteride affects brain processes related to neurotransmission and metabolism, potentially helping with neuropsychiatric conditions.

Liposomes improve the delivery and effectiveness of cosmetic ingredients but face challenges like cost and stability.