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Acne affects most teenagers and can continue into adulthood, with various treatments available that show improvement but have concerns like antibiotic resistance and side effects.

Different types of skin cells play specific roles in development, healing, and cancer.

The Multi-Organ-Chip improves the growth and quality of skin and hair in the lab, potentially replacing animal testing.

Dermatologists need to understand hair products to treat hair and scalp issues better.

Hormone treatments in transsexual individuals reduce hair growth and oil production in male-to-females and increase them in female-to-males.

Capsaicin, found in chili peppers, can slow down hair growth by affecting skin cells and hair follicles.

Liposomal systems show promise for delivering drugs through the skin but face challenges like high costs and stability issues.

Liposomes improve drug delivery and reduce skin irritation in dermatology.

Fat-derived stem cells show promise for skin repair and reducing aging signs but need more research for consistent results.

Different types of stem cells exist within individual skin layers, and they can adapt to damage, transplantation, or tumor growth. These cells are regulated by their environment and genetic factors. Tumor growth is driven by expanding, genetically altered cells, not long-lived mutant stem cells. There's evidence of cancer stem cells in skin tumors. Other cells, bacteria, and genetic factors help maintain balance and contribute to disease progression. A method for growing mini organs from single cells has been developed.

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.

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

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

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

The document concludes that certain genetic mutations and dietary factors are involved in acne development, and treatments like isotretinoin and diet changes can help manage it.

The human hair follicle can store topical compounds and be targeted for drug delivery with minimal side effects.

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

Hormonal treatments, including birth control and antiandrogens, can effectively treat acne in women.

Growth factors are crucial for hair development and could help treat hair diseases.

Wool follicles are complex, involving interactions between different cell types and structures.

The yeast Pityrosporum ovale can cause skin allergies and infections, and antifungal treatments like ketoconazole are effective against it.

Mice studies show that Protein Phosphatase 2A is crucial for cell growth, development, and disease prevention.

Blocking β-catenin in skin cells improves hair growth during wound healing.

Skin development in mammals is controlled by key proteins and signals from underlying cells, involving stem cells for maintenance and repair.

The TGF-β family helps control how cells change and move, affecting skin, hair, and organ development.

Testosterone therapy seems safe for postmenopausal women for a few years, but more research is needed for long-term effects.

Hormonal treatments can help with acne but are not the first choice due to side effects and the need for careful patient selection.

Women with PCOS often have skin problems like excessive hair, acne, hair loss, and dark patches, which can be treated with hormonal and non-hormonal therapies.

Niosomes are promising for skin drug delivery, offering benefits like improved drug penetration and stability.

Minoxidil and finasteride treat hair loss; more research needed for other options.