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In 2019, dermatology and venereology improved skin cancer imaging, advanced in treating skin conditions like psoriasis, and explored the skin microbiome's role in diseases.

Adding hyaluronic acid helps create larger artificial hair follicles in the lab.

Infrared and Raman imaging can non-destructively analyze hair structure and help diagnose hair conditions.

New treatments and management strategies for skin conditions like melanoma and Spitz naevi were discussed at the dermatologists' meeting.

Dermatologists should customize cosmetic treatments for dark-skinned patients to minimize risks and complications.

Stem cell niches are crucial for regulating stem cell behavior and tissue health, and their decline can impact aging and cancer.

Growing human skin cells in a 3D environment can stimulate new hair growth.

Memory T cells in the skin balance staying put and moving into the blood, clustering around hair follicles, and increasing in number after infection.

Male hormones affect COVID-19 severity and certain drugs targeting these hormones could help reduce the risk.

Sonic hedgehog signaling is crucial for hair growth and maintaining hair follicle identity.

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

Macrophages help heal nerves by aiding the maturation of Schwann cells and are important for nerve repair.

Iranian veterans exposed to sulfur mustard suffer from long-term skin itching and eye damage, with some risk of skin cancer and ongoing management challenges.

Dermatologists need to understand African American hair-care practices to better treat their hair and scalp disorders.

Electrospun nanofibers show promise for enhancing blood vessel growth in tissue engineering but need further research to improve their effectiveness.

Skin stem cells maintain and repair the outer layer of skin, with some types being essential for healing wounds.

Hair can regrow after certain stem cells are lost because other stem cells can take over their role.

The guide explains how to study human and mouse sebaceous glands using various staining and imaging techniques, and emphasizes the need for standardized assessment methods.

Regenerative pharmacology, which combines drugs with regenerative medicine, shows promise for repairing damaged body parts and needs more interdisciplinary research.

Manatee whiskers are specially adapted for touch in water.

Androgens may block hair growth signals, targeting this could treat hair loss.

The document concludes that understanding hair follicle cell cycles is crucial for hair growth and alopecia research, and recommends specific techniques and future research directions.

The study found that a specific area of the hair follicle helps start hair growth by reducing the blocking effects on certain cells and controlling growth signals.

Caffeine applied to the scalp can protect hair follicles from UV damage.

Further research is needed to improve hair regeneration using stem cells and nanomaterials.

Autophagy is crucial for normal sebaceous gland function and sebum composition.

Three specific proteins can turn adult skin cells into hair-growing cells, suggesting a new hair loss treatment.

Intralesional therapy for keratoacanthoma is effective and has fewer side effects than systemic treatments.

Minoxidil in HA-PLGA nanoparticles effectively treats alopecia through skin delivery.

Frontal Fibrosing Alopecia's cause is unclear, affects mainly postmenopausal women, and current treatments focus on stopping hair loss rather than regrowth.