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Scientists discovered a new way UVB light increases skin pigmentation through the ATP-P2X7 pathway.

The document provides a practical guide for diagnosing and treating various types of hair loss.

The document provides a comprehensive guide for dermatologists to diagnose and treat hair loss.

Cellulite may be linked to low adiponectin, isotretinoin with UVB can treat psoriasis effectively, permanent alopecia post-chemotherapy resembles a unique hair loss, deodorants may cause fragrance allergies, desmoplastic melanoma is becoming more common, and intensive UVB treatment can give long-term psoriasis remission.

Vitamin D made by the skin plays a role in immune defense and skin health, and more research is needed to understand its full effects.

Red ginseng oil is believed to have various health benefits and is safe, but more research is needed to fully understand how it works.

Combining narrow-band ultraviolet B light and stem cell transplantation helps repigmentation in vitiligo by maintaining calcium balance in mice.

Infrared radiation can cause skin aging and cancer at high temperatures but may have therapeutic benefits at controlled levels.

Overexpressing thrombospondin-1 in mice skin prevents UVB-induced skin damage.

Low-dose radiation affects hair stem cell function and survival by changing their genetic material's structure.

Genetic defects and UV radiation cause skin damage and aging.

High-frequency ultrasonography is a useful but underused tool in dermatology for assessing skin cancers, monitoring diseases, and evaluating treatments.

Effective treatments for premature hair graying still require significant research.

The document concludes that the immune-inhibitory environment of the hair follicle may prevent melanoma development.

Basal cell carcinoma mostly starts from cells in the upper skin layers, not hair follicle stem cells.

Melatonin in the skin helps protect against damage from stress and UV rays, and could be used to treat certain skin conditions.

Tempeh oil rich in linoleic acid may protect against skin aging caused by UV light.

Some chemicals can permanently or temporarily remove color from skin and hair, which can be distressing and is not well-regulated in cosmetics.

Most vitiligo patients in Makkah are young women, often with family history and thyroid issues.

ATP increases melanin production in skin after UV exposure, with the P2X7 receptor being crucial for this process.

Hair health is influenced by genetics, aging, and environmental factors, with proper care needed to maintain it.

Cooling the scalp may prevent hair loss from chemotherapy, hair often grows back after treatment, and nail issues usually improve after stopping the drug.

Vitamin D receptor may help protect against UV-induced skin cancer.

Menopause reduces skin collagen and elasticity, and while estrogen therapy can help, its risks require careful consideration.

Hair loss treatments work better with lifestyle changes.

Hair sunscreens are important for maintaining hair's cosmetic value.

The skin acts like an endocrine organ, making hormones that affect skin diseases and respond to stress.

The document concludes that scalp disorders can be treated with hair washing, specific shampoos, medications, and sometimes surgery or hair transplants, but hereditary baldness is untreatable.

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

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