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Glycine reduces skin pigmentation by lowering melanin production.

Melanocytes are diverse cells important for pigmentation and skin health, influenced by genetics and environment.

BMI1 is essential for preventing hair greying and maintaining hair color.

Imiquimod improved skin pigmentation in most patients with xeroderma pigmentosum and may prevent further skin cancer, but some treatments can have side effects.

P-cadherin is crucial for hair follicle pigmentation but not skin pigmentation.

Melatonin protects skin against UV damage by regulating various cellular processes.

Facial aging is caused by natural processes and external factors, and can be managed with preventative measures and a variety of treatments tailored to individual needs.

The article concludes that understanding the molecular processes in hair follicle development can improve the quality of fibers like Angora and cashmere.

Skin health and diseases are closely linked to metabolic processes.

Estrogens and progesterone are key in regulating melasma pigmentation.

Injecting CHIR-99021 into goose embryos improves feather growth by changing gene activity and energy processes.

Human skin responds to light with protective mechanisms, but more research is needed to understand these processes and their implications for health and therapy.

Integrin alphavbeta6 is important for wound healing and hair growth, and blocking it may improve these processes.

Poplar seed hairs grow from the placenta at the ovary base, with endoreduplication playing a key role in their development, and share similar cellulose synthesis processes with cotton fibers.

Anti-cancer treatments can cause reversible hair loss, skin sensitivity, pigmentation changes, nail damage, and skin reactions, with a need for more research on managing these side effects.

Nitric oxide is important for skin functions and both helps protect against and contributes to skin inflammation and sensitization.

Human skin can make serotonin and melatonin, which help protect and maintain it.

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

Melatonin affects many body functions beyond sleep by interacting with specific receptors in various tissues.

Visible light can damage skin and most sunscreens don't block it well; more research is needed on its effects and protection methods.

Human hair follicle organ culture is a useful model for hair research with potential for studying hair biology and testing treatments.

The document concludes that various clinical methods are used to assess ageing skin and the effectiveness of anti-ageing products.

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

Advanced human skin models improve drug development and could replace animal testing.

Key genes are crucial for Drosophila wing development and could be insecticide targets.

Adult skin quickly reacts to short-term environmental and internal stress, leading to various skin issues and the need for protective measures.

Mice without certain skin proteins had abnormal skin and hair development.

Researchers found genes that control hair color and growth change before the visible coat color changes in snowshoe hares.

Epidermal stem cells have various roles in skin beyond just maintenance, including forming specialized structures and aiding in skin repair and regeneration.

Non-immune factors play a significant role in alopecia areata.