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Microbial biosurfactants could be a safer and environmentally friendly alternative to chemical surfactants in cosmetics.

Certain molecules in hair change with age and could be used for cosmetic treatments.

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

Skin diseases are common and can significantly affect people's lives; better outcome measures and ethical clinical trials are needed to improve dermatology care.

The method creates realistic, anonymous acne face images for research, achieving 97.6% accuracy in classification.

Skin aging is largely due to differences in stiffness and elasticity between skin layers, leading to wrinkles.

Nanoemulsions improve stability and delivery of active ingredients in cosmetics for skin and hair care.

Rice bran extract caused moderate skin irritation but no eye irritation, while a diluted essence was not irritating to skin and only slightly to guinea pigs.

The document concludes that understanding hair follicle biology can lead to better hair loss treatments.

PGD2 stops hair growth and is higher in bald men with AGA.

Current therapies cannot fully regenerate adult skin without scars; more research is needed for scar-free healing.

Hair follicles are complex, dynamic mini-organs that help us understand cell growth, death, migration, and differentiation, as well as tissue regeneration and tumor biology.

The niche environment controls stem cell behavior and plasticity, which is important for tissue health and repair.

Chitosan hydrogels are promising for repairing blood vessels but need improvements in strength and compatibility.

3D bioprinting is advancing in plastic and reconstructive surgery, especially for creating tissues and improving surgical planning, but faces challenges like vascularization and material development.

Low doses of some substances can be beneficial, while high doses can be harmful or toxic.

Sebaceous glands can heal and regenerate after injury using their own stem cells and help from hair follicle cells.

Finasteride-treated male rats' offspring had altered glucose metabolism, potentially increasing diabetes risk.

A two-step method was created in 2015 to make more cells that help with hair growth, but they need to be combined with other cells for 4 days to actually form new hair.

The letter suggests that a modified fat processing technique may increase regenerative cells but calls for more trials to confirm its effectiveness for skin and hair treatments.

The document calls for standardized terms and definitions in hair transplant methods.

The two-step procedure of fat grafting followed by hair grafting improves scalp and facial scar correction.

Thallium poisoning can cause worsening nerve damage and vision loss without typical symptoms.

Finasteride modifies 5-alpha-reductases through a two-step process, affecting inhibitor potency and possibly causing side effects.

Improved methods create smaller, more effective gelatin nanoparticles for skin delivery, and new caffeine nanocrystals enhance absorption and effectiveness.

Optimized film improves finasteride skin absorption and treatment efficiency.

The review concluded that keeping the hair-growing ability of human dermal papilla cells is key for hair development and growth.

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

The sharp implanter method for hair graft placement is simpler and faster, allowing for dense packing of grafts with natural results.

Two-photon microscopy helps observe hair follicle stem cell behaviors in mice.