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The human scalp has different types of pigment cells in hair follicles with varying abilities to produce pigment.

The human scalp hair bulb contains different types of melanocytes with varying abilities to produce melanin.

Hair color is determined by melanin produced and transferred in hair follicles.

Hair color is determined by different melanins and changes with age.

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

Higher light doses cause more damage to hair follicles, predicting better hair removal results.

Skin stem cells can help improve skin repair and regeneration.

Cats with abnormal hair had DSG4 gene changes causing hair problems.

Hair grays due to oxidative stress and fewer functioning melanocytes.

CRH in the skin acts like the body's stress response system, affecting cell behavior and immune activity.

Cosmeceuticals may benefit skin health but need more research for efficacy and safety confirmation.

Melanocyte development from neural crest cells is complex and influenced by many factors, and better understanding could help treat skin disorders.

Hair follicle melanocytes die during hair regression.

Human skin's melanocytes respond to light by changing shape, producing pigments and hormones, which may affect sleep patterns.

Melasma's causes include genetics, sun exposure, hormones, and oxidative stress, and understanding these can help create better treatments.

The 2015 Hair Research Congress concluded that stem cells, maraviroc, and simvastatin could potentially treat Alopecia Areata, topical minoxidil, finasteride, and steroids could treat Frontal Fibrosing Alopecia, and PTGDR2 antagonists could also treat alopecia. They also found that low-level light therapy could help with hair loss, a robotic device could assist in hair extraction, and nutrition could aid hair growth. They suggested that Alopecia Areata is an inflammatory disorder, not a single disease, indicating a need for personalized treatments.

Natural ingredients in cosmeceuticals are beneficial for skin and hair health with few side effects.

Vitamin D is important for skin health and may affect conditions like psoriasis and hair loss, but more research is needed to understand its role fully.

Oral zinc sulphate reduces dark hair color in mice.

Eyelashes protect the eyes, but more research is needed to understand how.

Old drugs like finasteride and spironolactone are being successfully used for hair loss and skin conditions, and many other drugs show promise for new uses in dermatology.

Polyphenols may help treat skin conditions like warts, hair loss, acne, and dark spots, but more research is needed.

Cathepsin L is essential for normal hair growth and development.

Most skin changes during pregnancy are harmless and temporary, but some can risk the fetus and need careful treatment.

Hair growth is influenced by hormones and goes through different phases; androgens can both promote and inhibit hair growth depending on the body area.

Animal research has greatly advanced dermatology.

Hair growth and pigmentation in mice involve specific stages crucial for research.

Latanoprost, a glaucoma drug, showed potential for promoting hair growth in bald monkeys, especially at higher doses.

The document suggests a bacteria plays a significant role in acne rosacea and that white hair can regain color after transplant, meriting more research on reversing grey hair.

Nanostructured lipid carriers are effective for treating hyperpigmentation in women aged 30-40.