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Advancements in hair biology include new treatments and tools for hair growth and alopecia.

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.

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

Human skin makes sexual hormones that affect hair growth, skin health, and healing; too much can cause acne and hair loss, while treatments can manage these conditions.

Niosomes are a promising, stable, and cost-effective drug delivery system with potential for improved targeting and safety.

Modulating BMP activity changes the number, size, shape, and type of ectodermal organs.

The Wnt/β-catenin pathway can activate melanocyte stem cells and may help regenerate hair follicles.

Alopecia areata, a type of hair loss, is likely an autoimmune disease with a genetic link, but its exact cause is still unknown.

Stem cell therapies show promise for treating various diseases but face challenges in clinical use and require better monitoring techniques.

The skin has multiple layers and cells, serves as a protective barrier, helps regulate temperature, enables sensation, affects appearance, and is involved in vitamin D synthesis.

Mice genetically modified to produce more Del1 protein had faster hair regrowth.

New treatments for vitiligo may focus on protecting melanocyte stem cells from stress and targeting specific pathways involved in the condition.

Genetics, stress, and health issues can cause early hair greying, which affects self-esteem, and there's no cure, only hair dye.

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.

The document concludes that a deeper understanding of skin aging and photodamage is needed to create better skin treatments.

Estrogens and progesterone are key in regulating melasma pigmentation.

Vitiligo is a skin condition causing white spots, more common in women, often starts before age 20, and can affect mental health.

Wnt signaling is crucial for pigmented hair regeneration by controlling stem cell activation and differentiation.

Melanocyte stem cells in hair follicles are key for hair color and could help treat greying and pigment disorders.

Stem cells are crucial for skin repair and new treatments for chronic wounds.

Melatonin may benefit skin health and could be a promising treatment in dermatology.

Some medicinal plants can help heal wounds and may lead to new treatments.

Myrtle has various health benefits and potential for medicine development.

Latanoprost can make eyelashes longer, thicker, and darker.

Estrogen therapy can reduce skin aging but has cancer risks.

Oxidative stress contributes to hair graying and loss as we age.

Dexamethasone speeds up hair loss in mice, while cyclosporin A slows it down.

Asia has made significant progress in tissue engineering and regenerative medicine, but wider clinical use requires more development.

The hydrogel with a 1:3 ratio of hydroxyethyl cellulose to hyaluronic acid is effective for delivering drugs through the skin to treat acne.

Animals that change color with the seasons mainly do so in response to daylight changes, but climate change is causing camouflage problems that may require evolutionary changes.