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Chemotherapy can cause various skin reactions, with hair loss being the most common, and proper diagnosis and treatment of these reactions are important.

Some drugs can cause rare but potentially deadly skin reactions, and early treatment and avoiding the drug again are key.

The research shows that a gene called Wnt3 affects hair growth and structure, causing short hair and balding when overactive.

Zinc oxide nanoparticles in sunscreen do not penetrate deep into the skin.

TGF-β is crucial for tissue repair and can cause diseases if not properly regulated.

Dermatoscopy is useful for identifying different hair and scalp conditions and can reduce the need for biopsies.

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

A protein from certain immune cells is key for new hair growth after skin injury in mice.

Future hair loss treatments should aim to extend hair growth, reactivate resting follicles, reverse shrinkage, and possibly create new follicles, with gene therapy showing promise.

Different types of skin cells play specific roles in development, healing, and cancer.

Noggin is necessary to start the hair growth phase in skin after birth.

Scientists have found a way to create hair follicles from skin cells of newborn mice, which can grow and cycle naturally when injected into adult mouse skin.

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

Stress stops hair growth in mice by causing early hair growth phase end and harmful inflammation through a specific nerve-related pathway.

Hair follicle development and microbes help regulatory T cells gather in newborn skin.

Regenerated fully functional hair follicles using stem cells, with potential for hair regrowth therapy.

New effective scar treatments are urgently needed due to the current options' limited success.

Alopecia areata involves immune activation in the scalp, suggesting treatments targeting TH1, TH2, and IL-23 pathways.

Chemotherapy can cause skin problems like hair loss, mouth sores, and skin darkening, and recognizing these can affect treatment decisions.

Stem cell niches support, regulate, and coordinate stem cell functions.

Latanoprost can make eyelashes longer, thicker, and darker.

Early development of hair, teeth, and glands involves specific signaling pathways and cellular interactions.

Blocking JAK-STAT signaling can lead to hair growth.

Dermatoscopy and videodermatoscopy are useful for diagnosing and monitoring various skin, hair, and nail conditions.

Laser hair removal effectiveness depends on targeting hair structures without harming the skin, and improvements require more research and expert collaboration.

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.

Eating less sugar, milk, and saturated fats and more vegetables and fish may help treat and prevent acne.

Fat-derived stem cells show promise for skin repair and reducing aging signs but need more research for consistent results.

Different types of stem cells exist within individual skin layers, and they can adapt to damage, transplantation, or tumor growth. These cells are regulated by their environment and genetic factors. Tumor growth is driven by expanding, genetically altered cells, not long-lived mutant stem cells. There's evidence of cancer stem cells in skin tumors. Other cells, bacteria, and genetic factors help maintain balance and contribute to disease progression. A method for growing mini organs from single cells has been developed.

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