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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.

Stem cell plasticity is crucial for wound healing but can also contribute to cancer development.

Capsaicin cream quickly relieved itching in two patients with brachioradial pruritus.

Thyroid hormone affects skin health, with too little causing rough, pale skin and too much leading to smooth, thin skin, and may also impact wound healing and skin conditions.

Hair follicle stem cells can turn into various cell types and help repair nerves.

Wnt/ß-catenin signaling is crucial for regulating skin stem cells and hair growth, with the right levels and timing needed for proper function.

Cavity macrophages gather on organ surfaces but don't really invade or help repair the organs after injury.

Thyroid hormones affect skin texture, hair and nail growth, and can cause skin diseases related to thyroid problems.

The transtemporal midface lift improves the lower eyelid and cheek area with high patient satisfaction and low complication rates.

Scientists made structures that look like human hair follicles using stem cells, which could help grow hair without using actual human tissue.