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Epidermal stem cells are diverse and vary in activity, playing key roles in skin maintenance and repair.

Blocking COX, especially COX-2, in the skin can reduce inflammation and pain and may help prevent skin cancer.

TGF-β is crucial for controlling stem cell behavior and changes in its signaling can lead to diseases like cancer.

Keratin expression reflects cell organization and differentiation, not causes it.

Tight junctions are key for skin protection and controlling what gets absorbed or passes through the skin.

Caffeine in cosmetics may reduce cellulite, protect skin, and stimulate hair growth, but more research is needed on its use and effects.

New research suggests that skin cell renewal may not require a special type of cell previously thought to be essential.

The WNT signaling pathway is important in many diseases and targeting it could offer new treatments.

Aging causes skin stem cells to work less effectively.

Estrogen replacement can improve skin health in menopausal women but doesn't reverse sun damage or prevent hair loss.

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

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.

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

New treatments targeting specific genes show promise for treating keratin disorders.

BMAL1 and Period1 genes can influence human hair growth.

Hair patterns in mice are controlled by both a global system dependent on Fz6 and a local self-organizing system.

Layer-by-Layer self-assembly is promising for biomedical uses like tissue engineering and cell therapy, but challenges remain in material safety and process optimization.

Minoxidil helps hair growth by activating the β-catenin pathway.

MDP hydrogel heals wounds faster and better than other treatments in diabetic mice.

The skin protects the body and is constantly renewed by stem cells; disruptions can lead to cancer.

The TGF-β family helps control how cells change and move, affecting skin, hair, and organ development.

Certain genes control the color of human hair by affecting pigment production.

Activin helps skin growth and healing mainly through stromal cells and affects keratinocytes based on its amount.

Hidradenitis suppurativa is caused by genetic factors, inflammation, bacteria, hormones, and lifestyle factors like obesity and smoking.

Fat cells are important for healthy skin, hair growth, and healing, and changes in these cells can affect skin conditions and aging.

Mesenchymal stem cells show potential for skin healing and anti-aging, but more research is needed for safe use, especially regarding stem cells from induced pluripotent sources.

CCCA is a scarring hair loss condition mainly in African descent women, possibly caused by genetics and hairstyling, treated with gentle hair care and medications.

Sox2-positive dermal papilla cells have unique characteristics and contribute more to skin and hair follicle formation than Sox2-negative cells.