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This ingredient refers to the nutrient-rich liquid in which human stem cells are cultured. It contains a complex blend of growth factors, proteins, and other signaling molecules secreted by the stem cells. In skincare, these components are believed to help support skin regeneration, improve elasticity, and reduce visible signs of aging.
No specific concern data available
Safety summary
Generally considered safe for topical cosmetic use. As with any complex biological ingredient, a patch test is recommended for individuals with sensitive skin due to a theoretical, though low, risk of irritation or allergic reaction.
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.