REVI's CY CHEEKS are available in two colors, orange and pink, giving a natural flush. - Color: Orange - Color: Pink - Product Name: CY Cheeks - Brand: REVI The long-awaited [REVI specification adult pom-pom cheek] is here!! Contains immortalized stem cell culture supernatant (Cysay factor)* Simply applying it to the skin leads to a vibrant and healthy impression. *What is immortalized stem cell culture supernatant (Cysay factor)? Immortalized stem cell culture supernatant (Cysay factor) is a collection of proteins born from stem cells. It contains over 230 types of growth factors such as FGF and IGF, and works on the stem cells in the body to enhance self-renewal. Not only does it moisturize the skin, but it also enhances the function of elastic fibers and addresses wrinkles and sagging.