The special technology of this serum works by engaging exosomes that encapsulate the growth factors and proteins which ensures maximized penetration for enhanced results. It helps to encourage the repair process as well as stimulating new cells for the rebuilding of collagen and elastin. Great product for age-reversal for all skin types. Ingredients - water (aqua), human stem cell conditioned media, human fibroblast conditioned media, hamamelis virginiana (witch hazel) bark/leaf/twig extract, hydroxyethylcellulose, phosphatidylcholine, citrus medica limonum (lemon) oil, dehydroacetic acid, benzyl alcohol.