Serum C20A stabilized vitamin C of all natural origin dosed at 20% is at the heart of SERUM C20. This powerful oleo serum quickly and visibly corrects lack of radiance, wrinkles, and dark spots for younger, more luminous skin. Enriched with organic apricot oil, sweet orange essential oil and Yon Ka Quintessence, Serum C20 enhances the skin without leaving a greasy finish and is tolerated by all skin types, even sensitive skin. Whether you use it as a treatment