eCosmetics is an authorized retailer of Yon-Ka.A silky anti-aging serum with 7 active ingredient patents, specially made to satisfy many needs of mature skin. Formulated with lipoamino acids, d-ribose, and garden nasturtium, this serum accelerates the synthesis of ATP, boosts skin protein production, and oxygenates cells. Made of 97% ingredients of natural origin, this quickly absorbed treatment smooths wrinkles, improves firmness and elasticity, while also visibly evening skin texture.