eCosmetics is an authorized retailer of Rajeunir.This revitalizing treatment is highly concentrated and delivered deep into your skin. It tightens and firms the skin while hydrating, and protecting its elasticity to make it look and act younger. Amazingly, this Age-Defying Serum can be even more effective when used together with the Age-Defying Thermal Heating Mask. Working in synergy, serum on top of the mask, they make an unbeatable combination.