Rubycell stem cell soap is different with other general soaps because : 1. It is carefully handmade making sure that you get preservatives-free, soap hardeners-free, surfactants-free 2. It has AAPE 3.. It is hypoallergenic 4. It contains saponin and collagen, providing elasticity to tired skin while protecting it. propolis extract,hyaluronic acid and evening primrose oil feed moisture and nutrients to skin.