Very formal. Ke Yu Li Luo is a legal and compliant product. Every product has passed the routine index detection, microbial detection and heavy metal detection. Moreover, Ke Yu Li Luo also has its own independent trademark, and everything is within the scope of commercial compliance, so Ke Yu Li Luo is a regular skin care brand. Skin care products refer to those products that protect skin, delay skin aging, increase skin cell vitality and strengthen skin blood circulation.