... ODM, CE Household Hot and Cold Hammer for Anti-inflammation Skin Care LW-017 DescriptionWhat is hot and ... 5°C-10°C5.Make face skin tight, smooth and delicated6.Enhance to help blood circulation, metabolism ... Strength collagen fibers, tighten skin, make it elastic, smooth wrinkle and crows feet;3.Thin blood vessel, effectively ... details. Household Hot and Cold Hammer for Anti-inflammation Skin Care LW-017