Brand from Japan: Spa Treatment. Spa Treatment CO2 Jelly is a two-in-one pack that continuously produces highly concentrated carbonic acid. The gel is now easier to peel off after hardened. The gel hardens beautifully after the treatment. Newly added beauty ingredients, combined with the skin beautifying effects of carbonic acid, will lead to a more beautiful skin tone and texture.How to use:Mix one pack of Agent A (granules) with one pack of Agent B (gel) and mix evenly.Apply it all over your face with a spatula and leave it for 15-30 minutes.Remove the gel with a spatula and wash off with water or lukewarm water.