Naturally derived organic "stain patch". Contains a high concentration of vitamin C. Achieved a 3% blend equivalent to the maximum amount of quasi-drugs. For those who are worried about stains. Ascorbic acid, which has a melanin reducing effect*, is SHIMI_PATCHES achieved with a high concentration of natural ingredients. It is a natural gel that firmly locks only the melanin reduction effect ingredient*. The size is also a transparent type of 2c size, so you can use it with a ping pong for the part you are interested in. * Due to the ingredients in the composition