Brand from Japan: AIAI Medical. This is a soap containing peeling ingredients like AHA glycolic acid.It helps clear your skin gently, improving luminosity with a gentle sensation.It is 4% skin-safe AHA glycolic acid.How to use:Add lukewarm water and whip well.In the case of cold water, foaming may not be very good.After foaming with your palm, please massage, and careful not to rub areas of concern such as skin marks, forehead, around the nostrils, around the mouth, etc.Rinse after 30 seconds to 1 minute.If soap components remain on the skin, it may cause trouble, so rinse well.