Brand from South Korea: AESTURA. Benefits:A skin-lightening effect serum for acne skins that cares for sebum and dead skin cells with the toning effect.Contains ZINC to prevent excessive oils and BHA to soften the skin.Smooth serum texture without any stickiness.Passed a dermatological test, allergy test, and acne skin use suitability test. How to use:Take an appropriate amount of serum and gently spread it to the face at the next step of toner.