A gentle toner inspired by burn treatment for sensitive skin that is easily irritated. Barrier Cycle Toner 200ml Key Points ✔️ Suitability for acne-prone skin is proven by human-application clinical test results . ✔️ Dual-functionality cosmetic of brightening & anti-wrinkle. ✔️ Proven to be hypoallergenic with skin irritation index of 0.00. ✔️ Proven to control sebum secretion and reduce blackheads, whiteheads, pigmentation. ✔️ EWG Green Certified. Usage Tips 1. Right after cleansing, take an appropriate amount and spread evenly on the skin. 2. After evenly spreading, pour appropriate amount to a cotton pad and place it for several minutes on the areas where the skin temperature is high or where blackheads, whiteheads are intense.