Clear Hydrocolloid Blemish Patches for Whiteheads and Zits The Seoul Patch is a hydrocolloid sticker that helps reduce the appearance of whiteheads and blemishes, revealing clear, smooth skin. Results in about 6 hours. The hydrocolloid absorbs the pimple gunk. It is drug-free, clinically tested, and safe for all skin types. Order now Stays on all night. Just peel off in the morning without any irritation. Order now Clear patch blends in with your skin. Clean your face with a gentle cleanser. Gently press on the Seoul Patch over the blemish. Order now Made in Korea. Don’t K-Pop it – Seoul Patch it. Popular K-Beauty Product Order now