COSRX Clear Fit Master Patch is an ultra-thin, hydrocolloid acne patch that effectively extracts out all impurities and debris from your skin to reduce inflammation and heals pimples quickly. It creates a barrier to protect these troubled areas from bacteria and prevents any further infection and breakouts. The ultra-thin acne patch blends so perfectly into the skin that it appears indivisible when applied. It can also be used underneath makeup for even more invisibility for a flawless appearance. Key Points: Fast-healing Vegan friendly Hypoallergenic Water-resistant Dermatologically-tested Acne spot treatment band Ultra-thin hydrocolloid acne Draws out impurities and oil Effectively clears acne and pimples Size: 18 patches MADE IN KOREA. All of our products are 100% authentic.