The Mild Acidic pH Sheet Mask Heartleaf Fit is a soothing and hydrating Korean sheet mask set designed to calm stressed skin, restore moisture balance, and strengthen the skin’s natural barrier. Infused with heartleaf extract—a renowned botanical ingredient used in Korean skincare for its anti-irritant and calming properties—this set contains 10 single-use sheet masks, each providing 30 ml of calming essence. Its gentle, mildly acidic pH formula makes it ideal for sensitive, irritated, or reddened skin that needs hydration and balancing care.