This skin of a healthy person has a pH balance of pH 5.0-6.0 which is considered a “weak acid” level. Abib’s mild acidic pH sheet mask is the closest to our skin’s pH levels, which mildly cares for our skin. Mild acidic pH strengthen immunity of skin and adjust pH balance to maintain healthy skin. Aqua hydrates and strengthens moisturizing power and maintain your skin hydrated. Albumin coated mask sheets help absorb the essence onto our skin and form fits our face providing a lightweight feeling.