PH+ Enzyme Essence – Kat Burki Skincare

3.4 oz Step No. 3 In The Kat Burki 5 Essential Steps For Healthy Skin. STEP 3: OPTIMIZE PH Rarely addressed, our skin is best (and looks best) when its ph (potential hydrogen) level is mid-level to acidic - alkaline ratio, 0 (most acidic) to 14 (most alkaline). The skin’s barrier (acid mantle) is responsible for keepin