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Skin-Adaptive pH: Assessment of skin pH after applicationUpdated a month ago

Our 15% Azelaic Acid Advanced Clarifying Serum is formulated for stability and elegance at pH 5.9, and then interacts with the skin’s natural acidic environment. Clinical testing showed the skin-surface pH progressively adjusted to 5.2 within 60 minutes, bringing it below azelaic acid’s second pKa while remaining within the skin’s natural physiological pH range.

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