pH balanced. Replenishes overnight for a renewed and balanced complexion. With polyglutamic acid enhanced hydrating complex. pH balance is essential to maintaining clear, healthy skin. pHisoderm Extra Rich Nighttime Moisturizer hydrates continuously while you sleep, revealing soft, radiant skin every morning. The gentle, pH balanced emollients nourish and replenish the skin overnight for a renewed and balanced complexion. The polyglutamic acid complex helps skin retain its natural moisture, leaving skin feeling soft and smooth without upsetting its pH balance. Dermatologist recommended. Hypoallergenic.