This is a Beyond Beauty product which means it has been sourced, tried and tested and finally declared one of the most new and innovative heroes out there. Zelens'Power D Fortifying&Restoring is a high-potency provitamin D3 concentrate enriched with replenishing lipids structurally similar to those found in the skin. Infused with a proprietary complex of botanicals rich in plant sterols, this unprecedented fortifying and restoring treatment helps to strengthen skin's natural barrier, build its resilience, and protects skin against environmental aggressors and stressed conditions. It leaves skin supple, plumper and healthy-looking. Dermatologist tested. Recommended for normal to dry, compromised and problem skin.