HPNJRSMTHGLWNGMLTTSKNGMSTR4Z 4OZ. Benefits: Formula delivers instant and long-term visible results, while respecting the skin's natural functions.. Key Ingredients: Hyaluronic acid from biotechnology to deeply hydrate. High-purity glycolic acid to promote skin surface cell renewal and our exclusive radiance complex. Pro-vitamin p and responsibly sourced. Research Results: Immediate clinical improvement in skin texture, fine lines, and wrinkles**. Clinically proven to deliver instant & long-lasting hydration for up to 24 hours***. Clinically proven to increase skin's healthy radiance in just 1 week**. **Based on a 2-week clinical study with 42 women ages 25-55, twice a day usage ***based on a clinical study with 35 women ages 18-65, single usage.