DBL REWIND 0.3% PRO GRADE RETINOL SERUM. Benefits: This professional-grade retinol serum balances two potent retinoids with soothing aloe vera and a nourishing Scandinavian botanical complex to transform your skin.. Created for new and experienced retinol users, the dual-action formula evens skin tone, smoothes texture and diminishes the look of fine lines, wrinkles and dark spots while restoring skins clarity and youthful glow.. Key Ingredients: 20% Aloe Juice: hydrates and refreshes skin. Birch Sap: calms and soothes skin. Research Results: In a 12-week study on 35 people:. In just 2 weeks:. Visibly improves fine lines and wrinkles. After 8 weeks:. Boosts hydration by 20%. Strengthens the skin barrier. Skin is 29% smoother. Improves elasticity by 44%.