Antipodes Eve Bio-Retinol Line Reduction Serum is a retinol-infused anti-aging serum that helps to smooth out wrinkles and fine lines by increasing collagen. Formulated with Cacay oil. a natural source of vitamin A. and Bakuchiol to smooth and firm the skin without the irritating side-effects of traditional retinol. Reveal smoother. more radiant skin with this collagen-boosting oil-based serum.