Your nails and nail beds will thank you for providing them with all of the nutrients needed to rejuvenate cracked, brittle and damaged nails. Apocynin decreases oxidative stress and promotes the synthesis of Collagen which will promote nail health and vitality. ROS BioNet is an exclusive combination of antioxidant proteins created by Skin Actives Scientific. Made with KGF (keratinocyte growth factor) and fortified with active nutrients for you to grow your nails longer and stronger than ever before. The combination of nourishing actives will strengthen nails and repair damaged, cracked or brittle nails.