Ask me if you need more details The Dear, Klairs Midnight Blue Youth Activating Drop is an anti-aging night serum that helps reduce the appearance of fine lines and wrinkles and repair damaged skin. The main ingredients, EGF and bFGF, are high-quality peptides known for their effects in delaying aging, speeding up skin regeneration, strengthening the skin barrier, helping the synthesis of collagen, hydrating skin, and making the skin firmer and more elastic.