Sonya Dakar's Retinū serum is a skin renewal game changer. This retinol serum works to smooth and brighten skin, while targeting fine lines. Regular use of Retinū allows moisturizers to penetrate deeper into the skin. It improves the look and texture of skin, reducing the appearance of discoloration, wrinkles, and uneven skin tone. Give skin a youthful glow with this multi-tasking serum.