Isntree - Hyper Retinol EX 1.0 Serum - BINB An anti-aging serum that contains 1% Retinol EX to reduce the appearance of fine lines and wrinkles. Formulated with 5 kinds of Peptides to strengthen the skin barrier and improve skin firmness, as well as 5 kinds of Ceramides to strengthen the skin’s moisture barrier to prevent moisture loss, Contains TECA to protects skin and reduce skin inflammation. The lightweight, milky formula is fast-absorbing.