Sealed new bottle of La Roche-Posay Glycolic Acid B5 serum with 10% glycolic acid and vitamin B5. This lightweight glycolic acid serum, suitable for multiple skin tones, helps reduce the look of dark spots and discolorations and reveals brighter, more even looking skin. This serum combines concentrated 10% pure glycolic acid, tranexamic acid (TXA), lipo-hydroxy acid, and vitamin B5 for optimal effectiveness while also being suitable for sensitive skin. Retails for $50. comes with dropper.