Philosophy The Microdelivery Triple-Acid Brightening Peel, 12 Ct by Philosophy. The individually wrapped, pre-saturated chemical peel pads are designed for weekly use, delivering advanced skin-brightening and antiaging benefits. The triple-acid formula contains mandelic, phytic, and azelaic acids that dissolve and sweep away dead skin cells to help improve skin tone, and help buffer the look of fine lines. Retails for $70. Great value.