Zelens PHA+ Bio Peel Resurfacing Facial Pads If you're looking for some pads that are a little more luxurious, try Zelens PHA+ Bio Peel Resurfacing Facial Pads (£65). These are formulated with AHA and PHA's for the ultimate multi-functional exfoliation. Zelens Face Scrubs & Exfoliants from click.pump.to Buy Now