Get flawless skin in a flash with PHAs, the no-downtime exfoliating acid and key ingredient in Ole’s first one-step at-home facial. What makes PHAs so special? They’re fat, literally. Like AHAs, PHAs deliver skin-perfecting, age-fighting results, but PHAs are just a little “plumper.” They’re a bigger molecule, so they don’t go as deep as they loosen up the “glue” that binds the surface layer of skin together, and reveal the newer, fresher skin underneath.