Chemical peels will always be a staple in every esthetician’s arsenal. Thankfully, acid formulations have come a long way since the first phenol-derived peels were used in the late 19th century. Acids today are derived from a host of natural ingredients, such as flower and fruit acids. Couture peels are crafted with precise acid combinations to target multiple concerns with minimal downtime. With so many innovations, it’s our job to stay current on this old-school treatment.