Buffered Glycolic products
Dr. Loretta's answer: All of our glycolic products, except for our 35% Professional Glycolic are partially buffered. The FDA requires that glycolic products that are for at-home use must be buffered/"neutralized" to a pH of 3.5 or higher, and all of our at-home glycolic products are at a pH of ~3.5. The pH of 3.5 means that they are as acidic as allowed by law and this helps to define them as a medical grade product. The low pH results in a greatly increased cell renewal rate and therefore more exfoliation and faster clinical response. The products in this category...