The wide range of protocol products includes an extensive selection of AHA formulations and forms including creams, lotions and gels containing increasing concentrations of Glycolic Acid for ???step-up??? dispensing.DCL Dermatologic Cosmetic Laboratories Categories:DCL Cleansers | DCL Toners | DCL Eye Care | DCL Moisturizers | DCL Masks | DCL Treatments | DCL Sun | DCL Peptide Plus | DCL AHA Treat