More than perm products designed based simply on hair damage level, the PERPETUAL professional perm series calculate precise formula to match different nature and texture of hair stage by stage. From coarse to thin hair, soft to hard hair, or even natural curly locks, select perming lotion accordingly with different damage levels; mix different perming lotion among TG, CA+, CA and SP to expand perming formulation. Thanks to our damage leveling system, the detriment caused by perming can be further minimized. For excessive use of perms and hair bleaching cases, opt for perm series to reach an eminent improvement of hair quality, and permanently lessen the harm that perming process’s done to the hair.