Acid Wave Perms: The Complete Professional Guide | Techniques, Benefits & Aftercare
In the ever-evolving world of hair styling, acid wave perms represent a significant advancement in permanent wave technology. Unlike their traditional alkaline counterparts, acid waves are a sophisticated chemical service that operates at a lower, more hair-friendly pH level, typically between 4.5 and 7.0. This fundamental difference marks them as a gentler yet equally effective…