Understanding Hair Color Techniques: Single vs.Double Process
Understanding hair color techniques: Single process involves one-step coloring, ideal for subtle changes. Double process uses two steps—lightening then toning—for dramatic transformations like platinum blonde or vibrant shades.
https://smallpdf.com/file#r=annotate

File shared on Smallpdf
smallpdf.com

File shared on Smallpdf

Click to open this document on Smallpdf—or use our 30+ free PDF tools to compress, merge, edit, and more!