A textbook-depth ebook covering color theory, coloring and bleaching chemistry, perming, and equipment sanitation — written for cosmetology students and working professionals alike.
The color wheel, primary/secondary/tertiary colors, complementary neutralization, hue/value/tone/intensity, and the universal 1–10 level system.
Cuticle, cortex, and medulla; eumelanin vs. pheomelanin; disulfide, hydrogen, and salt bonds; and why pH controls nearly every chemical service.
Temporary, semi-, demi-, and permanent color; how oxidation actually works; the role of ammonia; developer volumes; patch and strand testing.
Persulfates, the stages of decolorization, toning theory, bond-building additives, and damage/safety considerations.
Waving lotion and neutralizer chemistry, why each reagent is used, rod size and curl result, and relaxer basics.
Cleaning vs. sanitizing vs. disinfecting, EPA-registered disinfectants, autoclaves and UV cabinets, and per-tool protocols.