From Chemistry to Art
Understand how hair absorbs color, master the level system, learn developer and lift, choose between permanent and semi-permanent formulas, apply safely, bleach and tone, correct color mistakes, and build a hair coloring business.
L'Oréal Professional Research Lab
How Color Lives in Hair
Wella Professionals Academy
The Level System
Joico Color Institute
Tones, Undertones & the Color Wheel
Schwarzkopf Professional Academy
Developer & Lift
Paul Mitchell Schools
Permanent, Semi, and Demi
American Board of Certified Haircolorists
Safety First — Skin Tests & Strand Tests
Redken Academy
Root Application & All-Over Color
Pravana Color Lab
Bleaching & Lightening Safely
Kenra Professional Studio
Toning & Corrective Color
Professional Beauty Association HQ
Building a Hair Coloring Business