Redken Shades EQ organizes shades as two digits + letters:
- Level (01-10): Two digits for depth. 03 = dark brown, 09 = very light blonde.
- N = Natural
- T = Titanium (cool ash)
- V = Violet
- G = Gold
- C = Copper
- RB = Red Brown
- NB = Natural Beige
- WG = Warm Gold
- P = Pearl (iridescent)
Shades EQ is an acidic demi-permanent gloss (low pH): it only deposits color, delivers extreme shine, and equalizes porosity. It is the go-to toner for blonde specialists.