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Our warehouses will be closed Monday 9/2 in observance of Labor Day. Order processing will resume Tuesday 9/3.

artists tips
Try adding 20-50% of a shade that is one level darker to your formula. For finer hair texture lowering the Welloxon Perfect Developer strength may work.
Switch to XX/0 intense resistant cover shades instead of X/0. Alternatively, add 20-50% of a shade that is one level darker. Use the maximum development time: 40 minutes OR 25 minutes with a Climazon
Add 20-50% of our new /1 ash shades, they are slightly more intense to boost the pure ash tone. With darker levels, the /2 shades are matte and designed to neutralize warmth.
Add 20-50% of a shade that is one level lighter to your formula.
Add some tone to your formula, e.g. instead of 7/0 on its own, try using 7/0 + 7/31. This will allow a more natural expression of the shade with still up to 100% gray coverage.
Previous Results for... Replacement Formulas and Shades Using Koleston Perfect ME+ and Welloxon Perfect
Koleston Perfect 7/1 15g 7/1 + 15g of 7/01 + 30g developer
Koleston Perfect 7/01 24g 7/01 + 6g of 7/0 + 30g developer
Koleston Perfect 8/7 24g 8/7 + 6g of 8/97 + 30g developer*

*For a deeper result, reduce Developer %/Volume

Koleston Perfect 9/73 15g 9/73 + 15g of 8/3 + 30g developer
Slightly reduced intensity of x/43 shades 15g x/43 shade + 15g x/03 + 30g developer
More mauve tonal result for x/7 shades Add a small amount of0/65 to your x/7 shades*

*Results will vary depending on level and amount of Special Mix

Discontinued Koleston Perfect Shades Replacement Formulas and Shades Using Koleston Perfect ME+
12/17 Special Blonde/ Ash Brown 12/07 +12/1 (15g + 15g)
8/ Light Pure Blonde 8/0 + 8/07 (15g + 15g)
7/4 Medium Blonde/Red 7/43 + 0/44 (10g + 1g)
7/ Medium Pure Brown 7/0 + 7/07 (15g + 15g)
6/4 Dark Blonde/Red 6/43 + 0/44 (10g + 1g)
6/ Dark Pure Blonde 6/0 + 6/07 (15g + 15g)
5/46 Light Brown/Red Violet 55/46 + 5/0 (30g + 10g)
5/4 Light Brown/Red 5/0 + 0/43 (10g + 1g)
5/ Light Pure Brown 55/0 +5/07 (20g + 10g)
4/6 Medium Brown/Violet 4/0 + 44/65 (15g + 15g)
4/ Medium Pure Brown 44/0 + 4/07 (20g + 10g)
0/45 Red Red-Violet 0/44 + 0/65 (15g + 15g)
Discontinued Koleston Perfect Innosense Shades Replacement Formulas and Shades Using Koleston Perfect ME+
10/88 10/8
6/17 Rich Natural 6/0 + 6/7 (10g + 20g)
5/7 4/77 + 6/7 (10g + 20g)
4/17 Rich Natural 4/07