How to choose the peroxide cream:
10 vol. (3%) tone on tone or darker tones;
20 vol. (6%) 1-2 lift levels;
30 vol. (9%) 2-3 lift levels;
40 vol. (12%) over 4 lift levels.
For Megalifts: 30 vol. (9%) to lift 3 levels. 40 vol. (12%) to lift 4-5 levels.
Pour 50 ml. ( 1/2 tube) of Nouvelle Hair Color in a bowl. Add 50ml of peroxide (10, 20, 30 or 40 vol.). Mix until a homogeneous cream is obtained.
N.B. The dilution with Ultralifts and grey shades is 1:2
Begin the application from the new growth; leave 30 minutes. Once the development time is over, pour a small quantity of warm water on the hair and emulsify the colour with a gentle massage. Rinse with plenty of water. Finish with a suitable shampoo.