Yes, KOLORA contains ammonia. This ensures perfect coverage of white hairs which is hard to achieve with ammonia-free hair colour formula.
If your natural hair colour is between light blonde and dark blonde, you can lighten your hair by up to 2 shades using 7.0 Kolora Natural blonde, 7.65 Kolora Almond blonde, 8.0 Kolora Golden blonde, and 9.8 Kolora Ash blonde, or by up to 3 shades using 10.2 Kolora Pearl blonde.
When rinsing your hair from the dye, it has the properties of a shampoo. Therefore it is not necessary to use a shampoo. After rinsing the hair colour, apply the restoring conditioner to protect and fix the colour.