Wella koleston innocence for vibrant permanent colour formulated to reduce the risk of developing allergy whilst delivering the same great results you have come to know and trust with koleston perfect. The only colour brand with revolutionary me+ molecule. Innocence has a pleasant summer blossom fragrance and is as easy and simple to use as normal koleston perfect, using the same numbering system and development times and being intermixable. What else you need to know: they literally reshaped the traditional hair dye molecule to make it less likely to cause an allergic reaction but without losing any of the colour vibrancy and coverage that clients demand.