S-PRO Cream Peroxide 1.9% / 6 Volume 1L

S-PRO cream developer at 1.9% / 6 volume, supplied in a 1-litre bottle. A lower-strength option within the S-PRO developer range. It must be selected and mixed according to the compatible hair-colour system’s instructions; it is not interchangeable with the 3% or 6% listings.