Loreal Dia Light Professional Hair Color 7,23 Irisendent Gold Blonde 1.7 Ounce 50 Milliliters Loreal Dialight is a semi permanent tone on tone, ammonia-free gel cream colour that has been perfectly adapted for coloured hair. New acid technology which provides ultimate condition, luminous colour and vinyl shine. This is great for offering a colour refresh to top up the vibrancy of your colour in between your usual permanent colour services. This should be mixed in a 1 to 1.5 ratio, Diactivateur 6, 9 or 15 volume. Development time of 20 minutes. *This is a professional product and should be used only by a trained individual. Seller is not liable for any adverse outcome resulting from use of this product.