The translucent gel formula gives your hair a blonde shade with luminous cool reflects and intensifies the natural nuances of your hair colour. Discover the unique cool blondes of Préférence with light-reflecting dyes, for a luminous and sophisticated colour. With Anti-Brass Purple Mask, a nourishing finish with small dyes to neutralize yellow undertones, week after week. Apply the mask to keep your blonde cool for up to 6 weeks. Secure payment with Visa or Mastercard.