Matrix Color Sync 5WN Demi-Permanent Color Light Brown Warm Natural Matrix ColorSync offers shimmering shades, boosters and a clear enhancer to deliver consistent, seamless results. Color Sync is the first tone-on-tone colour with a patented ceramide conditioning complex. This provides seamless, brilliant colour result with fantastic shine and condition. This helps to use your creativity by mixing various shades. *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.