Goldwell Bondpro + Protection Serum 1 16.9 Ounce 500 Milliliters Bondpro+ offers exceptional hair quality hair after lightening, coloring, and texture services. This delivers superb results without compromising color lift. Easy to use two-step application using your current developer and without longer processing time *This is a professional product and should be used only by a trained individual. Seller is not liable for any adverse outcome resulting from the use of this product.