With Vero K-Pak Color, create vibrant color while repairing and protecting your hair. Your haircolor will last and the condition of your hair will be improved, thanks to the K-PAK Technology that repairs the hair from the inside out. Healthier hair allows for color to penetrate faster and deeper.Features Permanent haircolor. Intermixable truetone shades with identical bases for customizable shades. Protects hair integrity. Water-soluble formula for easy mixing. K-PAK Technology to reconstruct the hair. How to Use Lighten the hair to desired level. Section the hair, then apply product on roots and lenghts. Process until end result is achieve. Rinse thorougly, wash and condition the hair. This product is intended for use by qualified persons only. Use by non-licensed persons may result in unsatisfactory performance. Mat&Max will not be held responsible by anyone who buys and/or use this product in breach of this warning. Hair color related products, such as demi-permanent colors, permanent colors, toners, peroxides and bleaches may cause allergic reactions, which in rare instances can be severe. Conduct hypersensitivity and allergic patch test 48 hours prior to each application. Read and follow instructions carefully. These products must not be used on eyelashes or eyebrows. To do so may cause blindness. Wear suitable gloves. Keep out of reach of children.