Our formula not only tones hair, but also gives it a revitalizing shine, increases elasticity, restores moisture and provides a barrier that helps protect hair from environmental damage. – Violet toner counteracts yellow and brassy tones. – Silver toner is true to tone. – Natural toner gives sun-kissed, lightened tones and shine. – Extends the life of color. – Tones hair in 5 minutes. – Vegan and cruelty-free. HOW TO USE: In a non-metallic bowl, mix toner and developer in a 1:2 ratio using 6 or 10 parts. Apply to damp or dry hair. Works in 5 minutes or less. For deeper pigment, process up to 15 minutes. To minimize color buildup, change ratio to 1:3 or 1:4. Shampoo and rinse thoroughly.