Lazartigue Permanent Color 1.00 is an ammonia-free permanent color with botanical extracts. It is formulated with professional pigments for an absolute expression of color and shine It is a coloring with active ingredients that nourish, hydrate and protect the fiber. Thanks to its high concentration of professional pigments, it offers an absolute expression of color and an incomparable and long-lasting shine. Its vegan formula enriched with rice milk and meadow queen oil protects and intensely nourishes the fiber. The result: a professional and natural color that covers 100% of gray hair. It is recommended for 1st application on non-colored natural hair: Apply the pre-shampoo serum on dry hair, not previously washed. Subsequently, apply the mixture to the roots with the tip of the applicator, separating the hair line by line with the tip of the applicator. Then distribute the rest of the product over the entire hair, carefully massaged. Leave on for 35 minutes. Pour some warm water over your hair and massage lightly to emulsify. Rinse well with warm water until the water runs clear. No need to shampoo afterwards. To finish, apply the nourishing mask leaving it current for 5 minutes. Then rinse with plenty of water. For the 1st Application on hair already colored to touch up roots: Apply the pre-shampoo serum on dry hair, not previously washed. Subsequently, apply the mixture to the roots with the tip of the applicator, separating the hair line by line with the tip of the applicator. Leave on for 25 minutes. Then distribute the rest of the product on the lengths, if necessary, to recharge them with color. It is not recommended to apply on the ends to obtain a homogeneous result. Let act for 10 minutes. After the indicated time (35 minutes in total), pour a little warm water on your hair and massage lightly to emulsify. Rinse well with lukewarm water until the water runs clear. No need to shampoo afterwards. To finish, apply the nourishing mask leaving it current for 5 minutes. Then rinse with plenty of water