REVLONISSIMO High Performance # 6,4 from Revlon is a permanent coloration enriched with Hyaluronic Acid and Soy Protein, which enjoys high coverage and fabulous durability. This range of dyes offers high performance in color, gloss and care, since after use: Colored hair is up to 2 times brighter than natural hair. Colored hair improves its strength, and is 2 times more resistant to breakage than before coloring. The hair is perfectly dyed with full coverage of gray hair. Its formula protects and cares for the hair, sealing the cuticle and the ends, thus facilitating brushing and detangling, both in wet and dry hair. Flavored with a pleasant fragrance, this color immerses us in a unique sensory experience.