3-STEP BOND ENFORCING: The 3-step Bond Enforcing System creates bonds and strengthens hair, leaving your hair 5X* stronger after using this hair dye kit (*against combing breakage on damaged vs untreated hair) | FEELING SOFT AND SMOOTH: This professional hair dye leaves hair looking and feeling healthy, while also maintaining curl pattern for all hair textures | STRIKING COLOR: The hair color cream delivers long-lasting vibrant color. Enjoy rich, even color and for up to 8 weeks (based on 5 shampoos per week) | EASY APPLICATION: A precision applicator allows easy use of this permanent hair dye color. This hair color kit includes a pre-color serum containing vitamin B6 and collagen, and primes the hair for an even color result | PROFESSIONAL QUALITY: Professionally-inspired hair color for women developed with professionals, this formula creates visibly healthy-looking hair in one application and provides up to 100% gray coverage