Sparks Developer is specifically designed to be used with Sparks powder lightener. This gentle formula quickly lightens while maintaining the integrity of the hair. So, you can get to your desired shade without all of the damage. Sparks Hydra Lightening line is perfect for anyone who is looking for a lift in their color or wants to go pastel or bright. We offer a full spectrum of lightening products so you can achieve your perfect shade with ease. Keep it light and fun this season. The superior lightening formula imparts conditioning agents, protecting the hair as it lightens. SPARKS Lightener€s blue/violet base easily achieves the desired tone with zero brassiness. So, you get a bright and natural look with your blonde. When you€re looking to go from a dark color to something bright, vibrant, or pastel, your first step is to lighten. To achieve maximum color vibrancy and durability hair must be pre-lightened to the desired level. Check out the lightening guide on the Sparks website for the perfect color every time. Package contains (1) Sparks 20 Vol. Cr¨me Developer (3 fl. oz., 90mL). Designed to be used with Sparks powder lightener. Lighten while maintaining the integrity of the hair.