Achieve salon-quality color results with Clairol Shimmer Lights Cream Developer 10 Vol. This professional-grade formula is specially formulated to work seamlessly with Shimmer Lights shampoos and toners, delivering vibrant, long-lasting color while maintaining hair health. The 10 volume strength provides gentle yet effective processing, making it ideal for subtle toning and color refreshment. With 3.6 fl.oz per bottle in this convenient 4-pack, you'll have reliable developer on hand for multiple applications. Trust the brand professionals depend on to enhance your color-treated hair with stunning shine and dimension.