Matrix Biolage Color Bloom Mask protects your hair color from becoming dull adds shine and replenishes your hairs moisture. When caring for your hair or creating a daily hair care routine it is always important to keep certain things in mind. Wash hair less often. Over washing can cause dryness dullness irritate scalp and breakage. Use gentle shampoos that are sulfate free or that use mild sulfates. Unless you have oily hair which sometimes requires a deeper cleansing. Use a daily hair conditioner and weekly hair mask to treat any special area of concern with your hair such as dryness breakage color protection volumizing.