gluten-free purple shampoo....Shimmer Lights is gluten-free so your good there. I like Pravana (ALL the yucky stuff is gone including Sulfates and Parabens but its pricey), and TIGI Dumb Blonde has good reviews. I verified all these on Skin Safe (also has an app to scan barcodes which helps so much when shopping or checking products at home.) Skin safe is...