Scruples Design Base BB Creme Style Primer 2.5 oz What it is: Finally, a style primer that preps hair for any look and protects against frizz! Scruples' new style primer, Design Base BB Creme for Hair is a leave-in beauty balm designed to prep and protect hair prior to styling. What it does: It also helps repair split ends, smooth the cuticle, add shine and act as a thermal protectant. This gluten-free formula is color safe and works with all hair types.