Beauty that starts with a smile! Make My Day Boosters is an exclusive in-salon service that has intensive nourishing properties. Each booster is formulated for specific hair needs can be combined with the make my day nourishing milk mask for a delicious, extra nourishing sensorial experience. milk_shake make my day blueberry booster is a hydrating serum with blueberry. The additional prickly pear active ingredient gives hair protection and nourishment. It is an exclusive in-salon treatment that has intensive nourishing properties. It is ideal for lightened or color-treated hair. When combined with the make my day nourishing milk mask, the blueberry protects and strengthens color-treated or lightened hair.