Function of Beauty Soothe Scalp #HairGoal Booster Shots moisturize and energize your scalp to soothe skin, reduce buildup, and help prevent flakes. Meet your hair’s unique needs by adding up to 3 #HairGoal Booster Shots into your Function of Beauty Shampoo, Conditioner, Co-wash, Mask, and/or Leave-in Conditioner.