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Function of Beauty's custom haircare line allows you to create a mix of shampoo and conditioner for your unique hair type, hair moisture level, and hair goals. Mix in the Strengthen Hair Goal Booster Shots into your Function of Beauty Shampoo and Conditioner to help support weak or damaged hair against future breakage. Formulated with Pea Sprout, the Strengthen Hair Goal Booster Shots help support hair's natural elasticity and resilience. There are 2 Hair Goals in every pack to fit all your personal hair needs. Function of Beauty Strengthen Hair Goal Booster Shots are 98% naturally-derived (per ISO 16128), silicone-free, cruelty-free, and 100% vegan. These booster shots are fragrance-free. The cartons are 100% recycled and recyclable.