Laboratory-tested soap pods created to be exclusively used with TAO Clean Sonic Makeup Brush Cleaner Dissolves in water, leaving behind gentle suds that thoroughly cleanse brushes of makeup and oil Cruelty-free/vegan soap solution won’t damage or dry out brushes Free of fragrance, dye, phosphates, and chlorine Each pod can be used through multiple cleaning cycles Brushes are gently and thoroughly cleaned – not just the tips, but also in between bristles