Super Probiotic-6(SP-6) is known for brightening teeth and remove stains,while Super Probiotic -8(SP-8) is known for whitening of teeth.They have an oral microbiota strength . Helps keep teeth clean ,fresh minty breath,daily protection for the whole family and gives your mouth a refreshing feeling all day . Make Sp-6 and Sp-8 part of your daily routine and smile with confidence .