New in sealed box SmileKit V34 color correcting foam. 1.5 fl oz. Special Purple Toothpaste Foam That Is Easy To Use: Gently shake to ensure the formula is combined, apply four pumps directly to your mouth, and swish for 30 seconds to achieve a brighter smile for the day. To achieve better results, you can brush your teeth with purple whitening toothpaste foam for 1 minute.