This deal has ended.
20 ampoules (0.02 oz each) of Go Smile B1 Teeth Whitener, originally $89, drop from $39 to $27.30 with code HELLO30 at GOSMiLE.com. The same code takes 30% off other whiteners through 5/28, and is the best deal we've seen from Go Smile this year. Shipping adds $8.95. There is no sales tax (except CA and MI).