Amazon cuts $1 off a selection of Biore products when you clip this coupon. Plus, some are available for order via Subscribe & Save, which takes an extra 5% off and yields free shipping.
A best bet is the Biore Ultra Deep Cleansing 24-Count Pore Strips (pictured) for $7.31 after the above discounts. With free shipping, that's the lowest total price we could find by $7.
Be sure to cancel Subscribe & Save once your order ships to avoid being billed for subsequent shipments.