Sensodyne Pronamel 4-oz. Gentle Teeth Whitening Enamel Toothpaste 4-Pack for $19 w/ Subscribe & Save + free shipping w/ Prime

Amazon offers this Sensodyne 4-pack for $18.52 via Subscribe & Save. That's at least a buck less than you'd pay for the same quantity in stores. Shipping is free for Prime members. Buy Now at Amazon