Amazon has the 1.76oz Mederma Advanced Scar Gel on sale for $21.30 - 5% off with Subscribe & Save (can cancel anytime) - 20% off coupon (check “Save an extra” box, eligible on first S&S order for this product) = $16 with free shipping on $25+ or with Prime.  $21 at Walmart, $28 at Walgreens.