AMEX: $15 cash back on $75 purchase at Estee Lauder by Kathy // 06/23/2016 // Comments off Check your AMEX card to see if you have $15 cash back on $75 purchase at esteelauder.com. Offer ends 9/23. I don’t see gift card purchase is excluded in Terms. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Pocket (Opens in new window)Click to email a link to a friend (Opens in new window)