Get 50% off this selection of Peter Thomas Roth skin care items at Macys.com. The purchase of one of these products qualifies you for free shipping on your entire order. Choose from nine items, including this 2-Piece Must-Have Skin Care Set, which drops from $15 to $7.50. It includes a peeling gel exfoliant and a cleansing gel. With free shipping, this is the lowest price online by $7. Also, this Double Drench Set, which is valued at $27, drops from $24 to $12. It includes a cream cleanser and moisturizer. We couldn't find it for less than $24 anywhere else. Sales tax is charged in most states.