This Peter Thomas Roth 4-Piece Black and Gold Skincare Set drops from $65 to $32.50 to $29.25 when you enter promo code FRIEND at checkout at Macys.com. Plus it ships free. This is the lowest price we found by $17. This set includes a mud-purifying cleansing gel, a mud-purifying black mask, a gold lift and firm cream, and a gold lift and firm mask. Sales tax is charged in most states.