Sale Peter Thomas Roth Peter Thomas Roth Therapeutic Sulfur Mask 5 oz $53.00 $42.40 Maximum-strength 10% sulfur clay mask that clears acne & unclogs pores The Goodbye Acne Therapeutic Sulfur Mask is a medicated, clay-based wash-off mask created to tackle active breakouts and help prevent new blemishes from forming. Powered by... Choose Options Add to Wish list Compare