Peter Thomas Roth is celebrating 12/12 Double's Day with 24K Gold Mask 1.7 fl oz for $18, a $58 retail value. Use code: GOLDX2 at checkout. Free shipping in US with $50. The ultimate luxurious anti-aging treatment, this rich mask is infused with Pure 24K Gold and Colloidal Gold to help improve the appearance of firmness and impart an opulent glow. Known from the time of Cleopatra to have powerful anti-aging benefits, 24K Gold helps firm, lift, brighten and calm the appearance of skin.