Haus Laboratories by Lady Gaga: PhD Hybrid Lip Oil Stain in Hue The Haus Laboratories by Lady Gaga: PhD Hybrid Lip Oil Stain in Hue ($24) a gorgeous sheer berry colour that brings out a bolder, more vibrant colour. It's one of my favourite shades in the range. Image Sources: amazon.com and POPSUGAR Photography / Anvita Reddy Haus Laboratories by Lady Gaga: PhD Hybrid Lip Oil Stain in Hue $24 from amazon.com Buy Now