The Herbivore Blue Tansy AHA BHA Resurfacing Clarity Mask is a natural clarifying and cooling gel mask that helps to smooth the complexion making it ideal for acne-prone skin types. The star ingredient, blue tansy extract, is powered by azulene, a powerful anti-inflammatory and antibacterial agent. White willow bark and aloe leaf, blended with potent fruit enzymes, gently exfoliate and decongest pores for clearer, softer skin.