Karuna - Hydrating Mask for Restoring & Retaining. Natto, a Japanese Soybean, helps to retain skin's natural moisture levels as it exfoliates to reboost dehydrated and dull skin. All Karuna masks contain a custom blended Beauty Boost. Plant extracts, peptides and anti-oxidants help to renew, hydrate and nourish, bringing care and compassion to all skin types. All-natural fiber cloth retains 50% more moisture than synthetic, helping pores fully dilate and drink in the paraben-free beneficial ingredients. Made from bio-degradable wood pulp, our cloth is truly a green and luxurious alternative.