Natura siberica lab biome balance booster peel off face mask for blemish-prone skin amazing 3-in-1 mask for combination skin prone to blemishes. gives a feeling of radiance, comfort and softness to the skin, balancing it with its life-saving ingredients. tightens pores, deeply cleanses & eliminates shine. use apply a thin layer to clean, dry skin, avoiding the eye and lip areas. leave on for 15 to 20 minutes, until dry, then peel off the mask to remove.