PLUMP Collagen Boost Mask Give your skin the boost it needs. These sheet masks provide a concentration of expertly curated ingredients that will deliver results in a flash! The PLUMP Collagen Boost sheet mask has an instant smoothing and plumping effect. Herbal extracts brighten & maintain skin health. Collagen & peptides improve skin elasticity. Paraben free. Not tested on animals. Pixi was created 20 years ago by makeup artist Petra Strand. Pixi has a loyal worldwide following thanks to high quality, natural and skin-loving ingredients utilized for both makeup and skincare. Petras passion is to create beauty products that achieve a healthy-looking, natural glow in no time. The now iconic Glow Tonic was created as the perfect skin-prep before makeup, and continues to make women look themselves, only better.