Collagen and Retinol Serum This unique concentrated formula of collagen, retinol and vitamins helps reverse the signs of aging by restoring natural plumpness and elasticity to the skin. This youth preserving serum softens fine lines, while strengthening and reviving skin's natural radiance. Acacia collagen plumps and boosts elasticity. Peptides firm skin, while chamomile soothes. 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. Petra’s 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.