Isomers 98% PUR Snail Serum Concentrate 0.51 fl oz Helps reduce the appearance of imperfections by supporting normal cell turnover while optimizing the look of skin elasticity. Visible Pore minimizer. Visibly reduces and refines the look of enlarged pores through its exfoliating peptides. Skin refiner. Gently exfoliates by targeting and eliminating dead skin cells; this in turn helps to refine skin texture, reduce dryness and helps reveal luminous, younger-looking skin.