What are makeup sponges usually made of? - Quora
Answer (1 of 2): makeup sponge are usually made of LATEX(NBR,SBR,NR) or HYDROPHILIC POLYURETHANE (PU). What are the difference between latex and non-latex hydrophilic polyurethane? 1. Some people allergic to latex, hydrophilic PU is nonallergenic. 2. Latex has …