A Carbomer is a homopolymer of acrylic acid, which is cross-linked, or bonded, with any of several polyalcohol allyl ethers. Usually appearing as a white powder, the compound is used as a thickener and emulsion stabilizer. Best known for its use in the cosmetic industry, it also has practical applications in medicine and hygiene. Many agencies consider the various types to be perfectly safe, although some of the substances used to neutralize their pH can be problematic. 更多
