There are three categories of acyl amino acids and salts, which are anionic surfactants. Acyl glutamates Acyl peptides Acyl sarcosides Acyl glutamates are created by the acylation of glutamic acid, a naturally occurring amino acid. They are poor foamers but very gentle cleansers that are mild to the skin and eyes, and are generally used...

Phosphate esters are a category of anionic surfactants that include alkyl phosphates and alkyl ether phosphates. We don’t use phosphate esters in our bath & body products much as they are generally used in household cleaning products due to their low pH. They are very mild to the skin and might show up in facial...