Sodium c pareth carboxylate (inci)

"Sodium" refers to the element sodium.
Sodium C pareth carboxylate denotes substances which are used in cosmetic formulations and act as emulsifiers (surface-active substance which is used in cosmetic preparations as an additive to combine two immiscible liquids - e.g. oil and water - to form an emulsion) and surfactants (washing-active substance).

Among the representatives are:

sodium C9-11 pareth-6 carboxylate sodium
C11-15 pareth-7 carboxylate sodium
C12-13 pareth-12 carboxylate sodium
C12-13 pareth-5 carboxylate sodium
C12-15 pareth-6 carboxylate sodium
C12-15 pareth-7 carboxylate sodium
C14-15 pareth-8 carboxylates