N,N-bis(hydroxyethyl) cocamide can be used as surfactant. Coconut oil acid is a light yellow to amber viscous liquid, easily soluble in water, Coconut oil acid with good foaming, foam stabilization, penetration and decontamination, and resistance to hard water.Coconut oil acid can be used as additives, foam stabilizers, foam aids, mainly used in the manufacture of shampoos and liquid detergents. Coconut oil acid forms an opaque mist-like solution in water, which can be completely transparent under a certain stirring.