How to choose an emulsifier? Ceteareth-20 or Ceteareth-25? For O/W emulsions, first understand the HLB value.
To create an O/W emulsion with a smooth skin feel and stable consistency, the choice of emulsifier is often the key to the success of the formula. Even though Ceteareth-20 and Ceteareth-25 are both hydrophilic non-ionic emulsifiers with …