According to L'Oréal inventors, to impart a sense of softness and emollience in cosmetics, o/w or w/o emulsions are used. O/W emulsions are usually preferred since they have an aqueous external phase, which gives emulsions a lighter, fresher feel on skin. Many such compositions have been developed, but they can be difficult to apply and do not feel smooth.
Patent Pick: Smooth Moves to Attack Tacky Cosmetics
Jan 25th, 2017