Wherever oils and waxes are mixed water emulsifiers are used, with the objective of obtaining a stable mixture that lasts.Įmulsifiers are surface-active agents which means that they float within the interfaces between aqueous and oily phases and thus form links - the essential precondition for emulsifiers. Under normal circumstances, oil and water cannot be mixed without a substance that blends the two phases. A small amount of oil into a large amount of water. (Typical use: moisturiser)Ī moisturising cream is a mixture of water and oil substances and is referred to as an oil and water-based cream O/W. Oil in water emulsions are usually the most common in formulations due to lower production cost, ease of application and light texture. These newer creams known as Oleogels are becoming popular for the barrier disordered skin.
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