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Potassium cetyl phosphate in natural formulations

Schill+Seilacher discuss a remarkable material, which does not always behave as expected

Simple rules of science are sometimes in conflict with experimental results. Wellknown models do not always describe the mechanisms of real systems.

Potassium cetyl phosphate (PCetP) is such a material in which several rules are broken when it is used as emulsifier. HLB estimation methods1 would not predict that this anionic surfactant is an effective emulsifier. Macroemulsions based on it are remarkable in terms of their long-term stability and they show an extraordinary degree of robustness.

PCetP is neither water- nor oil-soluble as it tends to build-up natural membranes at interfaces. A synergism can be achieved when using long chain fatty alcohols as a partner. Valuable gel-like emulsions can be obtained in a natural way due to the formation of lamellar structures. This is similar to what is known about the essential role of phospholipids for living cells.

As shown in Figure 1, common anionic surfactants, like sodium lauryl ether sulfate, sodium

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Upcoming Events

Testing of Personal Care Formulations

Burlington House, London
Thursday 17th March 2022

in-cosmetics Global 2022 - Paris

1 Pl. de la Porte de Versailles, Paris
5 - 7 April 2022

NYSCC Suppliers' Day 2022

Javits Center, New York
3 - 4 May 2022

in-cosmetics Korea 2022

Hall C, Coex, Seoul, South Korea
13 - 15 July 2022

PCHi China 2022

Shanghai World Expo Exhibition & Convention Center
18 - 20 July 2022

32nd IFSCC Congress

Park Plaza Hotel, Westminster
19-22 September 2022

Access the latest issue of Personal Care Magazine on your mobile device together with an archive of back issues.

Download the FREE Personal Care Magazine app from your device's App store

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