BETADET® S-20 and BETADET® SHR are recommended as secondary surfactants for very mild and high foaming products, achieving higher foam volumes than alkyl betaines or alkyl amidopropyl betaines. These products are easier to thicken when combined with SLES, thus reducing the amount of electrolytes needed to obtain a desired viscosity compared to other amphoteric surfactants.
Hydroxysultaines show excellent stability at extreme pH’s thus allowing their use in cosmetics formulations were alkali (i.e. depilatories) or acid media are necessary. Both products are also very stable to hard water, improving the behavior of some sensitive anionic surfactants under extreme conditions.
Additionally, BETADET® S-20 shows a highlighted ability to reduce the freezing point of final formulations making them more stable at low temperatures, which helps to obtain clear stable final products.
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