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Sodium Cocoyl Isethionate is a mild and gentle solid surfactant derived from coconuts. It has been in use for a number of years but more recently has become well known due to the increasing popularity of solid shampoo bars also known as Syndet Shampoo Bars.
As SCI Solid Surfactant has limited solubility in water it may recrystallise if used in a liquid shampoo.
SCI Solid Surfactant performs well in hard water areas and is biodegradable. It has a minimum of 82% active ingredient and a pH of 6 so formulae do not usually need pH adjusting.
The individual materials that make up Sodium Cocoyl Isethionate are listed on the Cosmetic Ingredient Database (Cosing) and can be found here.
Primarily used in rinse off cleansing products.
Use up to 50% as a primary surfactant in Syndet Shampoo Bars.
For liquid shampoos a ratio of 3 Beta T to 1 SCI is suggested.
Use 1% to 50%.
Heat stable. Melt chips combined with secondary surfactant such as Beta T, in a double boiler over low, consistent heat, stirring repeatedly. We have found it can take some considerable time to melt the chips as they are fairly thick.
SCI Solid Surfactant can be ground in a coffee grinder to break up the chips and make them easier to melt.
When working with SCI Solid Surfactant wear a proper safety mask and do not breathe in the dust as this can irritate the mucous membranes.
My favourite!!!! Highly recommend it!
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Happy with my product and with my formulation.