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Good question! Because we produce in the EU we need to list all ingredients. The sodium hydroxide is a Ph stabilizer commonly used in low doses in cosmetics. It
by c1sc0 5y ago
Good question! Because we produce in the EU we need to list all ingredients. The sodium hydroxide is a Ph stabilizer commonly used in low doses in cosmetics. It was actually the FIRST thing I asked our lab when they gave me the final INCI.
- tape_measure 5y agoYes, I suppose having a concentration of hydroxide is good to keep the carbonate from reacting and bursting the packaging.
- c1sc0 5y agoThe way I understood it is that Ph needs to be within a certain band of values in cosmetics and the last ingredient in the INCI guarantees this.