Cosmetics Formulation Development

to be used in open container products For example, 1.25% cream jar. Solubility: can be dissolved in water (not more than 1.0%), so I doubt it. And if we make a 100 gram jar of cream required Phenoxyethanol SA 1.25%, but the The solubility in water is not more than 1%. What does this mean?

Hello, maximum solubility at 1.0% means direct solubility in water. In the case of a cream formula which usually has Emulsifier (water-oil binder or cream maker) is in the formula, which can help dissolve สารกันเสีย can be compatible with the formula. It will dissolve much more than 1.0% (usually about 30% of Emulsifier eg in the formula we use The cream maker at 2% means that it will be able to dissolve an additional 0.6% (1.0+0.6%). The method of mixing in this case is when the recipe is complete, add Phenoxyethanol SA into the formula and blend to combine with the recipe.