Cosmetics Formulation Development


สารกันเสีย Sodium Metabisulfite กับ Phenoxyethanol

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Preservative Sodium Metabisulfite vs. Phenoxyethanol

Postby poonyanuch.jasmine » Fri Aug 14, 2020 10:45 am

want to know the substance Sodium Metabisulfite Phenoxyethanol in the same product, how much proportion should I put in it? thank you
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Re: Preservative Sodium Metabisulfite and Phenoxyethanol

Postby staff » Sat Aug 15, 2020 3:54 pm

Hello, the usage rate of each ingredient Members can check from the web page, the line "Usage Rate". The team copied it as an example for Sodium Metabisulfite
Usage: For any formulation to help maintain the quality of the ingredients Mixing Method: Mix in water in the formula Use ratio: 0.1-0.2% (recommended 0.2%). Product appearance: off-white powder Solubility: soluble in water. Storage: can be stored at room temperature. But close the lid of the bottle tightly. and protected from sunlight or heat, the product has a shelf life of at least 2 years INCI Name: Sodium Metabisulfite (as preservative, usage up to 0.2%)
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Re: Preservative Sodium Metabisulfite and Phenoxyethanol

Postby poonyanuch.jasmine » Sun Aug 16, 2020 8:10 am

Can these 2 be used together? Then it's time to take notice Sodium Metabisulfite 0.1 is anti oxidant 0.2 is preservative right? If enter Sodium Metabisulfite 0.1 or 0.2 Phenoxyethanol can you put 0.5 ? thank you
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