Cosmetics Formulation Development


จากสูตรได้ส่งไปวิเคราะห์​ได้ค่าSPF4.5 ต้องทำอย่างไรให้SPF3คะ

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From the formula sent for analysis, the SPF 4.5 value was obtained. What should I do for SPF3?

Postby nutygirl2543 » Thu Jul 30, 2020 7:52 am

Recipe for sunscreen 1000 g 1. Distilled water 600 g 2. Zinc Oxide 150 g 3. Caprylyl Methicone 50 ​g 4. Glycerin e 20​ g 5.​Isopropyl Myristate (IPM)​ 50​ g 6 .​Carthamus tinctorius seed oil 40 g 7. Cetearyl Alcohol​ 40 8.​Steric Acid 40​ g 9. Phenoxyethanol 10 g Please reply. please How to edit formula to get SPF from 4.5? Up to SPF30. thank you very much
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Re: From the formula, I sent it to analyze, got SPF4.5 value. What should I do for SP?

Postby staff » Wed Aug 05, 2020 12:04 am

Hello. 1. I don't have a cream maker recipe yet. I suggest you try adding Milk Lotion Maker Serves to coordinate formulas. If there is no cream maker, the SPF value will be very low, as the members found. 2. Consider adding SPF Booster, for example PMMA Booster will increase your SPF.
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