Vivimed O/W Sunscreen Formulation Formula Ref. 2-016-05
Preparation:1. Combine propylene glycol, Keltrol and Veegum. Add water with stirring. 2. Once dispersed heat to 75-80°C. 3. Combine oil phase ingredients (part A) and heat to 75-80°C. 4. Add oil phase to water phase with stirring. 5. Add C with stirring. 6. Homogenise for 2 minutes. 7. Allow to cool with stirring. 8. Prepare phase D, stirring until fully dissolved. Add phase D to emulsion at 40-50°C. 9. Add E ingredients below 40°C. Continue cooling with stirring to room temperature. 10. Check pH and adjust if necessary to pH 7 - 7.5.
Notes:Test Data: 25840cps / pH7 / in-vitro SPF50 / UVA:UVB ratio 0.757
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