NATURAL SUN W/O
Evonik Dr. Straetmans GmbH
Preparation:
Phase A: Mix ingredients and adjust pH to 5.1–5.3 with citric acid. Heat up to 80°C. Heat phase B up to 80°C and add phase C and verify the complete dispersion of pigments. Emulsify phase A slowly into combined phase BC under stirring. Homogenise for 2-5 minutes using an Ultra Turrax. Cool down to 32°C and add phase D under stirring.Notes:
Properties Appearance: White soft cream. Viscosity: Approx. 30000 mPa·s (Brookfield: Spin 6; Speed 10) Centrifugation (10 min., 5.000 rpm): No separation. Microbiological stability: Proven. Estimated SPF: 12 (calculated with the Ciba Sunscreen Simulator) UVA/UVB Ratio: 0.75 (calculated with the Ciba Sunscreen Simulator) Suppliers 1 Merck 2 Dr Straetmans 3 Cognis 4 Kahl & Co 5 Wiga Pharma 6 GfN 7 Sachtleben 8 Symrise 9 Frey & LauDisclaimer
While every effort has been made to reproduce these formulations correctly, the Publisher of this website cannot accept any liability for the information presented. All formulations are provided in good faith, but no warranty is given as to accuracy of information or results, or suitability for a particular use, nor is freedom from patent infringement to be inferred. Formulations are offered solely for consideration by the participating manufacturers. Continued use of this web site infers acceptance of this disclaimer.
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