SUNSCREEN LOTION (EMULSIFIER-FREE)
FMC BioPolymer
Preparation:
Phase A: Disperse Avicel in water using high shear (e.g. a rotor-stator mixer for 10 minutes). Dissolve Protanal ester CF in the Avicel dispersion by mixing for 10 to 15 minutes at moderate shear. Heat to 75°C. Phase B: Combine all ingredients and heat to 75°C. Slowly add Phase A to Phase B and homogenize. Cool to 50°C with constant slow mixing. Phase C: Add preservative. Cool to below 30°C before packaging.Notes:
Properties A light, non-tacky lotion with water-resistance (not quantified). Stability Limited results available. Stable to centrifugation (4,000 rpm x 60 minutes) and storage at 45°C for 1 month. Avicel PC 591 (INCI name: Microcrystalline Cellulose (and) Cellulose Gum) When dispersed in water, Avicel PC 591 forms a thixotropic network of insoluble rod-like particles that contributes to emulsion stability, suspends dense materials and provides rheology control. Protanal ester CF (INCI name: Propylene Glycol Alginate) Protanal ester CF is manufactured by esterification of algin, a natural hydrocolloid extracted from brown seaweeds. Note that high pH’s (above 8.0) should be avoided because these can lead to some de-esterification.Disclaimer
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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