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SPF Mineral Sunscreen Spray #EC-01-03

Formulation

SPF Mineral Sunscreen Spray #EC-01-03

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  1. Prepare phase A: heat Coco-caprylate to 75-80°C and add Polyhydroxystearic Acid - mix until dissolved.
  2. Add Zano® 10 Plus slowly and disperse well using high mechanical agitation (e.g. dissolver or homogenizer).
  3. Add ingredients of phase B and stir well. Add to phase A, maintain a temperature of 75-80°C.
  4. Mix ingredients of phase C and heat to 80-85°C.
  5. Add phase A+B to C while stirring well to form a homogenous emulsion.
  6. Cool down slowly to 40-45°C while stirring rapidly. Reduce speed and cool down to room temperature.

Performance Data:

  • SPF: 30.1 (in-vitro, Helioscience H2)
  • UVA-PF: 14.3 (in-vitro, Helioscience H2)
  • Critical Wavelength: 373 nm (in-vitro, Helioscience H2)

Stability:

  • Oven: 40° C for 3 months
  • Thermic Shock: 3 months (6h + 4°C / 6h + 40°C continuous cycle)
  • Centrifuge: 4000 rpm (10 min)