Sunscreen Formulation Feedback and Recommendations

Based on your initial formula and the goal of a light, non-greasy, quick-drying texture, the staff has provided valuable feedback and an alternative formulation approach.

Your original formula, with a high concentration of oils and silicones, might result in a texture that feels excessively slippery. The recommendation is to create a light gel-based formula that incorporates water. This type of formula generally offers a more pleasant skin feel, providing hydration without being overly heavy or sticky, and allows for the addition of beneficial active ingredients.

The staff suggested the following formula structure:

• SPF Protect Ultra: 15%
• Cyclomethicone: 5%
• Dimethicone (Light, Low-Odor): 5%
• Pro Polymer Silk: 1%
• Mild Preserved™ or Phenoxyethanol: 1%
• Water: Remaining percentage

Addressing your specific questions:

1. Emulsifier: In the recommended formula, Pro Polymer Silk functions as the emulsifier to effectively blend the water, oil, and silicone components.
2. Mixing Method: If you lack the equipment needed for Pro Polymer Silk (which typically requires blending), you can substitute it with Light Cream Maker at 1%. Light Cream Maker can be easily mixed by hand.
3. Oil and Silicone Content: The staff confirmed that a combined oil and silicone percentage of 25% (from SPF Protect Ultra, Cyclomethicone, and Dimethicone) can be successfully emulsified. You can use Pro Polymer Silk or other cream makers like Light Cream Maker, Soft Cream Maker, or Satin Mousse. For a lighter texture, Light Cream Maker, Soft Cream Maker, or Satin Mousse are good choices.

This revised formulation strategy should help you achieve a sunscreen with a desirable light, non-greasy feel that dries quickly. Adding ingredients like Vitamin B3 can further enhance the formula by providing skin-strengthening and brightening benefits.