Broad Spectrum SPF ~40, PFA ~17 Sunscreen Lotion Formula JZ3-156B

Preparation:

Add A to the main vessel. Dissolve B with continued mixing. Add C, stirring until fully incorporated. Start heating to 85°C and add premix of D. Add E to a secondary vessel and start mixing. Add F and heat to 85°C. Add G in order. With both phases at 85°C, slowly add the oil phase (E-G) to the water phase (A-D) with prop mixing. Start homogenizing and cooling. When the batch reaches 55°C, start sweep mixing and continue cooling. At 50°C or lower, add H with mixing. When batch is smooth, add I with mixing. Replace any water lost to evaporation, and mix until smooth and at desired filling temperature. Stop cooling and mixing, perform final quality assurance checks and package product.