Mixing Steps for Waterproof Sunscreen Foundation (Water-in-Oil)

Here are the mixing steps for the Water-in-Oil sunscreen foundation formula with waterproofing using Polyethylene Wax, based on the provided formula:

Ingredients:

• Water-in-Oil EZ 3%
• SPF Protect Ultra II 5%
• Polyethylene Wax 2%
• LipidSoft™ Disperse 5%
• Silk Mica Powder 20%
• Beige Iron Oxides EasyMix 1%
• Titanium Dioxide 200nm EasyDisperse™ 3%
• Mild Preserved Eco 1%
• Water Remaining part

Mixing Steps:

1. Mix the powders, namely Silk Mica Powder, Beige Iron Oxides EasyMix, and Titanium Dioxide 200nm EasyDisperse™, together.
2. Heat the oil phase, consisting of Water-in-Oil EZ, SPF Protect Ultra II, Polyethylene Wax, LipidSoft™ Disperse, and Mild Preserved Eco, to 85°C. Heat the remaining water to a similar temperature of approximately 80-85°C. Then, while stirring, slowly add the water into the oil phase until combined to form a cream. Turn off the heat.
3. While stirring the cream, slowly add the prepared powder mixture into the cream and mix until combined.