Cosmetics Formulation Development

Ask for advice. Which Film Former is better to use (there are many, I can't choose) in the physical sunscreen formula. Apply before swimming in the sea. want to be waterproof for a long time

Hello, for sunscreen products, I recommend Silicone Film (Long-Wear, Soft, Isododecane Base) because it gives a soft, comfortable and focused film texture. good waterproof

have tried Holds up very well So I have a question. How can I clean or wipe it off? What kind of cleaning agent is used for this film former? or any formula

Ask for another advice. Iron Oxide used in blue light protection sunscreen not found in the list. Found but used as a color in cosmetics.

Hello,

have tried it. Holds up very well So I have a question. How can I clean or wipe it off? What kind of cleaning agent is used for this film former? Or any formula

Formula to wipe make-up normally can be wiped off.

One more advice Iron Oxide used in blue light protection sunscreen not found in the list. Found but used as a color in cosmetics

Iron Oxides of any kind (including Titanium Dioxide size 200nm and above) because with particle size quite large So it can prevent long wave, including blue light.