Optimization of Polysorbate 80 and Sorbitan Monooleate 80 aas Emulsifiers in Foundation Makeup Containing Ethyl Cinnamate

Cosmetic foundation is a type of decorative makeup and commonly include sunscreen agent. Ethyl cinnamate one the potential organic essential oil sunscreens. Nevertheless, there little study on ethyl usage in cosmetics, particularly oil-in-water cream. Using an emulsifier cream higher concentration does not guarantee phase recovery. However, using two combinations such as polysorbate 80 sorbitan monooleate with optimum combination can be right solution. This aims to optimize active ingredient designed have effective ability protect facial skin from ultraviolet radiation are safe use. The optimization formulas design was made Simplex Lattice Design method help Expert version 10.0.1. Parameter were value pH, viscosity, spreadability, adhesion, Sun Protection Factor (SPF) value. stability test irritation formula also conducted. As positive control, Revlon Colorstay Foundation brand cosmetic used (National Food Drug Agency Indonesia number : NA18140300519). ratio monooleat 9.565 1.435 physical characteristics pH 6.478+0.008; viscosity 5844.2+31.82 cPs; spreadability 6.16+0.11 cm; adhesion 3.346+0.14 seconds; SPF Value 22.385+0.48, no symptoms. created physically stable, had pleasing look, did irritate skin, making it wear. It provides efficient UV protection.