Sunscreen SPF 50 Lotion

This sunscreen lotion formulation is designed to provide U.S. broad spectrum (critical wavelength ≥ 370 nm), label SPF 50 performance. SolaStay^® S₁ contributes to photoprotection through stabilization of this Titanium Dioxide-based formulation by mitigating the photocatalytic and reactive oxygen species generating activities of the oxide to improve sunscreen performance. Olivem^® 1000, the first PEG-free self-emulsifying biomimetic multifunction ingredient, and botanically-based HallStar^® GMS Pure provide the basis for a stable emulsion. HallBrite^® BHB, Sensolene^® and Biochemica^® Matcha Green Tea butter are included to enhance spreadability and contribute to elegant emollience. This formulation was subjected to in vitro analysis and delivered SPF ~54, PFA (PPD) ~7 broad spectrum performance with critical wavelength 374 nm.

PREPARATIVE PROCEDURE

1	To a secondary vessel add phase A, start mixing and slowly add phase B to phase A with continued mixing.
2	Heat phase AB to 80°C and then add phase C ingredients individually with mixing.
3	To the main vessel add Water of phase D, start mixing, add Disodium EDTA, then add Xanthan Gum and heat this phase to 75°C.
4	When both phases are homogeneous and at their designated temperatures, slowly add phase oil ABC to water phase D with prop mixing.
5	Homogenize combined for 3 minutes and resume prop mixing.
6	Start cooling and when batch is below 50°C add, with mixing, premix of phase E and then phase F, mixing well.
7	Replace any water lost to evaporation and mix batch until smooth and at desired filling temperature.

PRODUCT CHARACTERISTICS (25°C)

Appearance	Off-white to pale yellow, thick lotion
Viscosity (Brk, RVDV-II, T-D, 20 rpm, after 24 h at room temperature; mPa·s)	2800 - 4800
pH	5.5 - 6.5