Sunscreen Lotion SPF 50

A broad spectrum sunscreen lotion. It was subjected to in vitro analysis and delivered SPF ~ 50, PFA (PPD) ~ 24 performance with critical wavelength 380 nm

PREPARATIVE PROCEDURE

1	To a secondary vessel add phase A, start mixing, heat up to 50°C, add phase B .
2	Heat phase AB to 80°C and then add phase C ingredients with mixing. Add phase D to phase ABC and mix until phase D is fully dispersed.
3	To the main vessel add the Water of phase E, start mixing, add the Disodium EDTA, then add the Pemulen ® TR-2, and heat this phase to 80°C.
4	When both phases ABCD and EF are homogeneous and at designated temperatures, slowly add phase ABCD to phase EF with mixing.
5	Start homogenizing intensively for 3 mins and start cooling. When the batch is at 55°C, add phase F.
6	Stop homogenizing and resume sweep mixing. Add premix H phase and mix well.
7	When the batch is uniform add deionized water to correct for evaporative losses. Continue mixing until smooth.

PRODUCT CHARACTERISTICS (25°C)

Appearance	Off-white to pale yellow lotion
Viscosity (Brk, RVDV-II, T-D, 20 rpm, after 24 h at room temperature; mPa·s)	3100 - 5300
pH	6.5 - 7.5

*Patented and Patent Pending

The information presented herein is believed to be accurate and reliable, but no warranty or guarantee, expressed or implied, is made regarding the information or the performance of any product. Further, nothing contained herein shall be taken as any inducement or recommendation to use, manufacture or sell that may infringe any patents or any other proprietary rights now or hereafter in existence, nor to imply compliance with any regulatory requirements

The Hallstar Company - 120 South Riverside Plaza Suite 1620 - Chicago, IL 60606-3911 USA

Tel.: 877 427 4255 (International n.: +1 312 385 4494) - Fax: +1 330 929 3616 - E-mail: customerservice@hallstar.com Web Site: hallstar.com