City Defense Lotion

Hallstar

This water-in-oil sunscreen lotion provides broad spectrum (SPF/PFA ≤ 3), label SPF 50 performance without using organic UV filters. HallBrite® BHB in HallBrite® EZ-FLO ZDX aids wetting and dispersion of the Zinc Oxide and contributes to enhanced product feel. This formula was subjected to in vitro analysis and delivered SPF ~53, PFA (PPD) ~18 (PA++++), performance with critical wavelength 379nm.

Phase

Product

INCI Name

Supplier

Volume

HallStar® OP1

Ethylhexyl Palmitate

10.00

Sensolene®*1

Ethylhexyl Olivate

5.00

HallBrite® EZ-FLO ZDX*1

Zinc Oxide [Zinc Oxide] (non-nano) (60%), Butyloctyl Salicylate, Triceteareth-4 Phosphate, Trimethoxycaprylylsilane

15.00

Cetyl PEG/PPG-10/1 Dimethicone

3.00

Dimethicone (50 cSt)

6.00

Titanium Dioxide [Titanium Dioxide], Aluminum Hydroxide (60 nm primary particle size)

5.50

Olivem® 9001

Sorbitan Olivate

1.00

Styrene/Acrylates Copolymer (hollow spherical, 325 nm)

3.00

Water (Aqua) (deionized)

to 100

Glycerin

6.00

Disodium EDTA

0.05

Xanthan Gum (pharma grade)

0.20

Preservative

a.n

Aluminum Starch Octenylsuccinate

2.00

Preparation:

Add phase A to the main vessel and start mixing. Add phase B and heat to 80°C. Add phase C and mix until uniform. Add phase D to a secondary vessel and start mixing. Add phase E items in order. Heat to 80°C. When both phases are homogenous at their designated temperature, start homogenizing phase ABC. Very slowly add phase DE. Begin cooling to room temperature. When batch is below 50°C, add phase F. Continue mixing until uniform and at target temperature.

Notes:

Appearance: White lotion Viscosity (Brk, DV II, T-D, 20 rpm, after 24 hours at room temperature; mPa∙s): 4000–6500

Disclaimer

While every effort has been made to reproduce these formulations correctly, the Publisher of this website cannot accept any liability for the information presented. All formulations are provided in good faith, but no warranty is given as to accuracy of information or results, or suitability for a particular use, nor is freedom from patent infringement to be inferred. Formulations are offered solely for consideration by the participating manufacturers. Continued use of this web site infers acceptance of this disclaimer.

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