Formulary

Lightweight Non-Nano ZnO Sunscreen Lotion SPF 30

Released by Hallstar 03.04.19

Phase A
HallStar octyl isononanoate (Hallstar) (Ethylhexyl isononanoate)	10.00
HallBrite EZ FLO ZDX (Hallstar)(Zinc oxide [zinc oxide] (60%), butyloctyl salicylate, triceteareth-4 phosphate, triethoxycaprylylsilane)	14.00
AvoBrite (Hallstar) (Acrylates copolymer)	4.50
Phase B
VP/Eicosene copolymer	1.00
HallStar GMS Pure (Hallstar) (Glyceryl stearate)	1.00
HallStar PEG 4400 MS MB (Hallstar) (PEG-100 stearate)	2.45
Biochemica Shea Butter Refined (Hallstar) (Butyrospermum Parkii (Shea) butter)	0.40
Phase C
Styrene/Acrylates copolymer (hollow spherical, 325 nm)	4.00
Phase D
Water (Aqua)	to 100
Glycerin	4.00
Polysorbate 20	1.00
Tetrasodium EDTA	0.02
Xanthan gum (pharma grade)	0.20
Phase E
Caprylyl glycol, phenoxyethanol, hexylene glycol	a.n.
Cyclopentasiloxane, cyclohexasiloxane	3.00
Silica (spherical, 12 µm)	3.00
Polyacrylamide, C13-14 isoparaffin, laureth-7	0.50
Procedure
Add phase A to a secondary vessel and start mixing. Heat to 80°C. Add phase B, then phase C. Add the water and glycerin of phase D to the main vessel, Start mixing and add remaining phase D items in order. When the solids are fully incorporated, heat to 75°C. When both phases are homogeneous and at their designated temperatures, slowly add phase ABC to phase D with prop mixing. Start cooling after 5 minutes. When batch is below 50°C, add phase E items one by one with mixing. Continue mixing until batch is at room temperature. Replace any water lost to evaporation and mix until smooth.
Properties
(25°C): Appearance—Off-white lotion; Viscosity—3,000–4,500 mPa•s (Brk, RVD-II, T-D, 20 rpm, after 24 hours at room temperature); pH (as is)—6.5–7.5.
More Information
The HallStar Company Tel. 877-427-4255, 312-385-4494 Email: customerservice@hallstar.com Website: hallstar.com