Inorganic Sunscreen Lotion SPF 15

By: TOM BRANNA

Editor

Ingredients

%

Phase A

Water
66.15

Avicel PC 611 (FMC) (Microcrystalline cellulose, cellulose gum)
0.50

Simulgel I-NS (Seppic) (Hyrdroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer/isohexadecane/polysorbate 60)
1.25

Disodium EDTA
0.10

Butylene glycol
2.00

Phase B

Brij S721 (Croda) (Steareth-21)
2.50

Brij S2 (Croda) Steareth-2
0.50

Crodacol (Croda) (C-70 cetyl alcohol)
2.50

Myrj S100 (Croda) (PEG-100 Stearate)
1.50

Sylaclear C75V (Arizona Chem.) (Bis-stearyl ethylenediame/neopentyl glycol/ stearyl hydrogenated dimer dilinoleate copolymer)
2.00

Liponate GC (Lipo Chemical) (Caprylic/capric triglyceride)
5.00

Phase C

GCP65HP1 (Kobo) (Zinc oxide, caprylic/capric triglyceride polyhydroxystearic acid, triethoxycaprylylsilane)
8.00

TNP50M170 (Kobo) (C12-15 alkyl benzoate, titanium dioxide alumina, methicone, polyhydroxystearic acid)
7.00

Phase D

Phenonip (Clariant) (Phenoxyethanol, propylparaben methylparaben, isobutylparaben, ethylparaben, phenoxyethanol)
1.00

Procedure

Disperse Avicel PC 611 and Simulgel i-NS into water. Mix until uniform. Add remaining phase A ingredients. Heat to 85-90°C. Mix until uniform. Combine phase B and heat to 85-90°C. Mix until uniform. Slowly add phase C to phase B keeping temperature at 85-90°C. Add phase B+C to phase A and mix at 4000 rpm for 2 minutes. Cool to 40°C with mixing. Add phase D to phase A+B+C. 11. Mix to room temperature.