Formulary

Physical UV Defense SPF 30

Released by Shin-Etsu Silicones

March 1, 2017


Phase A
KSG-210 (Dimethicone PEG-10/15 crosspolymer (&) dimethicone)
3.00
KSG-15 (Cyclopentasiloxane (&) dimethicone/vinyl dimethicone crosspolymer)
2.00
KF-6028 (PEG-9 polydimethylsiloxyethyl dimethicone)
1.00
KF-995 (Cyclopentasiloxane)
5.00
DMF-A6 (Dimethicone)
5.00
DMF-50CS (Dimethicone)
2.00
Isotridecyl Isononanoate
4.00
KP-545 (Cyclopentasiloxane (&) acrylates/dimethicone copolymer)
2.50
KF-7312J (Cyclopentasiloxane (and) trimethylsiloxysilicate)
2.50
SPD-T5 (Cyclopentasiloxane (&) titanium dioxide (&) polyglyceryl-3 polydimethylsiloxyethyl dimethicone (&) aluminum hydroxide (&) stearic acid)
10.00
SPD-Z5 (Zinc oxide & cyclopentasiloxane & polyglyceryl-3 polydimethylsiloxyethyl dimethicone & triethoxysilylethyl polydimethylsiloxyethyl hexyl dimethicone)
20.00

Phase B
Sodium citrate
0.20
Sodium chloride
1.00
Glycerin
5.00
Water
34.00

Phase C
KSP-100 (Vinyl dimethicone/methicone silsesquioxane crosspolymer)
2.00

Phase D
Phenoxyethanol (&) caprylyl glycol
0.80

Procedure
(500g): 1. Combine A and mix well using a dispersing blade. 2. Combine B and mix well. 3. Slowly add B to A and mix for ~10 minutes under moderate shear. 4. Add C and mix until uniform. 5. Add phase D and mix until uniform.

Properties
Total viscosity—Brookfield Heliopath RVT Spindle A Speed 5, 1 min @ 25°C = 5,000 CPS. FDA In-Vivo SPF-31, CWL 370nm, 80 min water resistance (n=10 subject). Room temperature/50°C 1 month/freeze thaw 3 cycles (-20°C/RT 3cycles)-stable.

More Information
Shin Etsu Silicones www.shinetsusilicones.com

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