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Clarifying Facial Gel with Japanese Green Tea Extract



Published August 2, 2013
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Phase A
Deionized water
79.15
Protachem Na2 (Protameen) (Disodium EDTA)
0.05
Carbopopl Ultrez 30 (Lubrizol) (Carbomer)
0.80

Phase B
Glycerin, 99.7% USP
2.00
Glucam E-20 Lubrizol (Methyl gluceth-20)
1.00
Keltrol CG (CP Kelco) (Xanthan gum)
0.25

Phase C
Sodium hydroxide (18% sol.)
1.75

Phase D
Butylene glycol
6.00
Ethyl alcohol
2.00
Salicylic acid
1.00

Phase E
Cremophor CO-40 (BASF) (PEG-40 hydrogenated castor oil)
0.25
Schercemol LL ester (Lubrizol) (Lauryl lactate)
0.25

Phase F
Euxyl PE 9010 (sch-lke & mayr) (phenoxyethanol (and) ethylehexylglycerin)
0.50
Actiphyte of Japanese Green Tea GL (Active Organics) (Water, glycerin, camelia oleifera leaf extract)
5.00

Procedure
Combine D and mix until salicylic acid crystals are fully dissolved. Set aside for later addition. Dissolve disodium EDTA in water. When disodium EDTA is fully dissolved, set mixing speed @400-500 rpm and slowly disperse Carbopol Ultrez 30 polymer into water. Mix until polymer is fully hydrated. Premix B into a uniform slurry and add to A. Increase mixing speed as needed to maintain uniformity. Add C to A/B and increase mixing speed as needed to maintain uniformity. Continue mixing for 10 minutes. Add D to batch and adjust mixing speed as needed to reduce any splashing due to viscosity change. Mix until uniform. Premix E and add to batch. Mix until uniform. Add F ingredients individually, mixing between additions.

Properties
Appearance-Translucent gel; pH-4.0-4.5; Viscosity (mPa-s) (Brookfield RV, DVII+ Viscometer spindle #4 @ 20 rpm, 25°C @ 24 hours)-3,500-6,000; Yield Value (dyn/cm)-300-500; Stability-Passed 2 months @ RT, 45°C and 50°C. Passed 4 F/T cycles.

More Information
Lubrizol Advanced Materials, Inc. 800-379-5389 or 216-447-5000 Website: www.lubrizol.com/personalcare


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