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Extremely Hydrating Gel



Published April 1, 2009
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Phase A
Deionized water
86.93
Disodium EDTA
0.02
Carbopol Ultrez 21 Polymer (Lubrizol) (Acrylates/C10-30 alkyl acrylate crosspolymer)
0.35
Glucam E-20 humectant (Lubrizol) (Methyl gluceth-20)
1.00
Butylene glycol
3.00
Merquat 3330 (Polyquaternium-39) (Nalco)
0.30
Ajidew (Ajinomoto) (Sodium PCA)
0.50
Shiseido sodium hyaluronate powder (Shiseido) (Sodium hyaluronate (1% aqueous solution))
2.00
Dow Corning 193C (PEG-12 dimethicone
3.00

Phase B
Sodium hydroxide (18%)
0.40

Phase C
Aloe Vera Gel Decolorized 1X (Code: AG002) (Terry Labs) (Aloe barbadensis leaf juice (0.5% Aloe TS))
2.00

Phase D
Phenonip (Clariant) (Phenoxyethanol, methyl-, ethyl-,butyl-, propyl-, (and) isobutylparaben)
0.50

Phase E
LipoSphere 0290 (Lipo Chemicals/Dow Corning) (Helianthus annuus, retinyl palmitate, tocopheryl acetate, agar, aqua, (and) CI 77289)
0.30 g/100 of the gel

Procedure
Dissolve disodium EDTA in deionized water. Disperse Carbopol Ultrez 21 Polymer on the surface of deionized water. When the polymer is fully wetted, mix batch (200-300 rpm) and slowly add Glucam E-20 humectant and butylene glycol. Mix until uniform.  Neutralize the batch with phase B. Mix until uniform.  Decrease the mixing speed to 100-200 rpm. Make a 1% TS solution of sodium hyaluronate. Sequentially add the components of phase C to batch. Mix until uniform.  Continue mixing and add phase D ingredients.  Mix until uniform. Slowly add the beads into the gel (0.30g : 100g gel) through slow agitation (50 rpm).

Properties
Appearance: Translucent low viscosity gel with suspended beads; pH: 5.5-6.0; Viscosity (mPa·s) Brookfield DV-II+ Pro @ 20 rpm, 25°C, #3 spindle, measured at 24 hours:1,400-1,600; Yield Value (dyn/cm²) 80-130; PC 801 Colorimeter – (Sybron Brinkman): 80-85; Recommended Packaging: Clear pump bottle     (with UV protection); Stability: Passed 3 months @ 45°C and 25°C, 5 cycles freeze/thaw.

More Information
Lubrizol Advanced Materials Inc. (Noveon Consumer Specialties), Tel: (216) 447-5000, (800) 379-5389; Website: www.personalcare.noveon.com


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