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Gentle Touch Baby Shampoo



Published June 1, 2010
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Phase A
Deionized water
58.53
Carbopol Ultrez 20 Polymer (Lubrizol) (Acrylates/C10-30 alkyl acrylate crosspolymer)
0.35
Glycerin (Protameen)
5.00
Sodium hydroxide (18%)
0.15**
Protelan AGL 95/C (Zschimmer & Schwarz) (36% TS)(Sodium cocoyl glutamate)
5.60
Tego Betain F 50 (Evonik/Degussa) (Cocamidopropylbetaine) (40% TS) [May be substituted with Chembetaine CAD surfactant (35% TS)]+ (Lubrizol)
7.70
Miranol Ultra C 32 (Rhodia) (31% TS)(Sodium cocoamphoacetate)
9.40
Plantacare 1200 UP (53% TS (Cognis) (Lauryl glucoside)
7.80
Edeta BD (BASF) (Disodium EDTA)
0.05
Fragrance (Tartine Baby # 3348011) (Essential Compositions)
0.15
FD&C Blue 1 (Blue 1 (0.1%))
0.06
D&C Yellow 10 (Yellow 10 (0.1%))
0.07
Citric acid (50%)
1.14

Phase B
Deionized water
3.50

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

Procedure
Sprinkle Carbopol Ultrez 20 Polymer on the surface of deionized water. Wait until it is totally wetted. After the polymer is thoroughly wetted, mix at low speed for at least 10 minutes. Pre-neutralize batch to pH 4.5 with sodium hydroxide (18%). Add ingredients 5-8 in order to batch with mixing. Mix until uniform. In a separate vessel, prepare phase B by dissolving disodium EDTA in deionized water at 50°C. Add phase B to the batch. Mix until homogenous. Add ingredients 11-14 in order to batch with mixing. Mix until uniform. Adjust final pH of the formulation to 5.5 with citric acid (50%).

Properties
Appearance—green clear shampoo; pH—5.3–5.7; Viscosity (mPa·s) Brookfield RVT or DV-II @ 20 rpm, 25°C, #4 spindle, measured at 24 hours—2,000–3,500; Yield Value (dyn/cm2)—1-10; Turbidity (NTU) HF Scientific, Inc. Micro 100 Turbidimeter—10-20; Stability—Passed 3 weeks @ 55°C, 2 months @ 45°C (ongoing), 5 cycles Freeze/Thaw.

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


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