CLEAR SHAVING GEL

Preparation:
Phase A: Add dye solution to deionised water. Sprinkle Carbopol®
Ultrez 20 polymer on the water surface. After the polymer has t
horoughly wetted, mix for at least 10 minutes using slow agitation. Add
Sodium Laureth Sulfate with gentle mixing. Mix until uniform. Pre-neutralise
with Sodium Hydroxide (18%) to pH 5.0. Mix until uniform.
Phase B: Slowly add Cocamidopropyl Betaine to main batch. Neutralise
batch with Sodium Hydroxide (18%) to pH 6.0. Mix until uniform.
Phase C: In a separate vessel, dissolve Disodium EDTA in deionised water,
when dissolved add phase C to main batch.
Phase D: Add ingredients in order with mixing to the main batch, mix well
after each addition.
Phase E: In a separate vessel, premix polysorbate 20 and fragrance.
Add the fragrance premix to the main batch. Mix until uniform.

Notes:
Properties
Appearance: Clear blue gel
pH: 5.7–6.3
Viscosity: 14000 – 20000 mPa·s (Brookfield RVT @20 rpm, 25°C, #6
spindle, measured after 24 hours)
Yield value: 800–1400 dyn/cm2
Turbidity (NTU) 10 – 20 (HF Scientific, Inc. Micro 100 Turbidimeter)
Stability: Passed 6 weeks (ongoing) at RT, 45, and 55 45°C
Passed 5 freeze/thaw cycles
Suppliers
1 Lubrizol Advanced Materials Inc. (Noveon®* Consumer Specialties)
2 Zschimmer & Schwarz 3 Evonik 4 BASF 5 Protameen
6 Clariant 7 Concentrated Aloe Corporation 8 Nalco
9 Essential Compositions 10 Croda