Formula 2. Test conditioning rinse formulation

Silicone Quaternium-22 (and) Polyglyceryl-3 Caprate (and) Dipropylene Glycol (and) Cocamidopropyl Betaine (ABIL ME 45, Evonik Industries AG) ~ 0.3% active silicone quat, 1.0% w/w
Cetrimonium Chloride (VARISOFT 300, Evonik Industries AG), 3.0
Ceteareth-25 (TEGIN Acid C, Evonik Industries AG), 0.5
Cetyl Alcohol (TEGO Alkanol 16, Evonik Industries AG), 5.0
Citric Acid, qs to pH 4.0
Water (aqua), qs to 100.0

Procedure: Add all ingredients in water and heat to 75°C with adequate mixing. Homogenize at 75°C and cool while stirring. Adjust the pH with citric acid to 4.0.