HC YELLOW NO. 4

Hair Care: Semi-Permanent Hair Color Gel

This semi-permanent hair color gel is thickened with Carbopol® Ultrez 10 Polymer to give an improved, no-drip application. The use of Carbopol® Ultrez 10 Polymer also allows for this product to thicken without high levels of surfactant.

Hair Care: DEA Free Semi-Permanent Hair Color HP-212-2

This semi-permanent hair dye formula can be made using either of the three dye mixes given and demonstrates the use of Cocamidopropyl Hydroxysultaine and PEG-150 Pentaerythrityl Tetrastearate; PEG-6 Caprylic/Capric Glycerides; Water as replacements for DEA in systems of this type. Cocamidopropyl Hydroxysultaine enhances foaming and aids in rinsing the dye from the hair. Optimum viscosity is achieved with PEG-150 Pentaerythrityl Tetrastearate; PEG-6 Caprylic/Capric Glycerides; Water . Hydrolyzed Wheat Protein PG-Propyl Silanetriol forms a conditioning network on the hair, improving its moisture retention and giving it better combing and shine properties.