Weigh Phase A in the main kettle equipped with homogenizer. Mix well.
Sprinkle Phase B into Phase A with mixing. Heat to 75-80°C.
Weigh Phase C in a side kettle equipped with a propelller type mixer. Mix well and heat to 80-85°C.
When at proper temperature, add Phase C to Phase AB. Mix for 5-10 minutes.
Add Phase D mix for additional 10-15 minutes.
Cool to 50°C using side sweep agitation. Add Phase E.
Cool to room temperature.
Note: PCA holds moisture in hair while silicone crosspolymer network binds to hair surface. Massage generously into clean, damp hair. Wait 2-3 minutes; should be able to finger comb, apply more as needed. Rinse.