POWDER SHAMPOO
Manufacturing Process
Phase A: Combine all ingredients of phase A and stir until everything is homogeneous.
Phase B: Simply add lukewarm tap water to the bottle, then add in your powder shampoo. Shake for approximately 30 seconds and wait until everything has been dissolved. Let the mixture rest for 24 h.
Specification
Appearance: Pearlescent, viscous gel
pH: 5.5 +_ 0.10
Stability: No separation after