HYDRATING HYALURON SERUM
Manufacturing Process
Phase A: Combine all ingredients of phase A.
Phase B: Combine all ingredients of phase B separately and add to phase A under stirring.
Phase C: Add phase C to A/B and stir until everything is completely dissolved.
Adjust pH to 5.5 +_ 0.05.
Specification
Appearance: Transparent, low viscous serum
pH: 5.5 +_ 0.05
Stability: No separation after centrifugation (4000 rpm, 30 min), s