... , GMPC,manufacturer,filing in REACH Hair Care TreatmentProduct name : PH Controller---hair care treatmentRemarks:As the leading hair care manufacturer, we ... product against your budget.OEM/ODM availableFeature:1. The PH Controller contains Lactic acid, which helps to balance the pH value ... your hair has reached the desired color, apply the PH Controller, leave on for 5 minutes and rinse. GMP,GMPC,ISO ...