Youkai Technical has a complete quality control system. Each raw material and packaging material is strictly inspected from the beginning of the warehouse to ensure the quality of the product from the source. Implementation of semi-finished product inspection, process inspection, finished product inspection, shipment inspection and release, etc., each point is strictly checked and controlled.

• All formulas will take at least 8 weeks stability simulation test in different store environment such as high/low temperature, high humidity, day light to ensure best quality product to deliver to customers.
• Our QC will test the packages used so as to prevent damage during transportation.
• Manual inspections at every stage of production to ensure the quality of final products.