custom lip balm Liya Biotechnology Co., Ltd strictly selects the raw materials of custom lip balm. We constantly check and screen all incoming raw materials by implementing an Incoming Quality Control - IQC. We take varies measurements to check against collected data. Once failed, we will send the defective or substandard raw materials back to suppliers.
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Liya custom lip balm To ensure the quality of custom lip balm and suchlike products, Liya Biotechnology Co., Ltd takes measures from the very first step - material selection. Our material experts always test the material and decide on its suitability for use. If a material fails to meet our requirements during testing in production, we remove it from the production line immediately.face cleanser,face cleaning products,good face wash.