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Quality control is an integral part of the manufacturing process and is applied consistently across all products produced in our facility. This includes house brand products, private label items, contract manufacturing projects, and products manufactured for export markets. All products are subject to the same quality control requirements, acceptance criteria, and release procedures, regardless of brand ownership or destination.
For every batch of production, Quality Control (QC) personnel are present in the production facility, within the clean room. Their role is to monitor and verify that manufacturing activities are carried out in accordance with approved specifications, formulations, and standard operating procedures (SOPs).
In-process checks are conducted to confirm critical parameters such as:
Compliance with batch records and work instructions
Correct materials and components being used
Process conditions remaining within defined limits
Proper hygiene and handling practices during production
Upon completion of production, QC personnel conduct random sampling of finished products from each batch. Samples may consist of packets, bottles, or other finished units, depending on the product format.
Sampling follows established procedures to ensure that selected units are representative of the entire batch. All samples are clearly identified and traceable to the corresponding batch through batch numbering and production records.
Completed batches are placed on hold status and are not released for distribution until all required post-production quality control checks and laboratory tests have been completed and reviewed.
Laboratory testing is conducted under controlled conditions by trained QC personnel using calibrated equipment and validated test methods. These tests are performed to verify product integrity, safety, and consistency prior to batch release.
Key laboratory tests include, but are not limited to:
Pressure testing is performed to assess the integrity of product packaging and to detect micro-leaks that may not be visible during routine inspection. Samples are subjected to controlled pressure to simulate stresses encountered during handling, transportation, and storage.
Micro-leaks can compromise the protective barrier of the packaging and increase the risk of contamination or product leakage. This test verifies that the packaging is capable of maintaining product integrity throughout its intended shelf life.
Microbial testing is carried out to assess the microbiological quality of products and to detect the presence of bacteria, yeast, mould, or other microorganisms. Samples are analysed under specified conditions to determine microbial levels and identify potential contamination.
This testing is a critical requirement for hygiene products, where microbial control is essential to product safety and performance.
pH testing is conducted for products intended for skin contact or use on sensitive surfaces. The pH value is measured to confirm that it remains within the specified range defined for the formulation.
Maintaining pH within specification supports product stability, compatibility with skin, and batch-to-batch consistency.
For liquid products, viscosity testing is performed to verify consistency in flow characteristics and texture. Viscosity measurements confirm that the product meets defined specifications and performs consistently during use.
If post-production laboratory tests or quality control checks fail to meet the defined acceptance criteria, the entire batch is classified as non-conforming and is not released for sale.
Non-conforming batches are segregated and disposed of in accordance with internal disposal procedures. A formal investigation is conducted to identify the root cause of the failure, and the formulation, process parameters, or materials are re-assessed as necessary.
Only after corrective actions have been implemented and verified will the product be reproduced in a new batch, which will then undergo the full quality control and testing process prior to release.
The quality control framework described above applies uniformly to all products manufactured in our facility, including house brands, private label and contract manufacturing products, and items produced for export markets.
This framework is implemented consistently across all three of our manufacturing facilities in Singapore, China, and Indonesia. While operational details may be adapted to meet local regulatory requirements, the core quality principles, testing protocols, documentation standards, and batch release criteria remain fully aligned across all locations.
By maintaining consistent procedures, defined specifications, and documented controls, quality is managed systematically across all manufacturing activities, ensuring product safety and integrity across every batch.
