How does TYH ensure the compatibility between cosmetic formulas and containers?
TYH (Tung Yung Ho) provides a comprehensive Product Stability Solution to mitigate the risk of chemical reactions between containers and formulas. While the final responsibility for stability testing lies with the brand, TYH offers technical consultancy on material selection (e.g., choosing PP over AS for essential oils) and provides high-standard Vacuum Leakage Testing to ensure airtight integrity.