BPSfree

BPSfree is a designation used by some manufacturers and retailers to indicate that a product contains no detectable amounts of bisphenol S (BPS), a chemical used in the production of certain plastics and epoxy resins as an alternative to BPA. The term is commonly found on packaging, water bottles, food containers, and cosmetic containers in markets where consumer concerns about bisphenols have led to demand for BPA- and BPS-free options. Because there is no universal regulatory requirement for BPS labeling, BPSfree claims are typically voluntary and may be supported by third-party testing or by manufacturer quality-control data.

Labels and certifications vary by region and brand. Independent laboratories may test materials for BPS using methods such as high-performance liquid chromatography or gas chromatography–mass spectrometry, with results stated as non-detects or below a specified limit of quantification. Some critics note that BPS-free labeling may not address other bisphenols or potential contaminants, and that products could still contain trace levels due to cross-contamination in supply chains.

The term is often discussed alongside BPA-free, reflecting a broader movement toward reducing consumer exposure to bisphenols. Interpretation of BPSfree claims may depend on the product category, packaging components, and the presence of coatings or recycled materials. Research into the health effects of BPS remains ongoing, and regulatory responses continue to evolve in different jurisdictions.