Bisphenol in Paper Products: Receipts and Napkins Aren't Safe

The Receipt in Your Hand

Every time you take a thermal receipt, you are likely absorbing BPA or its chemical cousin BPS directly through your skin. A 2026 study published in Frontiers in Public Health found that concentrations of these bisphenol analogues in thermal paper are 2 to 4 orders of magnitude higher than in other common paper products.

BPA-Free Doesn't Mean Safe

The study confirms what we have suspected for years: when manufacturers remove BPA, they simply swap it for BPS. Researchers found that while large retail chains have moved toward BPS, small local businesses continue to rely heavily on BPA-based thermal paper. The data shows that estimated intake levels for workers handling these papers regularly exceed the tolerable daily intake limits set by the European Food Safety Authority.

How to Limit Your Exposure

You cannot control what every shop uses, but you can change your habits. Refuse the paper receipt whenever possible, or ask for an email copy. If you must take one, wash your hands immediately after handling it and keep receipts out of your wallet or purse to prevent cross-contamination with your food or personal items. For the rest of your home, it is time to audit your paper goods and switch to non-toxic home alternatives that prioritize your health over convenience.

Source: Shin M, Lim JE, Mok S, Liao C, Moon HB (2026). Front Public Health.