Is it safe to use plastic wrap directly on warm food?
Based on 1 peer-reviewed studykitchen
Verdict: Avoid
No. Plastic wrap can transfer plasticizers to warm food. Use glass containers with lids instead.
What's actually in it
BPA (bisphenol A) and its alternatives like BPS and BPF are used in plastic containers and can linings. They leach into food and drinks, especially under heat. They act like estrogen in the body.
What the research says
A 2026 study in annu rev food sci technol examined chemical exposure from everyday household and kitchen products. Researchers found that material choice and temperature both affect how much chemical transfer occurs.
Source: Pandiangan FI et al. (2026). Annu Rev Food Sci Technol.
The research at a glance
| Study | Journal | Year |
|---|---|---|
| Microplastics in the Food System: Should We Worry? | Annu Rev Food Sci Technol | 2026 |
What to use instead
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