Aquaphor Baby Diaper Rash Paste (40% Zinc Oxide)
Quick verdict
- Verdict
- Avoid
- Evidence
- Moderate
Lead above 1,000 ppb and cadmium were reported in the tested 40% zinc-oxide paste.
The report covers the tested sample, not every batch or every product from this brand. See version details.
- Avoid
- Lead above 1,000 ppb and cadmium were reported in the tested 40% zinc-oxide paste.
- Caution
- This is the 40% zinc-oxide paste, not Aquaphor Healing Ointment.
What we could not verify
- The report covers the tested sample, not every batch or every product from this brand.
- This is the 40% zinc-oxide paste, not Aquaphor Healing Ointment.
- This review does not establish skin absorption, individual health risk, or current results for an untested lot.
Why we reached this verdict
Lead above 1,000 ppb and cadmium were reported in the tested 40% zinc-oxide paste. The result is published by Lead Safe Mama with a linked laboratory report. The reported detections are the basis for its Avoid tier under our precautionary standard. The report covers the tested sample, not every batch or every product from this brand. The result does not establish the absorbed dose or the health effects of using this product.
What we like and what concerns us
- Avoid
- Lead above 1,000 ppb and cadmium were reported in the tested 40% zinc-oxide paste.
- Caution
- This is the 40% zinc-oxide paste, not Aquaphor Healing Ointment.
What the evidence shows
Tested Aquaphor Baby Healing Paste (40% zinc oxide diaper rash paste) was reported as positive for lead (described as significantly over 1,000 ppb) and for cadmium; no cadmium value is given in the article text.
Why we reached this verdict
Lead above 1,000 ppb and cadmium were reported in the tested 40% zinc-oxide paste. The result is published by Lead Safe Mama with a linked laboratory report. The reported detections are the basis for its Avoid tier under our precautionary standard. The report covers the tested sample, not every batch or every product from this brand. The result does not establish the absorbed dose or the health effects of using this product.
Findings on this site reflect the specific products, lots, and formulations examined on the dates cited. Manufacturers change formulations and suppliers without notice; a result reported for one lot does not guarantee the same result for another. Check the "last reviewed" date and the cited source before relying on any finding.
Explore materials & ingredients
Explore the evidence
The ingredients discussed in this review
Zinc oxide
- Why it is discussed here
- The concern here is the reported metal finding in the finished product. This test does not identify zinc oxide as the source.
What we could not verify
- The report covers the tested sample, not every batch or every product from this brand.
- This is the 40% zinc-oxide paste, not Aquaphor Healing Ointment.
- This review does not establish skin absorption, individual health risk, or current results for an untested lot.
Materials & ingredients
| Material or ingredient | What it is | Concern level | Why it's flagged here |
|---|---|---|---|
| Zinc oxide | Zinc oxide is a mineral compound and the FDA-recognized active ingredient in most diaper-rash ointments and mineral sunscreens; it forms a physical barrier on skin and has a long safety record at the concentrations those products use. | Use with caution | The concern here is the reported metal finding in the finished product. This test does not identify zinc oxide as the source. |
Testing history
| Source | Date | Tested for | Result |
|---|---|---|---|
| Laboratory testing published by Lead Safe Mama | September 2025 | Lead, cadmium, mercury and arsenic | Lead above 1,000 ppb and cadmium were reported in the tested 40% zinc-oxide paste. |
Explore the research
What the evidence tells us
Lead above 1,000 ppb and cadmium were reported in the tested 40% zinc-oxide paste. Our Avoid rating follows the reported detections, rather than the product’s marketing or certification claims.
What's still uncertain
- The report covers the tested sample, not every batch or every product from this brand.
- This is the 40% zinc-oxide paste, not Aquaphor Healing Ointment.
- This review does not establish skin absorption, individual health risk, or current results for an untested lot.
Technical detail & sources
Reported testing
- Lead, cadmium, mercury and arsenic: Lead above 1,000 ppb and cadmium were reported in the tested 40% zinc-oxide paste.. Laboratory testing published by Lead Safe Mama (September 2025). Read the published report.
Sources to read
- Published test report: Aquaphor Baby Diaper Rash Paste (40% Zinc Oxide), Lead Safe Mama (2025)
Read the category’s editorial sources
Final verdict against our diaper-rash creams standard
Avoid Published as Avoid under the published standard for diaper-rash creams, based on the specific, dated findings above. That standard was written before this or any other product on the page was evaluated, and doesn't change to fit a favorite See the full site-wide standard for how every category is held to the same process.