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Is ammonium persulfate safe for baby skin?

Reviewed by · Last reviewed

Baby skin
ammonium persulfate
NO KNOWN RISKS
93
/100

Also relevant: pregnancy safety

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Gentle products containing ammonium persulfate

Sources & references

Authoritative references used to score this ingredient.

IngredientsPregnancy-Safe Ingredients Database — 28,000+ Ingredients Rated

See also

Frequently asked questions

Is ammonium persulfate safe for baby skin?
Hazard/mechanism: authoritative reviews found no reproductive/developmental hazard (CIR, EPA) so hazard and mechanism scores remain 0. Exposure: ammonium persulfate is a highly water‑soluble inorganic salt used in rinse‑off hair bleaches; dermal systemic absorption is expected to be very low in adults (e=0) but, following the scoring rules, infant skin exposure is increased by +1 because infants have higher surface‑area:weight and an immature barrier—so baby e=1. Occupational/inhalation risks (sensitization/asthma) are documented but do not change reproductive scores. ([pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/11766134/))
Is ammonium persulfate safe for newborns?
Hazard/mechanism: authoritative reviews found no reproductive/developmental hazard (CIR, EPA) so hazard and mechanism scores remain 0. Exposure: ammonium persulfate is a highly water‑soluble inorganic salt used in rinse‑off hair bleaches; dermal systemic absorption is expected to be very low in adults (e=0) but, following the scoring rules, infant skin exposure is increased by +1 because infants have higher surface‑area:weight and an immature barrier—so baby e=1. Occupational/inhalation risks (sensitization/asthma) are documented but do not change reproductive scores. ([pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/11766134/))
Can I use ammonium persulfate on a baby under 6 months?
We don't have baby-skin-specific data for ammonium persulfate. Stick to ingredients we've marked no known risks for babies until more evidence is available.
What are safer alternatives to ammonium persulfate for babies?
See our curated list of pregnancy-safe alternatives to ammonium persulfate based on similar function and a no-known-risks safety band.
How does VeriMom rate ammonium persulfate for baby skin?
VeriMom scores ammonium persulfate at 93/100 (no known risks) based on EU CosIng status, ECHA hazard classifications, and peer-reviewed PubMed studies. Our scoring pipeline is fully transparent.

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Medical Disclaimer

This information is for educational purposes only and does not constitute medical advice. Safety scores are based on publicly available data and may not reflect all risks. Always consult your healthcare provider before using any product during pregnancy or breastfeeding.

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