Is potassium alum safe during pregnancy?
Reviewed by VeriMom Editorial Team · Last reviewed
Pregnancy-Safe Ingredients Database — 28,000+ Ingredients Rated
potassium alum
NO KNOWN RISKS100
/100
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Pregnancy-safe products containing potassium alum

Asepso
Asepso Sport
100/100

OSMA
Bloc d'Alun
100/100

Biork
Biork Deodorant Stick
100/100

Deonat
Desodorante piedra de alumbre mineral
100/100

Déoroche
Pierre d'Alun du Panama
100/100

Floressance cosmétique
Pierre alun
100/100

Dermophil
Déodorant doux Pierre d'Alun de Potassium 24H
100/100

NATURAVERDE
Allume di rocca deodorante stick
100/100

Cap Cosmetics
Pierre d'Alun
100/100

Cosmédiet
"Pierre d'alun" Galet 100% naturel
100/100
Related ingredients
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Sources & references
Authoritative references used to score this ingredient.
Frequently asked questions
- Is potassium alum safe during pregnancy?
- No harmonised reproductive classification (ECHA Annex VI) for potassium alum, and reviews of aluminum salts in cosmetic contexts find no evidence of reproductive hazard when used topically. Dermal absorption from alum-containing topical products is negligible, so systemic exposure in pregnancy is minimal (sources: ECHA Annex VI: no harmonised CLP for reproductive toxicity; PubChem/CosIng entries showing typical uses and lack of reproductive classification).
- Is potassium alum safe while breastfeeding?
- Same rationale as pregnancy: no harmonised classification or established reproductive mechanism; topical use produces negligible systemic exposure and no data indicating risk to lactation or breastfed infants (sources: PubChem, CosIng, lack of CIR/SCCS flags specific to reproductive hazard).
- Is potassium alum safe for baby skin?
- No evidence that potassium alum is a reproductive or developmental toxicant for infants; mechanism unknown (no mechanistic data). However, infant skin has higher permeability, so exposure score is increased by +1 relative to adults even though absorption is low for topical alum products (sources: CosIng, PubChem, EWG commentary on topical alum use).
- How does VeriMom score potassium alum?
- VeriMom scores potassium alum at 100/100 (no known risks) based on EU CosIng status, ECHA hazard classifications, and peer-reviewed PubMed studies. Our scoring pipeline is fully transparent.
- What are pregnancy-safe alternatives to potassium alum?
- See our curated list of pregnancy-safe alternatives to potassium alum based on similar function and a no-known-risks safety band.
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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.