VeriMomIs polyquaternium-4 safe for baby skin?
Reviewed by VeriMom Editorial Team · Last reviewed
Baby skin
polyquaternium-4
NO KNOWN RISKS93
/100
Also relevant: pregnancy safety
Want to know if polyquaternium-4 is also safe during pregnancy?
Is polyquaternium-4 safe during pregnancy? →Gentle products containing polyquaternium-4
Lion
CLINICA Advantage Gel Toothpaste (for electric toothbrushes) (Pack of 2) + CLINICA ADVANTAGE Dental Floss Y-Type
Schwarzkopf Professional
Schwarzkopf Professional Blondme Premium Lightener 9+
Revolution
Revolution Haircare | Blonde Plex 3 Bond Restore Treatment
Revolution
Revolution Haircare Plex 3 Bond Restore Treatment
Atomy
Atomy Ultra Rich Body Wash (Discontinued)
Orofluido
Orofluido Volume Mousse
Revolution
Revolution Haircare Blonde Plex 5 Bond Plex Conditioner
Energie Fruit
Ylang Ylang et miel de Manuka Cheveux frisés Shampoing nourissant & anti-frisottis
Sources & references
Authoritative references used to score this ingredient.
Ingredients — Pregnancy-Safe Ingredients Database — 28,000+ Ingredients Rated
See also
Frequently asked questions
- Is polyquaternium-4 safe for baby skin?
- No data indicating developmental or reproductive hazard for infants. Mechanistic data lacking. Exposure score increased by +1 for infants (e=1) because although adult dermal absorption is expected to be negligible for a high‑molecular‑weight polymer, infant skin has a less mature barrier and higher surface‑area‑to‑weight ratio leading to low but measurable potential exposure.
- Is polyquaternium-4 safe for newborns?
- No data indicating developmental or reproductive hazard for infants. Mechanistic data lacking. Exposure score increased by +1 for infants (e=1) because although adult dermal absorption is expected to be negligible for a high‑molecular‑weight polymer, infant skin has a less mature barrier and higher surface‑area‑to‑weight ratio leading to low but measurable potential exposure.
- Can I use polyquaternium-4 on a baby under 6 months?
- We don't have baby-skin-specific data for polyquaternium-4. Stick to ingredients we've marked no known risks for babies until more evidence is available.
- What are safer alternatives to polyquaternium-4 for babies?
- See our curated list of pregnancy-safe alternatives to polyquaternium-4 based on similar function and a no-known-risks safety band.
- How does VeriMom rate polyquaternium-4 for baby skin?
- VeriMom scores polyquaternium-4 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.