Is tetrapeptide-26 safe for baby skin?
Reviewed by VeriMom Editorial Team · Last reviewed
Baby skin
tetrapeptide-26
NO KNOWN RISKS93
/100
Also relevant: pregnancy safety
Want to know if tetrapeptide-26 is also safe during pregnancy?
Is tetrapeptide-26 safe during pregnancy? →Gentle products containing tetrapeptide-26

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Marks & Spencers Formula
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Marks & Spencers Formula
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M&S Formula
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Obagi
Obagi Kinetin+ Rejuvenating Serum

IDC
IDC Boost Energy
Sources & references
Authoritative references used to score this ingredient.
Ingredients — Pregnancy-Safe Ingredients Database — 28,000+ Ingredients Rated
See also
Frequently asked questions
- Is tetrapeptide-26 safe for baby skin?
- No hazard or mechanistic reproductive/endocrine concerns identified. Exposure score increased to 1 for baby skin (vs adult 0) because baby/infant skin has an immature barrier and higher surface-area-to-weight ratio; while tetrapeptides are generally of low permeability, measurable percutaneous absorption cannot be excluded for infants, so exposure is considered low but non‑negligible. No infant‑specific toxicity data were identified.
- Is tetrapeptide-26 safe for newborns?
- No hazard or mechanistic reproductive/endocrine concerns identified. Exposure score increased to 1 for baby skin (vs adult 0) because baby/infant skin has an immature barrier and higher surface-area-to-weight ratio; while tetrapeptides are generally of low permeability, measurable percutaneous absorption cannot be excluded for infants, so exposure is considered low but non‑negligible. No infant‑specific toxicity data were identified.
- Can I use tetrapeptide-26 on a baby under 6 months?
- We don't have baby-skin-specific data for tetrapeptide-26. Stick to ingredients we've marked no known risks for babies until more evidence is available.
- What are safer alternatives to tetrapeptide-26 for babies?
- See our curated list of pregnancy-safe alternatives to tetrapeptide-26 based on similar function and a no-known-risks safety band.
- How does VeriMom rate tetrapeptide-26 for baby skin?
- VeriMom scores tetrapeptide-26 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.