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

Erbolario
Erbolario Maschera Viso Con Argilla Bianca E Verde E Propoli

SeboCalm
SeboCalm ZitOut Face Wash

Paula's Choice
Paula's Choice 25% Vitamin C + Glutathione Clinical Serum

Phyto
Phyto Cédrat Purifying Treatment Shampoo

Biopoint
Biopoint Dermo-purifying Shampoo

Raw Sugar
Raw Sugar Multi-miracle Leave-in Conditioner And Heat Protectant

Naturalmila
Naturalmila Rebalancing Probiotic Face Cream
Sources & references
Authoritative references used to score this ingredient.
Ingredients — Pregnancy-Safe Ingredients Database — 28,000+ Ingredients Rated
See also
Frequently asked questions
- Is lysine carboxymethyl cysteinate safe for baby skin?
- No evidence of specific developmental/infant toxicity. Adult topical absorption is expected to be low for this small, water‑soluble amino acid derivative (no data indicating high dermal bioavailability). Per scoring rules, because adult e is negligible but the ingredient is not absolutely non‑absorbable, increase exposure score by +1 for infants (immature barrier/high surface‑area‑to‑weight).
- Is lysine carboxymethyl cysteinate safe for newborns?
- No evidence of specific developmental/infant toxicity. Adult topical absorption is expected to be low for this small, water‑soluble amino acid derivative (no data indicating high dermal bioavailability). Per scoring rules, because adult e is negligible but the ingredient is not absolutely non‑absorbable, increase exposure score by +1 for infants (immature barrier/high surface‑area‑to‑weight).
- Can I use lysine carboxymethyl cysteinate on a baby under 6 months?
- We don't have baby-skin-specific data for lysine carboxymethyl cysteinate. Stick to ingredients we've marked no known risks for babies until more evidence is available.
- What are safer alternatives to lysine carboxymethyl cysteinate for babies?
- See our curated list of pregnancy-safe alternatives to lysine carboxymethyl cysteinate based on similar function and a no-known-risks safety band.
- How does VeriMom rate lysine carboxymethyl cysteinate for baby skin?
- VeriMom scores lysine carboxymethyl cysteinate 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.