cystine est-il sûr pendant la grossesse ?
Cystine (the oxidized dimer of cysteine, CAS 56-89-3) is a naturally occurring amino acid derivative with no harmonised reproductive classification at ECHA Annex VI, no CIR or SCCS safety flags for reproductive toxicity, and no credible peer‑reviewed evidence of teratogenicity or reproductive toxicity in the cosmetic/toxicology literature. Physiologically it is a normal dietary/biological component, not a known reproductive toxicant (sources: ECHA Annex VI — no harmonised CLP; PubChem summaries; PubMed literature searches showing no reproductive hazard).
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Frequently asked questions
- cystine est-il sûr pendant la grossesse ?
- Cystine (the oxidized dimer of cysteine, CAS 56-89-3) is a naturally occurring amino acid derivative with no harmonised reproductive classification at ECHA Annex VI, no CIR or SCCS safety flags for reproductive toxicity, and no credible peer‑reviewed evidence of teratogenicity or reproductive toxicity in the cosmetic/toxicology literature. Physiologically it is a normal dietary/biological component, not a known reproductive toxicant (sources: ECHA Annex VI — no harmonised CLP; PubChem summaries; PubMed literature searches showing no reproductive hazard).
- cystine est-il sûr pendant l'allaitement ?
- No evidence that cystine poses reproductive or lactation-associated hazards; as an endogenous amino acid dimer it is not known to interfere with lactation or to concentrate in breast milk as a toxicant. No harmonised CLP or regulatory safety assessment (CIR/SCCS) indicates risk during breastfeeding (sources: PubChem, PubMed, CIR/SCCS absence).
- cystine est-il sûr pour la peau de bébé ?
- No evidence of intrinsic reproductive or developmental toxicity for topical cystine. Absorption from skin for small, water‑soluble amino acids/dipeptides is generally low but measurable; because infant skin has higher surface‑area-to‑weight and a less mature barrier, exposure score is increased by +1. No infant‑specific hazards or studies indicating developmental effects were found (sources: CosIng listing; PubChem; general dermal absorption principles from peer‑reviewed literature).
- Comment VeriMom évalue-t-il cystine ?
- VeriMom évalue cystine à 100/100 (pas de risques connus) sur la base du statut EU CosIng, des classifications ECHA et des études PubMed.
- Quelles sont les alternatives sûres à cystine pendant la grossesse ?
- Consultez notre liste d'alternatives sûres à cystine basée sur une fonction similaire et une classification sans risques connus.
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Avis Médical
Ces informations sont fournies à titre éducatif uniquement et ne constituent pas un avis médical. Les scores de sécurité sont basés sur des données accessibles au public et peuvent ne pas refléter tous les risques. Consultez toujours votre professionnel de santé avant d'utiliser tout produit pendant la grossesse ou l'allaitement.