Is Cocamidopropyl betaine (CAPB) safe for babies and kids?
Elevated risk for kidsInfants are exposed to Cocamidopropyl betaine (CAPB) through residues on laundered clothing, baby wipes, and bathing products. Immature skin barrier increases dermal absorption.
What is cocamidopropyl betaine (capb)?
Also known as: cocamidopropyl betaine, بيتاين بروبيل كوكاميد, kokamidopropylobetaina, Cocamidopropylbetaïne.
- CAS number
- 61789-40-0
Risk for babies
Elevated riskInfants are exposed to Cocamidopropyl betaine (CAPB) through residues on laundered clothing, baby wipes, and bathing products. Immature skin barrier increases dermal absorption.
Neonates and infants up to 12 months have incomplete blood-brain barrier development, immature Phase I/II metabolic enzymes (particularly CYP3A4, UGT1A1), and higher gastrointestinal permeability. Equivalent doses produce higher internal concentrations and longer residence times.
Risk for pregnant and nursing people
Context-dependentPrenatal exposure to Cocamidopropyl betaine (CAPB) through consumer products may affect fetal development. Surfactant compounds can enhance dermal absorption of co-occurring chemicals during pregnancy.
No specific reproductive toxicity data identified, but pregnancy-specific safety data is limited for most chemicals. Precautionary minimization of exposure is recommended.
Regulatory consensus
1 regulatory bodyhas classified Cocamidopropyl betaine (CAPB).
| Agency | Year | Classification | Notes |
|---|---|---|---|
| EU_COSMETICS | 2009 | restricted_preservative | EU Annex III — restrictions |
Regulators apply different standards of evidence — animal-data weighting, exposure-pattern assumptions, epidemiological power thresholds — which is why two scientific bodies can review the same data and reach different conclusions. The disagreement is the data.
Where kids encounter cocamidopropyl betaine (capb)
- Personal Care — shampoo, baby shampoo, body wash, facial cleanser, contact lens solution
Safer alternatives
Lower-risk approaches that achieve a similar outcome to Cocamidopropyl betaine (CAPB):
-
Sodium cocoyl isethionate
Trade-offs: Alternative surfactant; performance characteristics (foaming, emulsification, wetting) vary; biodegradability and aquatic toxicity should be assessed; formulation adjustment may be needed.Relative cost: 1.2-2×
-
Disodium cocoyl glutamate
Trade-offs: Extremely mild (pH 5.5-6.5); biodegradable; derived from amino acids and fatty acids; premium ingredient cost; excellent consumer perception; lower foam volume than sulfate surfactants.Relative cost: 1.2-2×
Frequently asked questions
Is cocamidopropyl betaine (capb) safe for kids?
Infants are exposed to Cocamidopropyl betaine (CAPB) through residues on laundered clothing, baby wipes, and bathing products. Immature skin barrier increases dermal absorption.
What products contain cocamidopropyl betaine (capb)?
Cocamidopropyl betaine (CAPB) appears in: shampoo (Personal care); baby shampoo (Personal care).
What should I do if my child is exposed to cocamidopropyl betaine (capb)?
Minimize infant exposure through source control. For breastfeeding mothers: reduce maternal exposure. For formula-fed infants: use certified low-migration bottles and verified water sources. Consult pediatrician regarding any concerns.
See Cocamidopropyl betaine (CAPB) in the baby app
Look up products containing cocamidopropyl betaine (capb), compare to alternatives, and explore the full data record.
Open in baby View raw API dataSources (1)
- PubChem Compound Database (2026) — database
Reference data, not professional advice. Aggregates publicly available regulatory and scientific data; not a substitute for veterinary, medical, legal, or regulatory advice. Why we built ALETHEIA →