Other
CAPRYLETH-4
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Capryleth-4 is a cosmetic ingredient used in product formulations. Exercise caution due to limited available safety data.
CAPRYLETH-4 is a nonionic surfactant derived from capryl alcohol (C8) with approximately 4 moles of ethylene oxide. The short alkyl chain and low EO degree result in a surfactant with efficient foaming properties and good degreasing ability. In the EU, this ingredient is listed in Annex III and is permitted in rinse-off cosmetic products. The SCCS has assessed the safety of C8-C10 ethoxylated surfactants and concluded they present low concern at typical rinse-off concentrations, though leave-on use requires a safety assessment.
Skin benefits
- Efficient foaming surfactant ideal for facial cleansers and body washes
- Mild cleansing action effectively removes oil and impurities without harsh stripping
Known concerns
- Low EO degree means the surfactant can be more drying than higher EO ethoxylates
- EU purity standards require residual monomer control
- Primarily recommended for rinse-off formulations; leave-on use requires evaluation
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.