Ingredient glossary
Sodium Cocoyl Isethionate
INCI: Sodium Cocoyl Isethionate · Also: SCI
Solid and proven
Does Sodium Cocoyl Isethionate clash with what you already use? Check it →A genuinely useful ingredient with real evidence behind it, not hype.
What it does
- cleansing
- mildness
moderate evidenceIndustry and dermatology sources describe sodium cocoyl isethionate as significantly less irritating than SLS and suitable for syndet cleansers in atopic and sensitive skin though formal TEWL data are limited compared with SLS models.
Who it's for, and who should skip it
Tends to suit
- oily
- combo
- normal
- sensitive
Approach with care
- very dry
- Clogs poresLow
- Irritation riskLow
Plays well with
- amphoteric surfactants
- nonionic surfactants
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Educational information about a cosmetic ingredient, not medical advice.