Sodium C14-C16 Olefin Sulphonate is considered skin irritant in this study (1).
Few other scientifically relevant information on this chemical compound.
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(1) Hazardous substances in frequently used professional cleaning products
Fabian Melchior Gerster, David Vernez, Pascal Pierre Wild, Nancy Brenna Hopf
Int J Occup Environ Health. 2014 Mar