To provide a surfactant composition having good fluidity in a wide temperature range even if the composition contains a polyoxyethylene alkyl ether sulfate or a alkyl sulfate in high concentration, hardly causing increase of viscosity or gelation at dilution, hardly reducing the properties originally possessed by a surfactant, and useful for producing a skin detergent or a hair detergent such as a shampoo or a body shampoo.
The surfactant composition contains (A) the polyoxyethylene alkyl ether sulfate represented by general formula (1): R1O(CH2CH2O)nSO3M (1) or the alkyl sulfate, (B) a compound represented by general formula (2): R2O-(AO)m-R3 (2) and (C) water-soluble salts regulated so that the content of the component (A) may be ≥40 wt.% and the viscosity at 30°C may be 1,000-70,000 mPa s.
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Miyuki Ariga
Toshio Takano
Toshio Nakajima
Masaki Murata
Hiroto Yamamoto
Hiromi Matoba
Moriya Kataka
Ohno Shiki
Masahiro Matsuda
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