The Expert Panel for Cosmetic Ingredient Safety (Panel) assessed the safety of 13 alkyl sultaines, which are most frequently reported to function in cosmetics as antistatic agents, surfactants, and skin and hair conditioning agents. The Panel reviewed the available data to determine the safety of these ingredients. The Panel noted gaps in the available safety data for some of the alkyl sultaines in this safety assessment; the available data on some of the ingredients are sufficient, however, and can be read across to support the safety of other members of the group. The Panel concluded that these alkyl sultaines are safe in cosmetics in the present practices of use and concentration described in this safety assessment.
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http://dx.doi.org/10.1177/10915818231221791 | DOI Listing |
Int J Toxicol
February 2024
Cosmetic Ingredient Review Executive Director.
The Expert Panel for Cosmetic Ingredient Safety (Panel) assessed the safety of 13 alkyl sultaines, which are most frequently reported to function in cosmetics as antistatic agents, surfactants, and skin and hair conditioning agents. The Panel reviewed the available data to determine the safety of these ingredients. The Panel noted gaps in the available safety data for some of the alkyl sultaines in this safety assessment; the available data on some of the ingredients are sufficient, however, and can be read across to support the safety of other members of the group.
View Article and Find Full Text PDFACS Omega
April 2017
Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States.
Sulfobetaines (SBs) are a class of zwitterionic surfactants with a reputation for enhancing colloidal stability at high salt concentrations. Here, we present a systematic study on the self-assembly of SB amphiphiles (sultaines or hydroxysultaines) in aqueous solutions, as a function of chain length and composition, ionic strength, and in the presence of alkanethiol-coated Au nanoparticles (GNPs). The diameters of the micelles assembled from SB and amidosulfobetaine (ASB) generally increase monotonically with chain length, although ASB micelles are smaller relative to alkyl SB micelles with similarly sized tailgroups, and oleyl sulfobetaine (OSB) micelles are slightly larger.
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