Abstract
An ideal hair-care product can restore the hydrophobicity and neutralize the static electricity of hair. As an effective ingredient in hair-care products, silicone oil is difficult to form emulsions due to its hydrophobic and oleophobic properties. To overcome these issues, a new system with natural polysaccharide-based particles and cationic conditioning agent as efficient emulsifier for hair-care product has been designed. In this study, a facile emulsifier formed with cellulose nanocrystals (CNCs) and hexadecyltrimethylammonium chloride (CTAC) was prepared. Compared with commercial emulsifiers, the CNCs/CTAC complex showed significant synergetic effect in preparing and stabilizing silicone oil emulsion. The properties of the gained silicone oil emulsion, deposition of silicone oil onto hair and combing work of hair could be controlled depending on CTAC concentration. Considering the functional properties of CTAC, which can absorb onto the hair to neutralize negative charges, silicone oil emulsion stabilized by CNCs/CTAC complex would be applied to hair-care product.
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