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Preparation of deodorant and anti-perspiring oil-in-water emulsions using a Lithothamnium Calcarum Extract such as the one comprised in the composition commercialized under the trade-name of PHYCOCORAIL™

IP.com Disclosure Number: IPCOM000248668D
Publication Date: 2016-Dec-23

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Preparation of deodorant and anti-perspiring oil-in-water emulsions using a Lithothamnium Calcarum Extract such as the one comprised in the composition commercialized under the trade-name of PHYCOCORAIL™.

In the field of cosmetic developments, consumer reviews is fundamental. The acceptability of the new product by the user is a key criterion for innovation. Especially for deodorants and antiperspirants, it requires a number of properties: efficiency, anti marks, safety, and sensory qualities such as smooth, fast drying and non-sticky dry finish. The present communication relates to experimental work which consisted in optimizing a roll-on deliverable oil-in-water emulsion, to reduce drying time and improve the residual sensation onto the skin. A sensory test on consumers completed by an instrumental measurement, were used to assess these objectives.

Our study focused on setting-up  a topical oil-in-water emulsion comprising a low content  fatty phase, and containing an alkylpolyglycoside emulsifier, a natural thickening polymer and an antiperspirant active, and the texturizing agent studied named Lithothamnium Calcarum Extract comprised into a composition commercialized under the trade-name of PHYCOCORAIL™.

As examples of emulsifying surfactants present in the deodorant and anti-perspiringtopical oil-in-water emulsion comprising Lithothamnium Calcarum Extract, mention may be made of nonionic surfactants, anionic surfactants and cationic surfactants. 

As examples of nonionic emulsifying surfactants present in the deodorant and anti-perspiringtopical oil-in-water emulsion comprising Lithothamnium Calcarum Extract, mention may be made of fatty acid esters of sorbitol, for instance the products sold under the names Montane™40, Montane™60, Montane™70, Montane™80 and Montane™85; compositions comprising glyceryl stearate and steric acid ethoxylated at between 5 mol and 150 mol of ethylene oxide, for instance the composition comprising steric acid ethoxylated at 135 mol of ethylene oxide and glyceryl stearate sold under the name Simulsol™ 165; mannitan esters; ethoxylated mannitan esters; sucrose esters; methylglucoside esters; alkyl polyglycosides comprising a linear or branched and saturated or unsaturated aliphatic radical, comprising from 14 to carbon atoms, such as tetradecylpolyglucoside, hexadecylpolyglucoside, octadecylpolyglucoside, hexadecylpolyxyloside, octadecylpolyxyloside, eicosylpolyglucoside, dodecosylpolyglucoside, 2-octyldodecylpolyxyloside or 12-hydroxystearylpolyglucoside; compositions of linear or branched and saturated or unsaturated fatty alcohols, comprising from 14 to 36 carbon atoms, and of alkyl polyglycosides as described above. 

As examples of anionic emulsifying surfactants present in the deodorant and anti-perspiringtopical oil-in-water emulsion comprising Lithothamnium Calcarum Extract, mention may be made of glyceryl stearate citrate, cetearyl sulfate, soaps such as sodium stearate or triethanolamm...