A composition is described, which comprises a cationic, hydrophilic, amine containing cationic derivatives of native chitosan; bound to an anionic scavenger substance, which is either (a) selected from the group consisting of anionic ethylene amine compounds, tetraazacycloalkane-N,N,N,N-tetraacetic acids; and polymer derivatives of porphyrines, or, (b) in the case of use in an UV radiation absorbing formulation, an antiviral, antifungal or anti-inflammatory formulation, an endogenous compound wherein cationic derivatives of native chitosan are not covalently bound to DTPA or EDTA; the amount of EDTA exceeds 0.5 wight percent; and taurine and taurine derivatives are not present.

Uma composição é descrita, que compreenda um cationic, hydrophilic, amine que contem derivatives cationic de chitosan nativo; limite a uma substância anionic do limpador, que seja um ou outro (a) selecionado do grupo que consiste em compostos anionic do amine do etileno, o tetraazacycloalkane-N, N, N, ácidos N-n-tetraacetic; e derivatives do polímero dos porphyrines, ou, (b) no exemplo do uso em um formulation absorvente da radiação UV, em um formulation antiviral, antifungal ou anti-inflammatory, um composto endogenous wherein os derivatives cationic de chitosan nativo não são limitados covalently a DTPA ou a EDTA; a quantidade de EDTA excede 0.5 por cento do wight; e o taurine e os derivatives do taurine não estão atuais.

 
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