Method to assess surfactant adsorption on skin

Details Method to assess surfactant adsorption on skin Method to assess surfactant adsorption on skin

A - Human Necessities

61

K

A61K 49/00 (2006.01) G01N 33/50 (2006.01) G01N 33/52 (2006.01)

Patent

CA 2631226

A convenient to use test method for comparing the relative affinity of surfactants for the skin employs a solid or semisolid matrix for associating a dye or pigment with the skin. The dye or pigment has an affinity to either the skin or a surfactant adsorbed on the skin during personal cleansing. The matrix may include a reagent soluble polymer film or temporary tattoo.

L'invention concerne un procédé de test commode à utiliser, destiné à comparer l'affinité relative d'agents tensio-actifs pour la peau, ledit procédé faisant appel à une matrice solide ou semi-solide pour associer un colorant ou un pigment avec la peau. Ledit colorant ou ledit pigment présente une affinité soit avec la peau, soit avec un agent tensio-actif adsorbé sur la peau au cours de la toilette personnelle. La matrice peut comprendre un tatouage temporaire ou un film polymère soluble dans un réactif.

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