Topical compositions comprising n-acetyl-l-cysteine

A - Human Necessities – 61 – K

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Details

A61K 31/195 (2006.01) A61K 31/198 (2006.01) A61K 47/06 (2006.01) A61K 47/10 (2006.01) A61K 47/14 (2006.01)

Patent

CA 2193087

Compositions comprising (i) an active comprising NAC and (ii) a nonformaldehyde forming preservative and that are substantially free of formaldehyde and formaldehyde forming components. The compositions have higher efficacy and stability than corresponding compositions that do contain formaldehyde or formaldehyde forming components.

Compositions contenant (i) un ingrédient actif qui renferme de la N-acétyle-L-cystéine et (ii) un agent conservateur ne formant pas de formaldéhyde, ces compositions étant pratiquement exemptes de formaldéhyde et de constituants formant du formaldéhyde. Lesdites compositions présentent une efficacité et une stabilité plus élevée que les compositions correspondantes qui contiennent du formaldéhyde ou des constituants formant du formaldéhyde.

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