EP1559433A1 — Stabilized composition

USPTO Abstract

The present invention provides a composition containing a substance being capable of supplying aldehyde-like substances to be used in the field of medicaments, cosmetics, hair care products, etc., that contains a low-molecular weight active substance the stability of which is impaired by the effects of aldehydes and a stabilizer having an amine structure and being capable of absorbing aldehydes, and has an improved stability to aldehyde of said low-molecular weight active the stability of which is impaired by the effects of aldehydes substance; and a method for stabilizing such a low-molecular weight active substance. An example of said stabilizer is an aminosugar or a polymer thereof, an aminosugar alcohol or a polymer thereof, an amino acid or a polymer thereof, a protein or a hydrolysate thereof, an alkylamine, a hydroxyalkylamine, or a salt thereof.