| abstract |
The present invention relates to undecylenic acid derivatives which are products obtained by the reaction of a hydrophilic organic polymer having a primary alcohol and / or a primary amine group with undecylenic acid.n n n If desired, the reaction product is further lyophilized.n n n The derivatives have anti-dandruff, antiperspirant, and anti-acne properties and can be used as kitchen preservatives or auxiliary preservatives and emulsifiers in cosmetic or pharmaceutical compositions. |