Imidazolidyl urea is a new generation of cosmetics preservatives,
used in the cosmetics industry, is the most widely used
preservatives in addition to paraben ester, antibacterial spectrum
is wide, almost can be compatible with all cosmetics raw materials,
use concentration of 0.*5% ~ 0.5%, the most suitable pH3 ~ 9, can
be added at any stage of cosmetics manufacturing, and paraben ester
compound show synergistic effect. In the mid ***0s, Germall**5 was
synthesized in SuttChemicalbookon laboratory, and then GermallⅡ was
synthesized in ***1. The antibacterial effect was better than
Germall**5, and it was especially effective against pseudomonas,
bacteria, molds and yeast, and also effective against the variant
of C. coli negative bacteria. Widely used in cream, lotion, shampoo
and some difficult anti-corrosion cosmetics, also can be used as
food and medicine preservative.
