Collistar Idroattiva+ Deep Moisturizing Cream. Collistar Cosmetics. The Made in Italy cosmetics brand Collistar was established as a subsidiary cosmetic company through the division of an Italian pharmaceutical company. From 1982 to 2006, Collistar's cosmetics evolved until clear guidelines were established: innovative products in both formulation and packaging, thorough testing of quality and effectiveness, and manufacturing must be conducted with the utmost scientific rigor.