germall™ 115 preservative is a white, free-flowing hygroscopic powder. It is very effective against Gram-positive and Gram-negative bacteria, including Pseudomonas species. It acts synergistically with other preservatives. With parabens, it provides a broad spectrum of activity against bacteria, yeast, and mold. This activity has made the germall™ 115 preservative – paraben combination one of the most widely used cosmetic preservative systems in the world.