Best for: Liquid Germall Plus is a preservative for oil-in-water and water-in-oil emulsions and water-soluble formulations. It's good for water-based formulations. It can be added into many types of leave-on and rinse-off cosmetic formulations in\norder to extend their shelf-life. It is a good choice preservative for shampoos, conditioners, lotions, creams, body washes, body sprays and other such formulas.but not suitable for lip cosmetics