Cetrimide is an purifying agent, means it has various antibacterial, antifungal and other antimicrobial properties and can be applied to skin that helps to avoid or reduce the risk of infection. It also acts as a surfactant that is it works as a detergent with cleaning properties.
Because of its antimicrobial and detergent properties, many shampoos and conditioners also contain this antiseptic as an active ingredient.

How safe is it?

Hang tight. We're thinking.