Indistinct chlorhexidine (circled) is easily mistaken for other colourless solutions leading to the suffering of many patients. It's been injected into patients spines causing paralysis, legs leading to amputation, and arteries supplying the brain causing agonising death.

Distinct versions of chlorhexidine (on right in image) and non-pourable applicators are already used in many hospitals without problem. For more information please see link: http://wp.me/p8r3e4-t