Tip? You mean the protective pieptte-hat? (And yes, I've had med students call them that and trying to pipette without a tip)

I get that, that was already discussed, so I wanted to focus on the confusing PPE situation

It’s a Gilson pipette though. That’s the Rolls Royce of pipettes!

No, that's an osteo-injection, the tip is deep inside her already. Given how thin her arms are, he probably misjudged and is about to dribble the poison onto his shoes.