((No outright killing, maiming, or harm mostly. She can't control what someone does with her items once they leave her possession, but she won't create something that's intended for violence. Theft or lies are a maybe if there is a really good reason... If it's something that goes against a law like idk, a plant that is illegal to own but is necessary to create an antidote or such... Screw the law. XD))

She gives him a smile in return and considers the request. Freely given hair was something she'd have to consider carefully, there was magical potential there and she's unsure of trusting him with that.

"I will consider it then. If there is no rush, I would much rather spend a few days checking over my cart and items. I do not want to leave compromised enchantments unrepaired and risk a collapse of my work."

It's not 'no', but at the same time, she would rather get her bearings first and get a better sense of him before trusting him like that. Trixie might be trusting, but she's not stupid.