Any grooming product, for me.
Like, I appreciate the intention, and I get this is the default masculine gift to fall back on, but please don’t. I know what specific brands, and products, and scents, and everything I personally enjoy.
I don’t need your guessing game, but I appreciate the intent and I’m too polite to say anything about it.
Edit: I have a feeling I misunderstood the meaning of the question.