Pretty heating and potency

so swim tried making some dabs using the hair iron method but he didn't have parchment paper and he thought he'd try using foil instead. OnCe he could get the smell of the Weed like burnt popcorn he took it out and the weed was obviously more compact but it looked a bit oily but no resin on the foil.Swim then proceeded to mix it with the other normal half of weed he had planned on smoking And felt like he had a much more potent high. So I guess the question is, would heating the weed up to the point of it getting oily then smoking it increase its potency?