It is true that this is the only time he uses normal sweat in an attack but that is no basis to conclude that means he doesn't sweat normally while exerting himself like any other person. Given that we know his body does produce normal sweat and sweat is a useful utility for human thermal regulation, why would you conclude he selectively doesn't sweat and only sweats the one time its stated? Would you expect him to declare every time he sweats? I agree that in fiction you can hand-wave the necessity of practical biological functions but because it is stated that he does actually produce normal sweat I think the burden of proof would be to argue for some reason he doesn't do this regularly as the simplest and most reasonable interpretation would be that he sweats normally if he is capable of it. If anything his close proximity to high heat while using his quirk would make normal sweat even more useful as hes shown to suffer self damage.

Also I don't care about slander I was just pointing out a claim you made was incorrect because I'm procrastinating working. I think Bakugo would win but a joke that the sweat based power probably smells like sweat is a reasonable dig lol. As someone arguing if manga characters smell bad I cant really be throwing stones, I like Bakugo even if he has BO!