Deodorant is yet another thing to add to the ever-growing list of things you've apparently been doing wrong your whole life.
Although the advice has been written about before, it took an article by Chris Plante over on the Verge to enlighten us.
While most people, us included, generally reach for the anti-perspirant bottle post-morning shower, you should in fact apply the stuff the night before.
Yes, you read that correctly. Anti-perspirant, as opposed to deodorant, works by clogging up the sweat glands in your armpits.
Applying the night before allows the substance to soak in and really get to work on those pores and even if a bit of residue gets washed off in your morning shower, the antiperspirant will have already taken effect.
The problem with applying in the morning, as Dr Dee Anna Glaser, a founding member of the International Hyperhidrosis Society, explained to Huffington Post last year, is that you will have already started sweating and the antiperspirant can't quite reach down into the ducts.