Would using baby powder be beneficial?

Just starting out with chastity. This is my first real time in a lock (currently on day six). I naturally run warm and sweat heavily, which might be linked to my TRT therapy. My question is: would applying baby powder or talc make a difference? Things are fine right now, but I want to stop chafing before it begins. It feels like an obvious query, yet I’m looking to avoid skin irritation and smell early on. Between spray powders and traditional ones, which do you prefer?