Originally Posted by
AnkleWork
To better prevent long term sticking, look for actual talcum powder (mineral). Most current "baby powders" are corn starch or a type of sugar which actually increase stickiness over time.
Talcum powder is nasty stuff and probably carcinogenic.
I've been using baby powder for 30 years and it has never gotten sticky.
But it's only to help the tube not stick to the tire - makes installation easier - especially with a new tube or tire, doesn't help with flats.