"To remove any residue" means to eliminate or get rid of any remaining or leftover substances, particles, or traces that are left behind and can still be present after a certain process or activity. Full definition
Homemade fruit and vegetable washes are effective at removing residue from produce and also help preserve the fridge - life of these foods since bacteria that may cause decay is removed. (wellnessmama.com)
The most common method for removing residue is to strip diapers. (diaperjungle.com)
Be sure to wash his paws off with warm water to remove this residue after going outside. (hartz.com)