Keeping feet in good shape is essential for a walking trip long or short.
Blisters and foot pain comes from friction. Reduction of friction must be a priority - and is something Compeed and the newer specialist blister plasters do not address.
Also a priority is to keep dressings in place - despite friction, perspiration, and wet.
Moleskin provides friction reduction. Leukotape is the medical version of Duct tape - super sticky. Friars' Balsam provides the Benzoin which help guarantee good adhesion to skin.
A few more grams for my pack!