But despite the many SPF products and brands I've tried and loved, I definitely lack discipline when it comes to reapplying. However, the No. 41 Mister by Habit could change the game for me.

"The efficacy of the SPF depends on how well you apply it. A shot glass amount for the body and about a teaspoon for the face. Reapply every 2 hours," says Dr. Marie Hayag, a board-certified ...