Menthol vs Niacinamide. Gluconolactone
Menthol and Niacinamide. Gluconolactone are both other ingredient ingredients. Menthol is found in 84 products while Niacinamide. Gluconolactone appears in 1, making Menthol the more widely used option.
Menthol
Other ingredient
Niacinamide. Gluconolactone
Other ingredient