Does Niacinamide Expire?
Niacinamide does not expire, but it does degrade over time. Niacinamide is a vitamin B3 derivative; therefore, like all vitamins, it loses its potency as …
Niacinamide does not expire, but it does degrade over time. Niacinamide is a vitamin B3 derivative; therefore, like all vitamins, it loses its potency as …