Niacinamide Overload? Why It’s in Almost Every Hyperpigmentation Serum @ChemistConfessions
Niacinamide Overload? Why It’s in Almost Every Hyperpigmentation Serum  @ChemistConfessions
Uploaded March 2026 | Updated September 2026, 3 hours ago
We tested 18 hyperpigmentation products — and noticed one common ingredient 👀

14 out of 18 formulas contained niacinamide.

It’s a great “vanilla” active, but when it appears in multiple steps of your routine, it can add up fast. If your skin feels more textured or sensitive, it might be worth checking your ingredient lists.

Sometimes even good ingredients can be too much of a good thing. Let’s discuss.
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Niacinamide Overload? Why It’s in Almost Every Hyperpigmentation Serum

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