Regimen Lab Level Serum Dupes & Cheaper Alternatives

Name: Level Serum
Brand: Regimen Lab
Rating: 91 (7 reviews)

From 10 Reddit threads · Updated October 8, 2026

91nextscore· 7 verdicts

Niacinamide-and-transexamic serum for dark spots; light, stackable, and under-makeup friendly. The catch: pigmentation results are mixed. Here's what Redditors reach for instead.

#1

Best Overall Alternative

576mentions

Niacinamide 10% + Zinc 1%

The Ordinary·Serum

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Oil control and pore shrinkage

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Size: 30 ml

The why

Studies found topical niacinamide helps acne, and Reddit mostly backs that for oil, pores, and red marks. The catch is the 10% strength: lots of users report stinging, flushing, and breakouts, especially on sensitive or already angry skin.

One minus

10% is where the irritation starts for a lot of people

The original, at a glance

Regimen Lab Level Serum

Why people love it: Stackable dark-spot serum

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