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Level Serum

Serum

Level Serum — Reddit Reviews

by Regimen Lab

91nextscore7 verdicts

Updated October 8, 2026

Niacinamide-and-transexamic serum for dark spots; light, stackable, and under-makeup friendly.

What the community says

Backed by 53 studies

A light, slightly gel-like serum people stack with tret and sunscreen for dark spots, redness, and a bit of pore refinement. Redditors like the texture and layering, but pigmentation results are mixed and one user felt spots worsened.

From Reddit

Backed by 9 threads from r/koreanskincare, r/40plusskincare and 4 more.

Read the threads ↓

What people love

  • Stackable dark-spot serum
  • Light, liquidy gel texture
  • Fragrance-free and under-makeup friendly

Watch out for

  • Pigmentation results are mixed
  • Texture refinement is subtle, not dramatic
  • Can disappoint if you want fast spot fading

Product details

Key Ingredients

Skin type data limited

Where to buy

What the science says

  • Acne

    Some evidence

    Niacinamide: 6 studies tested it on its own. See all 17 studies

    What the studies found
    • Most studies found niacinamide helped acne
    • It often cleared acne about as well as clindamycin when put on the skin
    • Some studies found it helped reduce red, sore spots and pimples
    • Some evidence is still uncertain because some studies found no clear difference
  • Hyperpigmentation

    Some evidence

    Niacinamide: 5 studies tested it on its own. See all 20 studies

    What the studies found
    • All 5 studies that tested it on its own found it helped fade dark spots
    • On its own, it reduced facial darkening and made skin look lighter than a placebo
    • It also improved dark spots linked with sun damage in one clinical trial
  • Skin Barrier

    Not proven yet

    Few or mixed studies. This claim isn't established.

    Niacinamide: 1 study tested it on its own. See all 17 studies

    What the studies found
    • The one study that tested it on its own found it helped the skin barrier
    • It lowered water loss through the skin
    • It increased the thickness of the outer skin layer

Research context, not treatment advice. Studies are about the ingredient, not necessarily this exact product.

Real Reddit threads — 10 mentions across 9 threads

Regimen Lab Level Serum on Reddit, in one place — 9 threads from r/koreanskincare, r/40plusskincare and 4 more, summarized.

“* Regimen Lab LEVEL Serum”

Positive

“Excuse me just listing the relevant products/techniques from my routine...”

Positive

“RELEVANT PRODUCTS FROM NIGHT...”

Positive
51

“SPF 50, religiously, daily. Regimen lab Level serum is a great one to stack with tret.”

Positive

“I was really hoping Regimen Lab would have had a Labour Day Sale.”

Positive

“I am planning to grab Vitamin X and Level Serum for Black Friday.”

Positive
27

“Regimen labs level serum”

Positive

“Current routine -”

Positive

“PLEASE help this pale gal out! TIA!”

Positive

“regimen lab also has a product called level serum which is meant to reduce redness and irritation”

Positive

“I've had that in my daily routine for years now.”

Positive

“Their skin care is really incredible and science backed.”

Positive

“the Regimen Lab LEVEL serum is *stacked* with multiple proven hyper pigmentation actives”

Positive

“Not OP, but the Regimen Lab LEVEL serum is *stacked*”

Positive

“What do you use from regimen lab?”

Positive

“Other options are Topicals Faded, Eadem advanced dark spot serum, Regimen Labs level serum, skinbetter even tone intensive.”

Mentioned

“Regimen Labs level serum”

Mentioned

Dupes & Alternatives

Compare all 9 alternatives

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