Mung Bean Pore Tight-Up Serum — Reddit Reviews
by beplain
Updated September 26, 2026
Niacinamide serum for making pores look tighter; refreshing, light, and makeup-friendly.
What the community says
A light serum with niacinamide, glycerin, xylitol, and hyaluronic acid that people reach for when pores and oiliness are the main annoyance. Redditors say it layers well under makeup and feels refreshing, but some think it does basically nothing.
What this means for you
What people love
Watch out for
Product details
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
- Some studies found 4% niacinamide cleared acne about as well as clindamycin
- One study found 4% niacinamide improved red, sore spots, but IPL worked better
- Some research found no clear difference, and a large review said the effects were uncertain
Hyperpigmentation
Some evidence
Niacinamide: 5 studies tested it on its own. See all 24 studies
What the studies found
- All of these studies found niacinamide helped fade dark spots or patches
- In clinical trials, 5% niacinamide faded dark spots more than a placebo
- It also helped when used with salicylic acid peels, more than peels alone
- Used on its own, it helped, but one study found a niacinamide mix worked better
- One study found the fading effect reversed after stopping niacinamide
Research context, not treatment advice. Studies are about the ingredient, not necessarily this exact product.
Real Reddit threads — 3 mentions across 2 threads
beplain Mung Bean Pore Tight-Up Serum on Reddit, in one place — 2 threads from r/AsianBeauty and r/koreanskincare, summarized.
“beplain Mung Bean Pore Tight-Up Serum”
Positive
“It has a light texture and is supposed to have a cooling effect, but I personally didn’t notice much of that.”
Positive
“Still, it’s refreshing enough for summer.”
Positive
“But I think the star product of Beplain would be the Mung Bean Pore Tight serum because it actually closes the look of my pores”
Positive
“I have been using it for a while and I love it!”
Positive
“the star product of Beplain would be the Mung Bean Pore Tight serum”
Positive
