
Pore Tightening Ampoule — Reddit Reviews
by Rejuran
Updated October 28, 2026
Niacinamide pore ampoule with exfoliating potential; PDRN results underwhelming.
What the community says
A niacinamide ampoule aimed at pore-focused routines, with Redditors noting it may add exfoliation to an existing regimen. Reddit's only substantive reaction found PDRN products underwhelming, and another user warns against layering acid-heavy products together.
What this means for you
Product details
Concerns
Key Ingredients
Based on limited Reddit discussion so far
What the science says
Acne
Some evidence
Niacinamide: 6 studies tested it directly. See all 17 studies
Hyperpigmentation
Some evidence
Niacinamide: 4 studies tested it directly. See all 17 studies
What the studies found
- All 4 studies that tested it directly found it helped fade dark spots or patches
- It reduced facial dark spots better than a moisturizer without niacinamide
- Women with chloasma saw darker patches improve more when nicotinamide was added to salicylic acid
- Studies also found facial skin looked lighter as dark spots faded
Anti-Aging
Some evidence
Niacinamide: 2 studies tested it directly. See all 8 studies
Skin Barrier
Not proven yet
Few or mixed studies. This claim isn't established.
Niacinamide: 1 study tested it directly. See all 17 studies
Research context, not treatment advice. Studies are about the ingredient, not necessarily this exact product.
Real Reddit threads — 5 mentions across 2 threads
Rejuran Pore Tightening Ampoule on Reddit, in one place — 2 threads from r/AsianBeauty, summarized.
“Rejuran pore tightening ampoule - was given this as a sample, haven;t been wowed by any PDRN products yet”
Mentioned
“this also has LHA/AHA/BHA/PHAs so might at least be a nice exfoliator”
Mentioned
“don't layer it the same night as that Rejuran ampoule with the acid blend”
Mentioned
“Rejuran Pore Tightening Ampoule”
Mentioned
“this was my haul!”
Mentioned
“If you have tried anything here, loved it or hated it, please share!”
Mentioned





