Porebright Niacinamide 20% Refining Serum by Facetheory – What You Really Need to Know (My Review)

Is Facetheory's Pore Treatment worth getting? I gave it a solid test run to find out.
Updated on: September 14, 2025
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This is not a paid or sponsored review. All opinions are the author's own. Individual experience can vary. If you click on links we provide, we may receive compensation.

Introduction

Facetheory has quietly moved from indie upstart to a skincare staple, winning over ingredient devotees and minimalists alike with formulas that often punch above their price tag. The British brand champions evidence based actives and cruelty free philosophy, and its growing fan base swears by that no-nonsense, results first approach.

Enter the rather grandly titled Porebright Niacinamide 20% Refining Serum. The name may read like a lab report but the promise is refreshingly simple: smaller looking pores and a brighter, more even complexion. Facetheory highlights a hefty 20% dose of multitasking niacinamide paired with calming azelaic acid, all wrapped up in a lightweight, non-sticky texture that is suitable for almost every skin type. They position it as the go-to for anyone fixated on their visible pores and uneven tone.

Curiosity piqued, I spent a full two weeks slotting this serum into both my morning and evening routines, determined to see whether the lofty claims translate to real life and whether it deserves a spot in your own lineup or just your wishlist.

What is Porebright Niacinamide 20% Refining Serum?

Porebright Niacinamide 20% Refining Serum is a water based pore treatment meant to slot in after toning and before moisturiser. Pore treatments target the look of enlarged pores by helping to control excess oil and gently refining skin texture so the surface appears smoother and more even.

The star is a high 20% concentration of niacinamide, a form of vitamin B3 known for moderating sebum, strengthening the skin barrier and brightening dull areas. Azelaic acid joins the formula to add a calming element and to further support tone evening. Because both actives are considered low irritation the serum is positioned for twice daily use on most skin types, including those prone to sensitivity.

The product is unfragranced and described as lightweight and non sticky so it layers easily with sunscreen or night creams. Application instructions are simple: distribute a few drops over clean skin, keep clear of the eye area then seal in with your preferred moisturiser.

Did it work?

In the name of rigorous skincare science I benched my usual pore treatment for three full days before starting Porebright, feeling very proud of my wildly professional methodology. Fourteen days felt like a generous window to see what a 20 percent niacinamide cocktail could really do.

I slotted three drops into my routine twice daily right after a hydrating toner. The first morning brought a brief warm flush that disappeared within minutes and never returned. By day three I noticed mid-day shine was dialed down, particularly across my forehead where I usually look like a freshly glazed doughnut by lunchtime.

Week one closed with a pleasant surprise: the stubborn congestion around my nose looked a touch smoother and, when I leaned into the mirror, pores did seem slightly less pronounced. They were still there of course, just not shouting for attention. My skin tone also started to look a bit more uniform, enough that I felt comfortable skipping tinted moisturizer on casual days.

During the second week the gains plateaued. Texture kept its early improvement and the brightening effect stayed steady but nothing further shifted. I did pick up a faint tightness around my nostrils on day ten, probably from the cumulative hit of such a high niacinamide dose, so I added an extra layer of moisturizer at night which solved it. No breakouts, no peeling, no drama.

So did it make good on its promises? Largely yes. Pores appeared softer in focus and my complexion looked fresher which is more than many pore treatments deliver in twice the time. Would I personally swap it into my permanent lineup? Probably not, only because my current staple gives comparable results with less concentration. Still, if you are chasing clearer pores and prefer an unfragranced formula this serum is an easy one to cheer for.

Main ingredients explained

First up is niacinamide at a head turning 20 percent. That is a therapeutic strength dose of vitamin B3, famous for regulating sebum production, nudging pigment cells to behave and strengthening the skin barrier so it leaks less moisture. At this level you get speedier results but also a higher chance of temporary tingling which is exactly what I felt on the first morning. Pair it with a decent moisturiser and that sensation usually passes.

Azelaic acid rides shotgun in a smaller, undisclosed amount. Even in low concentrations this multitasker calms redness, smooths bumpy texture and chips away at leftover post blemish marks. Dermatologists often prescribe stronger azelaic creams during pregnancy so this inclusion feels reassuringly gentle yet still purposeful.

The supporting cast is short and sweet. Propanediol acts like a solvent and slip agent, helping heavy hitting niacinamide dissolve evenly and spread without drag. Glycerin and sodium hyaluronate pull water into the outer skin layers, offsetting any dryness that can arise when oil production drops. Aloe vera juice adds a cloud of soothing minerals and polysaccharides which explains why I never saw flakiness, only a whisper of tightness that my night cream fixed.

Sodium anisate and sodium levulinate are naturally derived preservatives that keep the formula stable while remaining friendly to sensitive skin. The base is simply water so there is no exotic surfactant or oil lurking in the wings.

Good news for ingredient sleuths: none of the components have a reputation for being comedogenic, meaning they are unlikely to clog pores or trigger new breakouts. The serum is fully vegan and vegetarian friendly with zero animal derivatives or by products. As for pregnancy safety, niacinamide and low level azelaic acid are generally considered low risk but I still recommend anyone who is expecting or nursing run all new topicals past their doctor first. Better safe than searching forums at 2 a.m.

Overall the roster is lean, purposeful and free of added fragrance which lowers irritation potential even further. If you are hunting for a high impact active without unnecessary fillers or perfume this ingredient list reads like a green flag.

What I liked/didn’t like

After two weeks of twice daily use, here is the straightforward tally.

What works well:

  • Noticeable reduction in midday shine within three days which makes makeup or bare skin wear longer
  • High 20 percent niacinamide delivers quicker pore softening and tone evening than typical 5 to 10 percent serums
  • Lightweight water base layers smoothly with sunscreen and moisturisers without pilling

What to consider:

  • Initial mild warmth or tightness can crop up, especially on drier areas, so an extra moisturiser layer may be needed
  • The high strength formula gives good returns but plateaus after the first week so some users may question the added potency
  • Price sits a touch above comparable niacinamide serums which could matter if you are watching your skincare budget

My final thoughts

Two weeks with Porebright left me convinced that a high dose of niacinamide can make noticeable inroads on shine and uneven tone without courting drama. It is not a miracle pore eraser (spoiler: nothing is) but it does move the needle quickly enough to justify the slightly steeper price and earns a solid 8/10 from me. If you lean combination to oily, appreciate an unfragranced formula and want results faster than the standard 5 percent crowd delivers, this is an easy product to recommend. Those with extremely dry or reactive skin might prefer gentler percentages or a once daily schedule, and skincare veterans already happy with a lower strength serum may not see enough extra payoff to jump ship.

After road testing more pore treatments than I care to admit, I would still point friends who ask for a reliable allrounder toward Deascal’s Poreless Perfection Serum. It ticks every skin type box, reins in oil impressively and keeps your wallet relatively calm. For anyone who likes their actives paired with a touch of hydration, Biossance’s Squalane + BHA Pore Minimizing Toner is a lovely two-in-one that smooths without the slightest tightness. StriVectin’s Super Shrink Pore Minimizing Serum brings a peptide twist for those chasing firmness alongside refined texture, while Caudalie’s Vinopure Natural Salicylic Acid Pore Minimising Serum is my pick when breakouts lurk and you need gentle exfoliation in the same step. I have used each of these and can vouch that they stand shoulder to shoulder with Facetheory’s effort, just with slightly different personalities and price points.

Before you rush off to add anything new to your cart, remember that even the friendliest formulas deserve a patch test behind the ear or along the jawline first (sorry for sounding like the over-protective parent of your skincare shelf). Consistent use is key because the moment you retire your chosen serum, pores will go back to their regularly scheduled program. Treat a pore product as a long-term teammate rather than a quick cameo and you will be much happier with the scoreboard.

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