10% Niacinamide Face Serum

Somewhere around 2019, a specific shift happened in the Indian skincare market. For years, anyone serious about efficacy-first, affordable actives had been importing The Ordinary from overseas — paying customs fees, waiting weeks for shipments, and treating each bottle like a small victory. Then domestic brands started releasing their own formulations at the same price points, and the calculation changed. Plum's 10% Niacinamide Face Serum arrived in that window, and it's been one of the brand's quiet workhorses ever since.

The formula is built on the same thesis as every other 10% niacinamide serum on the market: give the actives room to work without a heavy carrier, keep the ingredient list short, and let the science do the job. What Plum added on top of that baseline is where the serum distinguishes itself, if only slightly. Centella asiatica extract and panthenol both appear in meaningful amounts, both chosen specifically to soften the edges of a 10% niacinamide formulation. These aren't transformative additions, but they matter for users who tried The Ordinary's version and found it slightly too stark on reactive skin.

The core actives are the well-trodden combination of niacinamide at 10% and zinc PCA at 1%. This pairing has been a mainstay of oily-skin formulations for more than a decade, and the evidence base is substantial. Niacinamide at this concentration has been shown to reduce sebum production, improve barrier function, fade post-inflammatory hyperpigmentation, and modulate inflammatory pathways. Zinc contributes antimicrobial support and sebum regulation that complements rather than duplicates the niacinamide's effects. For oily, blackhead-prone, or mildly acneic skin, this is one of the more useful combinations you can apply topically without a prescription.

The base is a simple water-plus-humectant vehicle — propanediol, glycerin, sodium hyaluronate — that keeps the skin feeling hydrated without competing with the actives. There's no silicone, no oil phase, and no emulsion thickening. The texture is watery-thin, almost like a slightly viscous toner, and it absorbs within a minute with a very slight tacky finish that disappears under moisturizer. For people who dislike the heavier feel of cream serums, the lightness here is a feature.

Centella asiatica — sometimes called cica or gotu kola — adds a note of calming support that most budget niacinamide serums skip. The evidence for centella in reducing redness and supporting wound-healing pathways is promising rather than conclusive, but its inclusion here is appropriate for a serum that might be used on skin already dealing with active breakouts or post-acne inflammation. Panthenol does similar barrier-supporting work from a different angle, and together they round out what would otherwise be a fairly stark formulation.

The tolerability story deserves a note. A minority of users — somewhere in the single digits, based on review patterns — report facial flushing on the first few applications of 10% niacinamide serums. This is typically transient, driven by the niacinamide's vasodilatory effects, and usually resolves within a week or two as skin acclimates. For most people it doesn't happen at all. But if you've had this reaction with niacinamide before, you should know that this formula, despite the centella and panthenol buffering, can still trigger it on sensitive complexions.

Honest limitations: the 15ml size is small. A 30ml bottle would make the value proposition significantly stronger, and Plum does offer a 30ml version at a modest premium. The dropper packaging is adequate but not exceptional — airless pumps are preferable for any formulation with actives, though niacinamide itself is stable enough that oxidation isn't a major concern. The brand's track record is shorter than Western legacy brands, which modestly limits the confidence in long-term formulation consistency, though user reviews across several years suggest the product has remained stable.

The comparison to The Ordinary is unavoidable. Side by side, these two serums are doing essentially the same job at similar prices. Plum's advantage is the centella and panthenol support and the local supply chain for Indian customers. The Ordinary's advantage is global availability and the massive independent review base that comes with being one of the most scrutinized formulations in consumer skincare. For a user in India, Plum is usually the more convenient choice. For a user elsewhere, The Ordinary's broader validation is hard to beat.

What this serum does well, it does reliably: gentle sebum control, gradual fading of post-acne marks, a generally healthier-looking finish after a few weeks of consistent use. It's not glamorous, it doesn't make dramatic claims, and it doesn't need to. This is the kind of product that quietly earns its place in a routine without demanding attention.

Formula

The Science

Niacinamide — also known as nicotinamide — is one of the most studied cosmetic actives in modern dermatology. Research published in journals including the International Journal of Cosmetic Science and the British Journal of Dermatology has documented its effects on sebum regulation, barrier function, post-inflammatory hyperpigmentation, and inflammatory acne. Most of this evidence comes from studies using concentrations between 2% and 5%, with some data supporting higher concentrations up to around 10%. Above 5%, marginal benefits appear to be modest for most endpoints, and higher concentrations are primarily meaningful for specific populations — notably those dealing with significant oiliness or hyperpigmentation.

The combination with zinc PCA has a somewhat smaller but still supportive evidence base. Zinc is known to regulate sebaceous activity and contributes antimicrobial effects at the skin surface, and the pairing with niacinamide has been a staple of formulations targeting oily and acne-prone skin since at least the early 2010s. The practical effect is a gradual reduction in visible shine and a supportive environment for resolving mild inflammatory acne without the irritation profile of benzoyl peroxide or topical antibiotics.

Centella asiatica has a longer history in Ayurvedic and traditional Asian medicine than in Western dermatology, but peer-reviewed research has been accumulating for the active compounds asiaticoside, madecassoside, and asiatic acid. Studies suggest these compounds support wound healing, reduce inflammation, and may stimulate collagen synthesis. In a niacinamide serum, centella functions mainly as an anti-inflammatory adjunct rather than a primary active.

The pH of the formulation — around 5.5 — is slightly above the skin's natural pH, which is ideal for niacinamide stability. Niacinamide can convert to nicotinic acid at lower pH values, which is the likely cause of the flushing some users experience, so keeping the serum in a mildly acidic-to-neutral range minimizes that conversion.

Dermatologist Perspective

Dermatologists frequently recommend niacinamide serums as foundational additions to routines targeting oiliness, enlarged pores, and post-inflammatory hyperpigmentation. Board-certified dermatologists typically note that 5% is sufficient for most patients, though 10% is considered safe and appropriate for users with significant oil production or stubborn pigmentation. The combination with zinc is viewed positively for acne-prone patients, and centella asiatica is often considered a useful adjunct for reactive or compromised skin. Dermatologists consistently advise that niacinamide pairs well with almost any other active in a routine, contradicting older claims about incompatibility with vitamin C.

Guidance

Plum positioned this serum as their answer to The Ordinary's cult niacinamide product when the Indian D2C clean beauty market was looking for local alternatives to imported Deciem products. The brand's target customer was someone who wanted efficacy-focused pricing without importing from abroad, and the niacinamide serum became one of their most successful launches.

About Plum Emerging Brand (2–5 years)

Plum Goodness, founded in 2013 in Mumbai, built its niacinamide serum as one of its flagship D2C products. The brand has strong review volume in India but relatively limited independent clinical validation in Western dermatology literature.

Brand founded: 2013 · Product launched: 2020

Myth vs. Reality

Myth

Niacinamide and vitamin C can't be used together.

Reality

This is an outdated claim based on old stability data. Modern formulations of both ingredients are perfectly compatible, and using them in the same routine (or same product) is well-supported by current research.

Myth

Higher niacinamide percentages are always better.

Reality

Research suggests niacinamide's effects plateau around 5% for most endpoints. 10% isn't harmful for most users, but a 5% serum delivers most of the same benefit with lower flushing risk.

FAQ

Common Praise

"affordable"

"reduces oiliness"

"helps with post-acne marks"

"non-greasy"

Common Complaints

"15ml size is small"

"some users experience flushing"

"dropper can be finicky"

Notable Endorsements

Nykaa bestseller in niacinamide serum category

Appears In

best budget niacinamide serum best niacinamide for oily skin best niacinamide zinc combination best vegan niacinamide serum best niacinamide for acne

Related Conditions

oiliness acne large pores hyperpigmentation

Related Ingredients

niacinamide zinc centella asiatica panthenol