Niacinamide 10% Face Serum

Based on the public ingredient list, nothing in this formula maps to a prohibited or restricted substance under EU cosmetics law, India's cosmetic regulations, Health Canada's restricted substances list, the Korean MFDS database, or the EU's list of substances of very high concern. No synthetic fragrance, no parabens, no SLES, no formaldehyde releasers, no recognised carcinogens, no EU fragrance allergens. This formula contains a delivery ingredient (Dimethyl Isosorbide) that helps actives penetrate more deeply. This is a deliberate formulation choice, not a safety concern, but it does mean everything in the formula is absorbed more efficiently. Keep this in mind if you're using multiple active serums together. At 10%, niacinamide can cause a brief, harmless flushing sensation in a small number of people on first use. This is a niacin response, not an allergic reaction, and typically fades within minutes.

Niacinamide is listed second in the ingredient list, right after water, which tells us it is the main active in the formula and is consistent with the brand's stated 10%. Both zinc ingredients (Zinc PCA and Zinc Glycinate) appear high enough up in the list to suggest they are at working concentrations, though the exact amounts aren't published. Acetyl Glucosamine also sits well up in the list, suggesting it plays a real brightening role rather than being a token addition. The formula uses two preservatives in combination, which is a sensible and common approach for a water-based serum. One important gap: the formula's pH is not publicly disclosed. pH matters because niacinamide performs best within a specific range, and the delivery ingredient also behaves differently at different pH levels. Without that information, we can't fully confirm active performance from public data alone.

The 10% niacinamide concentration is brand-stated and backed by its position in the ingredient list as the main active. This is one of the more transparent claims in Indian skincare. Both zinc ingredients appear in the formula, but the brand hasn't published how much of each is included, so we can't independently confirm whether they're at levels that do what they're supposed to. The sebum control and pore-minimising claim is well-supported by published research on niacinamide at this concentration, though no clinical trial specific to this finished product has been shared. Fragrance-free is confirmed by the ingredient list. Importantly, this product doesn't make inflated claims like 'clinically proven', 'dermatologist tested', or 'hypoallergenic', which avoids some of the most common misleading marketing in this category.

The brand publicly states the 10% niacinamide concentration, which is more transparency than most skincare brands offer and genuinely meaningful. However, no independent lab test reports, clinical studies, or safety assessment documents are published anywhere for this formula. There is no evidence that the preservative system has been independently tested (a standard industry test checks whether a formula can resist microbial contamination over time). No dermatologist test report is linked from the product page. The brand's transparency goes as far as ingredient identity and key percentages, but stops short of showing the actual test results and evidence behind the finished product.

Usage instructions and daily application guidance are clearly communicated on the brand's product page. The brand mentions the possibility of niacin flush on first use, which is a useful and honest caveat for new users. Suitability guidance (oily, combination, acne-prone skin types) is clearly stated. One gap: there is no specific guidance on how to layer this with other active serums, particularly for users combining it with acids, retinol, or vitamin C, all of which Minimalist actively sells as part of the same range.