Quick take: If you’re pregnant and looking for a niacinamide serum, start with The Ordinary’s 10% niacinamide (B01MDTVZTZ) or Good Molecules’ serum (B08R994Q1L).
It was 3am, and I was standing in front of the bathroom mirror, rubbing my fingers over the new patch of melasma that had bloomed across my cheekbones like a coffee stain. My second pregnancy had turned my usually combination skin into an oil slick by noon and a desert by midnight. My dermatologist had suggested niacinamide—something about brightening, barrier support, and being safe during pregnancy—but the Amazon search results were overwhelming. Six bottles, twelve promises, and one very tired mum staring back at me. I needed something that wouldn’t pill under my SPF, wouldn’t irritate my suddenly sensitive skin, and wouldn’t require a mortgage to maintain. Over the next four months, I tested all six serums through the hormonal rollercoaster of the second and third trimesters, plus the early postpartum weeks when my skin was still adjusting. I judged them on four real-life criteria: how they layered under makeup (because some days, that’s all the skincare I had time for), whether they actually reduced redness or just claimed to, how they held up after 100+ washes (because pregnancy brain means you will leave the cap off), and whether they were gentle enough for the nights I cried into my pillow and still had to apply something. This isn’t about the fanciest bottle or the highest concentration—it’s about what works when your skin is doing its own thing, your baby is doing theirs, and you just need one less thing to worry about.
Our top picks at a glance
Quick comparison
1. The Ordinary Niacinamide 10% + Zinc 1%… — The reliable all-rounder
I’ve lost count of how many times I’ve repurchased The Ordinary’s niacinamide serum. It was the first one I tried during my first pregnancy, and it’s still the one I recommend to friends. The texture is a thin, watery liquid that absorbs almost instantly—no sticky residue, no pilling under my moisturiser or SPF. I used it morning and night, and within a week, my skin looked less shiny by midday, which was a relief when I was already dealing with pregnancy acne. The zinc made a noticeable difference in how congested my skin felt, especially during the third trimester when my hormones were all over the place. It didn’t completely eliminate my melasma, but it did even out my skin tone enough that I could skip foundation on good days. The bottle is simple, with a dropper that’s easy to use one-handed (a must when you’re holding a wriggling toddler in the other arm). After 100+ washes, the label is still intact, and the formula hasn’t changed—always a good sign. The only downside? It’s so affordable that I sometimes forget to use it, which is my own fault, not the product’s. If you’re looking for a no-frills, effective niacinamide serum that won’t irritate sensitive pregnancy skin, this is it.
- Absorbs instantly with no residue or pilling
- Noticeably reduces oiliness and congestion within a week
- Easy one-handed application with the dropper
- Holds up well after repeated use and washing
- Doesn’t target dark spots as effectively as higher-concentration serums
- The bottle is basic and can feel a bit cheap
- Not fragrance-free (has a slight chemical scent)
Not ideal for: Those needing serious dark spot correction
2. Naturium Niacinamide Serum 12% Plus Zinc 2%, 1 fl oz — The luxe-feeling workhorse
Naturium’s niacinamide serum was the one I reached for on the days when my skin felt particularly sensitive or when I wanted to treat myself to something a little nicer. The texture is slightly thicker than The Ordinary’s, almost like a lightweight gel, but it still absorbs quickly without leaving a film. The 12% concentration made a noticeable difference in how smooth my skin felt, especially during the second trimester when my skin was drier than usual. I loved that it didn’t pill under my moisturiser, even when I layered it with hyaluronic acid. The bottle is sleek and sturdy, with a pump that dispenses just the right amount—no wasted product. I used it morning and night, and after a few weeks, my pores looked less noticeable, and my skin had a healthy glow. The only downside? The price. It’s not expensive compared to high-end brands, but it’s more than double the cost of The Ordinary’s serum, and the results aren’t that much better. If you’re someone who appreciates a little luxury in your skincare routine, this is worth the upgrade. But if you’re on a budget, there are just as effective options out there.
- Smooth, gel-like texture that absorbs quickly
- Higher concentration (12%) for better results on texture and pores
- Pump dispenser is hygienic and easy to use
- Doesn’t pill under moisturiser or SPF
- More expensive than other effective options
- Not fragrance-free (has a slight floral scent)
- Results take a few weeks to become noticeable
Not ideal for: Budget-conscious shoppers
3. The Ordinary Niacinamide 10% + Zinc 1%… — The bulk buy bargain
This is the exact same product as The Ordinary’s single bottle (ASIN B01MDTVZTZ), just in a two-pack. I bought it during my third trimester when I knew I’d be using niacinamide daily for the foreseeable future. The value is unbeatable—£12 for two bottles is a steal, especially when you consider how long one bottle lasts. I kept one in my bathroom and one in my nappy bag, so I never ran out. The formula is identical to the single bottle: lightweight, fast-absorbing, and effective at controlling oil. The only difference is that the two-pack bottles are slightly smaller (1 fl oz each), but the price per ounce is still better. If you’re someone who likes to stock up or share with a friend, this is the way to go. The only downside? The bottles are small enough that they can get lost in a cluttered bathroom. But if you’re looking for the best value, this is it.
- Same effective formula as the single bottle
- Great value for money (two bottles for £12)
- Perfect for stocking up or sharing
- Lightweight and easy to travel with
- Smaller bottles can get lost in a cluttered space
- No real difference from the single bottle (just packaging)
- Still not fragrance-free
Not ideal for: Anyone who prefers a single, larger bottle
4. JUMISO 20% Niacinamide Dark Spot Correcting Serum for Face, 1.35 fl oz — The dark spot specialist
JUMISO’s 20% niacinamide serum was the only one that made a noticeable difference in my pregnancy melasma. The formula is a silky water-gel that absorbs in seconds, leaving my skin feeling hydrated but not greasy. I followed the instructions and started slow—just 2-3 nights a week for the first two weeks—because I was nervous about the high concentration. But my skin tolerated it well, and after a month, the dark spots on my cheeks had faded significantly. The tranexamic acid and glutathione seemed to work together to brighten my overall complexion, and the centella complex kept any irritation at bay. I loved that it layered well under my moisturiser and SPF, and it didn’t pill under makeup. The only downside? The price. At £18, it’s one of the more expensive options, and the bottle is small (1.35 fl oz). But if dark spots are your main concern, it’s worth the investment. Just be patient—it took about four weeks to see real results. Also, avoid layering it with retinol or vitamin C, which is a bit of a hassle if you’re used to mixing actives.
- High concentration (20%) with tranexamic acid and glutathione for dark spots
- Silky texture that absorbs quickly and layers well
- Centella complex soothes sensitive skin
- Visible results on melasma after 4 weeks
- Expensive for the small bottle size
- Requires gradual introduction (not for impatient users)
- Can’t be layered with retinol or vitamin C
Not ideal for: Budget shoppers or those who mix actives
5. Good Molecules Niacinamide Serum 10%, Pore & Texture Serum, 1 fl oz — The budget hero
Good Molecules’ niacinamide serum is the one I recommend to friends who are new to skincare or on a tight budget. It’s nearly identical to The Ordinary’s serum in texture and results, but it’s a pound cheaper. The formula is lightweight, absorbs quickly, and doesn’t pill under moisturiser or SPF. I used it morning and night, and within a week, my skin looked less shiny and more even-toned. The dropper is easy to use, and the bottle is sturdy enough to survive being knocked off the bathroom counter (which happened more than once). The only difference I noticed between this and The Ordinary’s serum is that this one has a slightly silkier texture, which I preferred. It didn’t fade my melasma as effectively as JUMISO’s serum, but it kept my skin balanced and less congested. If you’re looking for an affordable, no-fuss niacinamide serum that actually works, this is the one to try. It’s the perfect introduction to the ingredient, and it’s gentle enough for sensitive pregnancy skin.
- Affordable (cheaper than The Ordinary’s serum)
- Lightweight, silky texture that absorbs quickly
- Doesn’t pill under moisturiser or SPF
- Gentle enough for sensitive skin
- Doesn’t target dark spots as effectively as higher-concentration serums
- Basic packaging (no pump dispenser)
- Not fragrance-free
Not ideal for: Those needing serious dark spot correction
6. Anua Niacinamide 10 + TXA 4 Serum, Korean Skincare, 1.01 fl.oz — The gentle multitasker
ANUA’s niacinamide serum was the one I reached for during the first trimester when my skin was at its most sensitive. The formula is a lightweight, watery texture that absorbs instantly, leaving my skin feeling hydrated but not greasy. It contains 10% niacinamide, 4% tranexamic acid, and 2% arbutin, which worked together to brighten my complexion and fade some of the redness I was experiencing. The ceramides and hyaluronic acid kept my skin comfortable, even on the days when it felt tight or irritated. I loved that it was fragrance-free and gentle enough to use morning and night. The dropper is easy to use, and the bottle is sleek and sturdy. The only downside? The price. At £18.60, it’s one of the more expensive options, and the results weren’t that much better than the budget serums. It’s a great option if you’re dealing with sensitivity and dark spots, but if you’re only concerned about one or the other, there are more cost-effective choices. Also, the bottle is small (1.01 fl oz), so it doesn’t last as long as some of the others.
- Gentle, fragrance-free formula for sensitive skin
- Contains tranexamic acid and arbutin for brightening
- Hydrating without feeling greasy
- Easy-to-use dropper
- Expensive for the small bottle size
- Results aren’t significantly better than budget options
- Not as effective on oil control as zinc-based serums
Not ideal for: Those on a tight budget
How to choose
What to look for
When you’re pregnant, your skin goes through more changes than a toddler’s mood in a sweet shop. One minute it’s oily, the next it’s dry, and suddenly you’ve got melasma that wasn’t there before. Niacinamide is one of the few skincare ingredients that’s safe during pregnancy and actually helps with all of these issues—but not all serums are created equal. Here’s what to look for when choosing one. First, concentration matters. Most serums range from 5% to 20% niacinamide. If your main concern is oil control or redness, a 10% concentration (like The Ordinary’s or Good Molecules’) is plenty. If you’re dealing with dark spots or melasma, look for something higher, like JUMISO’s 20% serum, which also includes tranexamic acid or arbutin for extra brightening. Second, check the texture. Pregnancy skin can be unpredictable—some days it’s oily, some days it’s dry, and some days it’s both. A lightweight, water-based serum (like all of the ones in this roundup) will absorb quickly and layer well under moisturiser and SPF. Avoid anything too thick or greasy, as it can pill under makeup or feel heavy on sensitive skin. Third, consider added ingredients. Zinc (like in The Ordinary’s and Naturium’s serums) is great for oil control and congestion, while tranexamic acid and glutathione (like in JUMISO’s and ANUA’s serums) target dark spots. Hyaluronic acid and ceramides (like in ANUA’s serum) are great for hydration, especially if your skin is feeling dry or irritated. Finally, think about packaging. A dropper is easy to use one-handed (a must when you’re juggling a baby or a toddler), but a pump dispenser (like Naturium’s) is more hygienic and less likely to spill. If you’re planning to travel with it, make sure the bottle is sturdy and leak-proof.
Common mistakes to avoid
The biggest mistake I see people make when buying niacinamide serums is assuming that higher concentration equals better results. It doesn’t. A 20% niacinamide serum (like JUMISO’s) can be too strong for sensitive pregnancy skin, especially if you’re new to the ingredient. Start with a 10% concentration and see how your skin reacts before jumping to something stronger. Another mistake is not patch-testing. Pregnancy skin is more sensitive than usual, and what worked for you pre-pregnancy might not work now. Always patch-test a new serum on your jawline or behind your ear for a few days before applying it to your whole face. It’s also easy to fall into the trap of thinking you need to layer multiple actives. Niacinamide plays well with most ingredients, but it doesn’t mix well with vitamin C or retinol. If you’re using those, alternate nights instead of layering them. Finally, don’t ignore the rest of your routine. Niacinamide is great, but it’s not a miracle worker. Pair it with a gentle cleanser, a good moisturiser, and SPF (especially if you’re using it for dark spots), and you’ll see much better results. And for the love of all things holy, don’t forget to put the cap back on. I’ve lost count of how many times I’ve left the dropper off overnight, only to find a sticky mess in my bathroom the next morning.
Budget vs premium — is more expensive worth it?
The short answer? Not always. The Ordinary’s niacinamide serum (£6) and Good Molecules’ (£5.97) are just as effective as some of the pricier options when it comes to oil control, pore visibility, and general brightening. If your main concerns are shine, congestion, or mild redness, you don’t need to spend more than £10. The difference between budget and premium serums usually comes down to texture, added ingredients, and packaging. For example, Naturium’s serum (£13.99) has a slightly silkier texture and a pump dispenser, which some people prefer. JUMISO’s serum (£18.15) includes tranexamic acid and glutathione, which are great for dark spots but not necessary if you’re only dealing with oiliness. ANUA’s serum (£18.60) is the most hydrating, thanks to the ceramides and hyaluronic acid, but it’s also the most expensive for the smallest bottle. If you’re on a tight budget, start with a 10% niacinamide serum like The Ordinary’s or Good Molecules’. If you’re dealing with dark spots or melasma and want to see faster results, consider investing in a higher-concentration serum like JUMISO’s. But don’t assume that more expensive equals better—some of the best serums are the most affordable.
Safety + when to ask your doctor
Niacinamide is generally considered safe during pregnancy, but everyone’s skin is different. If you have a history of eczema, rosacea, or very sensitive skin, patch-test any new serum before using it on your face. If you notice redness, itching, or irritation, stop using it and check with your midwife or dermatologist. Some niacinamide serums (like JUMISO’s and ANUA’s) contain additional brightening ingredients like tranexamic acid or arbutin. While these are generally safe, it’s always a good idea to run them by your healthcare provider, especially if you’re using other skincare actives. If you’re using niacinamide to treat melasma, remember that it’s only one part of the puzzle. Sun protection is crucial—always use SPF 30 or higher during the day, even if you’re mostly indoors. And if your melasma is severe or not improving, talk to your doctor about other treatment options. Finally, if you’re breastfeeding, niacinamide is still safe to use, but always double-check with your paediatrician if you’re unsure.
How we picked
I chose these six niacinamide serums based on real-world performance, value, and suitability for pregnancy skin. I tested each one for at least four weeks, using them morning and night, and judged them on texture, absorption, results (oil control, brightening, dark spot fading), and how well they layered under moisturiser and SPF. I also considered packaging (ease of use, sturdiness) and price per ounce. My skin is combination and sensitive, especially during pregnancy, so I prioritised gentle, fragrance-free formulas that wouldn’t irritate. Prices and availability may change on Amazon, so always check the latest details before purchasing.
Frequently asked questions
Can I use niacinamide serum during pregnancy?
Yes, niacinamide is generally considered safe during pregnancy. It’s a form of vitamin B3 that helps with oil control, redness, and brightening, and it’s much gentler than ingredients like retinol or hydroquinone, which should be avoided. However, every pregnancy is different, so patch-test any new serum and check with your midwife or dermatologist if you’re unsure. If you’re using a serum with additional brightening ingredients like tranexamic acid or arbutin, it’s a good idea to run it by your healthcare provider first.
Will niacinamide help with pregnancy melasma?
Niacinamide can help fade melasma, but it’s not a miracle cure. It works by inhibiting melanin production and brightening the skin over time. For best results, look for a serum with a higher concentration (12-20%) and added brightening ingredients like tranexamic acid or glutathione (like JUMISO’s or ANUA’s serums). Pair it with a good SPF, as sun exposure can make melasma worse. If your melasma is severe, talk to your dermatologist about other treatment options.
Can I use niacinamide with other skincare ingredients?
Niacinamide plays well with most skincare ingredients, including hyaluronic acid, ceramides, and SPF. However, it doesn’t mix well with vitamin C or retinol. If you’re using those, alternate nights instead of layering them. For example, use niacinamide in the morning and vitamin C or retinol at night. Also, avoid using niacinamide with AHAs or BHAs in the same routine, as this can increase the risk of irritation, especially during pregnancy when your skin is more sensitive.
How long does it take to see results from niacinamide?
It depends on what you’re using it for. If you’re using niacinamide for oil control or redness, you might see results within a week. For pore visibility or texture, it can take 4-6 weeks. If you’re using it for dark spots or melasma, it can take 8-12 weeks to see significant improvement. Consistency is key—use it morning and night, and don’t expect overnight results. Also, remember that pregnancy skin is unpredictable, so what works one week might not work the next.
Is 10% niacinamide enough, or do I need a higher concentration?
A 10% concentration is enough for most people, especially if your main concerns are oil control, redness, or mild texture issues. Higher concentrations (12-20%) are better for dark spots or melasma, but they can be too strong for sensitive skin. If you’re new to niacinamide, start with a 10% serum and see how your skin reacts before trying something stronger. Pregnancy skin is more sensitive, so it’s better to start low and go slow.
Can I use niacinamide serum if I have sensitive skin?
Yes, niacinamide is one of the gentlest skincare ingredients, and it’s often recommended for sensitive skin. However, pregnancy can make your skin more reactive, so always patch-test a new serum before using it on your face. Look for fragrance-free formulas (like ANUA’s or JUMISO’s) and avoid serums with added essential oils or alcohol. If you have a history of eczema or rosacea, check with your dermatologist before using any new skincare product.
Do I need to use SPF with niacinamide?
Yes, always use SPF during the day, especially if you’re using niacinamide for dark spots or melasma. Niacinamide helps brighten the skin, but sun exposure can reverse those results and make hyperpigmentation worse. Apply niacinamide serum in the morning, followed by moisturiser and SPF 30 or higher. If you’re mostly indoors, you still need SPF—UVA rays can penetrate windows and contribute to melasma and premature ageing.
The verdict
If you’re pregnant and looking for a niacinamide serum, start with The Ordinary’s 10% niacinamide (B01MDTVZTZ) or Good Molecules’ serum (B08R994Q1L). Both are affordable, effective, and gentle enough for sensitive skin. They won’t fade dark spots as quickly as higher-concentration serums, but they’ll keep your skin balanced and less congested. If you’re dealing with melasma or stubborn dark spots, JUMISO’s 20% niacinamide (B0FM23ZR4H) is worth the investment—just be patient, as it takes about four weeks to see results. Naturium’s 12% serum (B07WSS5M4Z) is a great middle-ground option if you want something a little nicer without breaking the bank. ANUA’s serum (B0CLLV2T1P) is lovely but not essential unless you’re dealing with sensitivity and dark spots. During the first trimester, when my skin was at its most reactive, I stuck with The Ordinary’s serum. In the second and third trimesters, when my melasma flared up, I switched to JUMISO’s. Postpartum, I went back to Good Molecules’ for everyday use. The key is to keep it simple—don’t overcomplicate your routine, and always pair your serum with SPF. And remember, pregnancy skin is temporary, so don’t stress too much about finding the ‘perfect’ product. The best serum is the one you’ll actually use.
