Is Niacinamide Safe During Pregnancy?
Niacinamide (vitamin B3) is one of the easiest ingredients to keep in rotation when you are expecting. It is not a retinoid, it is not an exfoliating acid, and dermatology bodies consider it safe for use during pregnancy and breastfeeding. That is why MamaSkin rarely flags it unless it is surrounded by more questionable companions.
Quick summary: Low Risk based on the current formula in our database. Key ingredients include phenoxyethanol and phenoxyethanol.
Why this verdict is rated low risk
This formula includes phenoxyethanol and phenoxyethanol. In our ingredient dataset, phenoxyethanol is listed as low risk and phenoxyethanol is listed as low risk. Formulations can change, so always verify the label.
What the science and doctors say
- Niacinamide is a water-soluble vitamin that helps barrier repair, reduces transepidermal water loss, and calms redness.
- No human studies have shown teratogenic risk when used topically at standard 2-10% levels.
- The NHS and the American College of Obstetricians and Gynecologists both list vitamin B3 as compatible with pregnancy, although you should still patch test if you have a history of sensitivity.
How to work it into a pregnancy-safe routine
- Use it after cleansing on damp skin so it penetrates evenly without tingling.
- Layer your moisturiser immediately afterwards to lock hydration in.
- Pair with azelaic acid or gentle AHAs, never with prescription vitamin A. Niacinamide actually reduces the irritation some exfoliants can cause.
- Stay consistent. Pigmentation, pores, and texture benefits show up after 4-6 weeks of daily use.
Product formulas we actually finished
- The Ordinary Niacinamide 10% + Zinc 1% – lightweight, fragrance-free, and easy to spot treat.
- The INKEY List Niacinamide Serum – 10% niacinamide paired with 1% hyaluronic acid to prevent dryness.
- Glow Recipe Watermelon Glow Niacinamide Dew Drops – doubles as a highlight under SPF, ideal if you miss your glow but do not want shimmer.
Remember to scan every serum with MamaSkin before you apply it. Some brands sneak niacinamide into blends that also contain retinoids or high-dose BHAs, and the app catches those combinations instantly.
When to pause or switch
- If you experience flushing or your skin barrier feels tight, reduce use to every other night and add a richer moisturiser.
- Stop and speak to your midwife if you develop contact dermatitis or if niacinamide is packaged with prescription-strength actives.
- Save your favourites in MamaSkin so you can compare what worked each trimester.
Make MamaSkin part of the habit
Scan or search each product in the app and save your trusted picks. Mia, our AI helper, translates the ingredient list in plain English so you know exactly why a serum was cleared or cautioned.
Download MamaSkin (iOS & Android): App Store | Google Play
Important notes
- Formulations can change by region and batch. Check the label each time you repurchase.
- This guide is informational only and not medical advice.
Related reading
- Is Retinol Safe During Pregnancy? What Dermatologists Actually Say
- Is Salicylic Acid Safe During Pregnancy?
Download MamaSkin (iOS and Android): App Store | Google Play



