Can you use niacinamide with vitamin C or retinol?
Short answer: niacinamide with retinol is widely accepted; even Paula’s Choice says they pair well. Niacinamide with vitamin C is where brands disagree, so the simple default is vitamin C in the morning and niacinamide or retinol at night.
Checked against brand ingredient lists on and against dermatology sources (American Academy of Dermatology, FDA, peer-reviewed studies). How we research · Editorial policy · 10 sources
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How this page was made: we compared what each brand publishes (actives, strengths, full ingredient lists, directions and prices) and checked the claims against dermatology guidance and published studies, all linked at the bottom. We haven’t tested these products on our own skin, we don’t publish star ratings, and a commission never decides a pick. Our methodology.
Not medical advice. This page compares cosmetic products. If you have a skin condition, use prescription treatment, or are pregnant or breastfeeding, ask a dermatologist or your doctor before starting something new.
Short answer
niacinamide with retinol is widely accepted; even Paula’s Choice says they pair well. Niacinamide with vitamin C is where brands disagree, so the simple default is vitamin C in the morning and niacinamide or retinol at night. Nothing we read describes a safety hazard.
Last updated Ingredient lists checked 2026-11-11Prices checked November 2026
The numbers side by side
| In brief | |
|---|---|
| The rule of thumb | niacinamide with retinol is widely accepted; even Paula’s Choice says they pair well. Niacinamide with vitamin C is where brands disagree, so the simple default is vitamin C in the morning and niacinamide or retinol at night. |
| Spending less | A full morning-and-evening set from The Ordinary (Vitamin C Suspension 23% $8.10, Niacinamide 10% $6, Retinol 0.2% $8.10) costs $22.20 at brand prices on our check date. You don’t need all three to start. |
Mixing questions are mostly about routine design, and the evidence base is thin: we found no clinical trial testing these combinations in finished products. What we can do is show you exactly what each brand says about its own formulas, and the routine the AAD[7][8][9] describes. We haven’t tested combinations ourselves.
What’s in each bottle?
Copied from each brand’s own product page (or the sunscreen’s Drug Facts) on November 11, 2026. Brands reformulate, so the carton in your hand is the final word.
The Ordinary Niacinamide 10% + Zinc 1%
- Key actives
- Niacinamide 10%, zinc PCA 1% (brand-stated)
- Base
- Water-based serum
- Brand price
- $6.00 · 30 ml (60 ml also sold)
- Brand notes
- Brand compatibility tool says not to use it in the same routine as its direct or indirect vitamin C products; patch test advised.
Full ingredient list
Aqua (Water), Niacinamide, Pentylene Glycol, Zinc PCA, Dimethyl Isosorbide, Tamarindus Indica Seed Gum, Xanthan Gum, Isoceteth-20, Ethoxydiglycol, Phenoxyethanol, Chlorphenesin.
The Ordinary product page · Check price on Amazon (opens in a new tab)
Naturium Niacinamide Serum 12% Plus Zinc 2%
- Key actives
- Niacinamide 12%, zinc PCA 2% (brand-stated)
- Base
- Water-based serum with hyaluronic acid
- Brand price
- $17.00 · 1.0 fl oz
- Brand notes
- Brand lists it as fragrance-free; says it can be used morning and evening.
Full ingredient list
Water, Niacinamide, Propanediol, Glycerin, Zinc PCA, Polyacrylate Crosspolymer-11, Sodium Hyaluronate, Dimethicone, Caprylyl Glycol, Phenoxyethanol, Xanthan Gum, Potassium Sorbate, Glyceryl Polyacrylate, Tocopheryl Acetate, Hexylene Glycol, Citric Acid.
Naturium product page · Check price on Amazon (opens in a new tab)
The Ordinary Vitamin C Suspension 23% + HA Spheres 2%
- Key actives
- L-ascorbic acid 23% (brand-stated), sodium hyaluronate
- Base
- Water-free silicone/ester suspension (slightly gritty)
- Brand price
- $8.10 · 30 ml
- Brand notes
- Brand: tingling can be expected; can be diluted into a cream; patch test advised; not to be used in the same routine as its niacinamide, retinoids, peptides or direct acids.
Full ingredient list
Ascorbic Acid, Squalane, Isodecyl Neopentanoate, Isononyl Isononanoate, Coconut Alkanes, Ethylene/Propylene/Styrene Copolymer, Ethylhexyl Palmitate, Silica Dimethyl Silylate, Sodium Hyaluronate, Glucomannan, Coco-Caprylate/Caprate, Butylene/Ethylene/Styrene Copolymer, Acrylates/Ethylhexyl Acrylate Crosspolymer, Trihydroxystearin, BHT.
The Ordinary product page · Check price on Amazon (opens in a new tab)
Paula’s Choice C15 Super Booster
- Key actives
- 15% pure vitamin C (ascorbic acid), brand-stated
- Base
- Water-based booster that can be mixed into serum or non-SPF moisturizer
- Brand price
- $59.00
- Brand notes
- Brand FAQ: can be used in the same routine as niacinamide; use vitamin C in the morning and retinol at night; color can range from clear to pale peach as it ages.
Full ingredient list
Full list not shown in the page text we could read; see the brand page.
Paula’s Choice product page · Check price on Amazon (opens in a new tab)
What do the brands say about mixing their own products?
| Brand and product | Niacinamide + vitamin C | Niacinamide + retinol |
|---|---|---|
| The Ordinary Niacinamide 10% + Zinc 1% | Use in separate routines; combining “may decrease effectiveness” | Not flagged |
| The Ordinary Vitamin C Suspension 23% | Don’t use with niacinamide (also flags retinoids, peptides, direct acids) | Don’t combine with retinoids |
| Naturium Niacinamide 12% + Zinc 2% | “You can absolutely layer” | Not addressed on the page |
| Paula’s Choice C15 Super Booster | “Yes”, same routine is fine | Use vitamin C AM, retinol PM |
| Paula’s Choice CLINICAL 1% Retinol | Vitamin C in the morning, retinol at night | “Retinol works well with niacinamide” |
Our reading: these are statements about each brand’s own formulas, which differ in pH and base. The Ordinary’s 23% vitamin C is a water-free suspension of pure L-ascorbic acid, which Pinnell[6] et al. (2001) found needs a pH below 3.5 to get into skin. That is one reason a brand might keep it apart from other actives.
What routine fits every brand’s advice?
- Morning: cleanser, vitamin C serum, moisturizer, sunscreen SPF 30+. The AAD’s[7][8][9] 20s skin-care guide describes applying vitamin C after washing your face, before sunscreen.
- Evening: cleanser, niacinamide, retinoid on retinoid nights, moisturizer. The AAD advises retinoids at night only.
- Adding things: one new product at a time, patch-tested for 7 to 10 days, per the AAD.
This avoids every “don’t mix” instruction above without giving anything up.
Which one suits your skin type?
- Sensitive: fewer actives, not more. Pick one of vitamin C or retinoid to start; niacinamide at 5% is often the easiest to tolerate.
- Oily / blemish-prone: niacinamide plus a retinoid at night is a common pairing; ask a dermatologist if you use acne medication.
- Dark spots: sunscreen first, then one active. See niacinamide vs vitamin C for dark spots.
Who should skip it?
- Stacking three or more new actives at once: The AAD[7][8][9] warns that starting more than one anti-aging product within a few days or weeks can irritate the skin.
- Retinoids during pregnancy: The AAD[7][8][9] says retinoids should not be used during pregnancy; Paula’s Choice suggests niacinamide, vitamin C or peptides as alternatives and to check with your doctor.
How can you spend less?
A full morning-and-evening set from The Ordinary (Vitamin C Suspension 23% $8.10, Niacinamide 10% $6, Retinol 0.2% $8.10) costs $22.20 at brand prices on our check date. You don’t need all three to start.
What should you know before you start?
- Patch test first. The American Academy of Dermatology suggests applying a new product to a quarter-sized area twice a day for 7 to 10 days and stopping if you react. AAD: how to test skin care products.
- Add one new product at a time, and give it time: the AAD says many anti-aging products take 6 weeks to 3 months to show results. AAD: get the most from anti-aging products.
- Retinoids: the AAD says to apply them at night, wear sunscreen daily, start with the lowest strength every other night, and that retinoids should not be used during pregnancy. AAD: retinoid or retinol?
What do people ask most?
Is it dangerous to mix niacinamide and vitamin C?
Can I use niacinamide and retinol together?
Should vitamin C go on morning or night?
Where this comes from
We opened and read every source below for this page. Ingredient lists, strengths, directions and prices come from each brand’s own product page; health and usage guidance comes from the American Academy of Dermatology, the FDA, the National Eczema Association and peer-reviewed studies (via PubMed). Prices checked: November 2026; confirm on the seller’s site before you buy.
- The Ordinary (brand page): The Ordinary Niacinamide 10% + Zinc 1% (theordinary.com)
- The Ordinary (brand page): The Ordinary Vitamin C Suspension 23% + HA Spheres 2% (theordinary.com)
- Naturium (brand page): Naturium Niacinamide Serum 12% Plus Zinc 2% (naturium.com)
- Paula’s Choice (brand page): Paula’s Choice C15 Super Booster (paulaschoice.com)
- Paula’s Choice (brand page): Paula’s Choice CLINICAL 1% Retinol Treatment (paulaschoice.com)
- Pinnell et al. 2001, Dermatologic Surgery: Topical L-ascorbic acid percutaneous absorption (pubmed.ncbi.nlm.nih.gov)
- AAD: Dermatologist-recommended skin care for your 20s (aad.org)
- AAD: Retinoid or retinol? (aad.org)
- AAD: How to test skin care products (aad.org)
- AAD: How to select anti-aging skin care products (aad.org)
Related
What niacinamide percentage do you actually need?
Short answer: the clinical studies we found used 2% niacinamide for oiliness and 5% for spots, blotchiness and fine lines. Serums at 10% to 12% are popular, but we found no trial showing they beat 5%, and higher strengths are more likely to sting reactive skin.
comparisonThe Ordinary Niacinamide 10% + Zinc 1% vs Naturium Niacinamide 12% + Zinc 2%
Both are high-strength niacinamide serums with zinc PCA, used morning and night. The Ordinary’s is 10% for $6; Naturium’s is 12% with hyaluronic acid for $17. Published trials used far less niacinamide than either: 2% to 5%.
guideVitamin C forms explained: L-ascorbic acid vs the derivatives
Short answer: L-ascorbic acid is the form with the most research, but it only gets into skin from a very acidic formula and it oxidizes easily. Derivatives such as ascorbyl glucoside are steadier and gentler, with weaker evidence. Sensitive skin should usually start with a derivative.
best ofThe best first retinol for your skin type
Your first retinoid should be low strength, used every other night, and match your skin type. Here are four starting points, from an $8.10 stated-strength retinol to single-dose capsules, and who should skip each.
guideNiacinamide vs vitamin C for dark spots: which should you try first?
Short answer: start with daily sunscreen (tinted, if you have a darker skin tone), then add one product. Niacinamide is the gentler first try with clearer clinical data on spots; L-ascorbic acid vitamin C is the stronger antioxidant but can sting.
comparisonThe Ordinary Ascorbyl Glucoside Solution 12% vs Vitamin C Suspension 23%
Same brand, opposite approaches. Ascorbyl Glucoside 12% is a water-based derivative the brand calls lower in irritation potential but less potent; Vitamin C Suspension 23% is pure L-ascorbic acid in a water-free base that the brand says will tingle.
guideRetinol vs retinal: which one should you start with?
Short answer: start with a low-strength retinol if you have never used a retinoid; move to retinal once your skin handles retinol without flaking. Retinal sits one conversion step closer to retinoic acid, so a smaller percentage does more.
comparisonThe Ordinary Retinol 1% vs Paula’s Choice CLINICAL 1% Retinol
Both brands state 1% retinol. The Ordinary puts it in a short, water-free oil base for $9.90; Paula’s Choice puts it in a lotion with peptides, a vitamin C derivative and soothing extracts for $65 list. Neither is a starting strength.
comparisonThe Ordinary Vitamin C Suspension 23% vs SkinCeuticals C E Ferulic
Both are pure L-ascorbic acid. The Ordinary suspends 23% in a water-free base for $8.10 and warns it tingles; SkinCeuticals pairs 15% with vitamin E and ferulic acid, the combination tested in a 2005 peer-reviewed study, at a much higher price.