Comparison

The 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.

A smooth amber serum swipe and a gritty suspension swipe on marble with grass stalks and a blood orange
Illustration (AI-generated; no real products shown).
By PickedSkincare Editorial TeamLast updated Prices checked: November 2026

Checked against brand ingredient lists on and against dermatology sources (American Academy of Dermatology, FDA, peer-reviewed studies). How we research · Editorial policy · 8 sources

Disclosure: PickedSkincare is reader-supported. “Check price” links may become affiliate links, and we may earn a commission if you buy through them, at no extra cost to you. Commission never decides a pick, and we tell you when the cheaper bottle is the better buy. How we make money.

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

pick SkinCeuticals C E Ferulic if you want the exact vitamin C + E + ferulic combination that has published lab data behind it and can afford the price. Pick The Ordinary Vitamin C Suspension 23% ($8.10, 30 ml) if you want pure vitamin C cheaply, have tolerant skin and don’t mind a gritty texture and tingling.

Last updated Ingredient lists checked 2026-11-11Prices checked November 2026

Check The Ordinary Vitamin C Suspension price (opens in a new tab)Check SkinCeuticals C E Ferulic price (opens in a new tab)

The numbers side by side

The Ordinary Vitamin C Suspension 23% + HA Spheres 2% vs SkinCeuticals C E Ferulic: brand-listed details (prices checked November 2026)
The Ordinary Vitamin C Suspension 23% + HA Spheres 2%SkinCeuticals C E Ferulic
Price (brand site)$8.10 for 30 mlCheck current price
Vitamin CL-ascorbic acid 23%L-ascorbic acid 15%
Supporting antioxidantsNone listed beyond BHT (a preservative antioxidant)Vitamin E 1%, ferulic acid 0.5%, carnosine 0.3%
How it stays stableNo water in the formulaFerulic acid and vitamin E (Lin et al. 2005)
TextureSlightly granular suspension; tingling expectedWater-based serum

This is the classic “drugstore vs prestige” vitamin C question. The difference isn’t just price: the two formulas solve vitamin C’s instability in opposite ways. We compared the brand pages against the research. We haven’t tested either serum. SkinCeuticals’ price was not clearly shown in the page text we could read, so check it at the retailer.

The Ordinary Vitamin C Suspension 23% + HA Spheres 2%
SkinCeuticals C E Ferulic

How do they differ, line by line?

Brand-listed details, checked November 11, 2026 (The Ordinary and SkinCeuticals product pages)
The Ordinary Vitamin C Suspension 23% + HA Spheres 2%SkinCeuticals C E Ferulic
Price (brand site)$8.10 for 30 mlCheck current price
Vitamin CL-ascorbic acid 23%L-ascorbic acid 15%
Supporting antioxidantsNone listed beyond BHT (a preservative antioxidant)Vitamin E 1%, ferulic acid 0.5%, carnosine 0.3%
How it stays stableNo water in the formulaFerulic acid and vitamin E (Lin et al. 2005)
TextureSlightly granular suspension; tingling expectedWater-based serum
After openingNot statedUse within 3–6 months; darkening is normal
Brand’s mixing noteDon’t use with niacinamide, retinoids, peptides, direct acidsNot stated on the page we read

What does each do well, and where does it fall short?

The Ordinary Vitamin C Suspension 23% + HA Spheres 2%: pros

  • $8.10
  • Water-free, so less prone to oxidizing
  • High stated strength

The Ordinary Vitamin C Suspension 23% + HA Spheres 2%: cons

  • 23% is above the 20% where absorption peaked in Pinnell et al.
  • Gritty and tingly, per the brand
  • Long “don’t use with” list

SkinCeuticals C E Ferulic: pros

  • The vitamin C + E + ferulic combination studied by Lin et al. (2005)
  • Fragrance-free, per the brand
  • Every active percentage stated by the brand

SkinCeuticals C E Ferulic: cons

  • Far more expensive
  • Darkens over time; finish within 3–6 months
  • Acidic formula may sting sensitive skin

Which one fits your skin?

SkinCeuticals is paying for the research-backed antioxidant trio; The Ordinary is paying for nothing but vitamin C in a stable base. For most tolerant skin on a budget, The Ordinary is a reasonable start. If you want the formula with the best published support, it’s C E Ferulic. If your skin is sensitive, neither is the best first step: consider a derivative.

Pick The Ordinary Vitamin C Suspension 23% + HA Spheres 2% if…

  • budget matters
  • your skin tolerates tingling and acids
  • you want a water-free formula
Check The Ordinary Vitamin C Suspension price (opens in a new tab)

Pick SkinCeuticals C E Ferulic if…

  • you want the studied C + E + ferulic combination
  • you prefer a liquid serum to a gritty suspension
  • the price is fine for you
Check SkinCeuticals C E Ferulic price (opens in a new tab)
Comparison card. The Ordinary Vitamin C Suspension 23% + HA Spheres 2%: $8.10; key actives L-ascorbic acid 23% (brand-stated), sodium hyaluronate. SkinCeuticals C E Ferulic: No brand-site price; key actives L-ascorbic acid 15%, alpha tocopherol 1%, ferulic acid 0.5%, plus carnosine 0.3% and “Endophytol” 1% in the current formula (all brand-stated).
Side-by-side card built from each brand’s product page (checked November 11, 2026).
Chart of brand-stated ingredient percentages on a log scale. The Ordinary Vitamin C Suspension 23% + HA Spheres 2%: L-ascorbic acid 23%; SkinCeuticals C E Ferulic: L-ascorbic acid 15%, alpha tocopherol 1%, ferulic acid 0.5%, carnosine 0.3%.
Brand-stated percentages only. Different ingredients aren’t equal per percent, so compare like with like.

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 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)

SkinCeuticals C E Ferulic

Key actives
L-ascorbic acid 15%, alpha tocopherol 1%, ferulic acid 0.5%, plus carnosine 0.3% and “Endophytol” 1% in the current formula (all brand-stated)
Base
Water-based serum
Brand price
Not sold on the brand site; check a retailer
Brand notes
Brand: fragrance-free, paraben-free, alcohol-free; darkens with air and light; use within 3–6 months of opening.
Full ingredient list

Full list not shown in the page text we could read; see the brand page.

SkinCeuticals product page · Check price on Amazon (opens in a new tab)

What did the Lin 2005 study show, and not show?

Lin[4] and colleagues, from Duke University, added 0.5% ferulic acid to a solution of 15% L-ascorbic acid and 1% alpha-tocopherol. It improved the chemical stability of the vitamins and doubled protection against simulated sunlight in skin, from about 4-fold to about 8-fold, measured by redness and sunburn cells. It was a lab and skin-sample study, not a trial of wrinkles or dark spots, and it doesn’t make vitamin C a sunscreen.

Which one suits your skin type?

  • Oily, tolerant: either; The Ordinary’s squalane-and-ester base may feel slick.
  • Dry: The Ordinary’s oil-like base may feel better; the brand says it can be diluted into a cream.
  • Sensitive: neither first. See a gentler derivative.
Decision diagram: Which vitamin C form fits your skin? Sensitive skin, or new to vitamin C? No → Fine with tingling from acidic serums? No → Start with a derivative, or dilute L-ascorbic acid in moisturizer. Sensitive skin, or new to vitamin C? No → Fine with tingling from acidic serums? Yes → L-ascorbic acid; absorption peaked at 20% in research (Pinnell 2001). Sensitive skin, or new to vitamin C? Yes → A gentler derivative such as ascorbyl glucoside, every morning. Use it in the morning, under SPF 30+. Vitamin C is not a sunscreen.
Which vitamin C form fits your skin? A simplified path drawn from the guidance and sources on our vitamin C pages; it isn’t a diagnosis.
Routine order diagram. Morning: 1. Cleanse, 2. Treatment serum (The Ordinary Vitamin C Suspension 23% + HA Spheres 2%, SkinCeuticals C E Ferulic), 3. Moisturizer, 4. Sunscreen, SPF 30+. Night: 1. Cleanse, 2. Treatment, 3. Moisturizer.
Routine order following AAD guidance; highlighted steps are where this page’s products go.

Who should skip it?

  • Sensitive or rosacea-prone skin: Both are acidic L-ascorbic acid; The Ordinary says direct vitamin C may not suit sensitive skin. Consider instead: ascorbyl glucoside.
  • Anyone using it instead of sunscreen: The Lin[4] study measured a boost to skin’s defenses, not sunscreen-level protection; the AAD[8] routine keeps SPF 30+ on top.

How can you spend less?

The Ordinary at $8.10 is the budget choice. Paula’s Choice C15 Super Booster ($59) is a mid-price 15% L-ascorbic acid option that the brand says can be used with niacinamide.

What should you know before you start?

What do people ask most?

Is The Ordinary Vitamin C a dupe for C E Ferulic?
No. Both contain L-ascorbic acid, but The Ordinary has no vitamin E or ferulic acid, the two ingredients the Lin[4] 2005 study added.
Is 23% better than 15%?
Not necessarily: Pinnell[5] et al. (2001) found skin absorption of L-ascorbic acid peaked at 20%.
Why is my C E Ferulic darker than when I bought it?
SkinCeuticals says darkening over time is normal and recommends using it within 3 to 6 months of opening.
Morning or night?
Morning, before sunscreen, is the routine the AAD[8] describes for vitamin C.

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.

  1. The Ordinary (brand page): The Ordinary Vitamin C Suspension 23% + HA Spheres 2% (theordinary.com)
  2. SkinCeuticals (brand page): SkinCeuticals C E Ferulic (skinceuticals.com)
  3. Paula’s Choice (brand page): Paula’s Choice C15 Super Booster (paulaschoice.com)
  4. Lin et al. 2005, Journal of Investigative Dermatology: Ferulic acid stabilizes vitamins C and E (pubmed.ncbi.nlm.nih.gov)
  5. Pinnell et al. 2001, Dermatologic Surgery: Topical L-ascorbic acid percutaneous absorption (pubmed.ncbi.nlm.nih.gov)
  6. Al-Niaimi & Chiang 2017, Journal of Clinical and Aesthetic Dermatology: Topical vitamin C and the skin (pubmed.ncbi.nlm.nih.gov)
  7. The Ordinary (brand guide): Vitamin C in skincare, direct vs derivative forms (theordinary.com)
  8. AAD: Dermatologist-recommended skin care for your 20s (aad.org)
guide

Vitamin 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.

comparison

The 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.

guide

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.

guide

Niacinamide 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.

comparison

La Roche-Posay Anthelios Ultra Light Fluid SPF 60 vs EltaMD UV Clear SPF 46

Anthelios uses four chemical filters (avobenzone, homosalate, octisalate, octocrylene), is water resistant for 80 minutes and costs $35.99. UV Clear pairs zinc oxide 9% with octinoxate 7.5%, adds 5% niacinamide, is aimed at sensitive, rosacea- and acne-prone skin, isn’t water resistant and costs $46 for 1.7 oz.