Verified Beauty Data

Product record Nº 005 / Serums, vitamin C · E · ferulic

Best budget

Geek & Gorgeous C-Glow

Serum · 30 mL · disclosed by brand

$3.20
per gram of active
$14.90
retail
$0.50
per mL
Ships in
Airless pump bottlebrand ↗ good light protection
pH
pH 3.0–3.4brand ↗ brand-published — we have not lab-tested it
Data source
Disclosed by brand Percentages published by Geek & Gorgeous on their product page.
Geek & Gorgeous C-Glow bottle
Pictured: the Amazon listing
Best for
Brightening & dark spots · Antioxidant defense
How it feels
Lightweight, fast-absorbing serum
Value
€12.50 for 30 mL · $0.50/mL

Bottom line The €12.50 chemist-darling that Europe discovered before the rest of the world — a textbook CE Ferulic clone with weekly-fresh batches and an honest stability story.

Editorial verdict / Social intelligence

Qualified yes Product review

The €12.50 chemist-darling that Europe discovered before the rest of the world — a textbook CE Ferulic clone with weekly-fresh batches and an honest stability story. 1

Beauty benefit
Brightens dull skin, fades post-acne marks and hyperpigmentation, and delivers antioxidant protection against environmental damage — using the same gold-standard trio (15% L-ascorbic acid + vitamin E + ferulic acid) that defines the SkinCeuticals CE Ferulic archetype, at roughly 1/12 the price.
Does it work
Yes, for most skin types. With 1,006 brand-site reviews at 93% five-star, consistent editorial praise across 6+ sources, and explicit mention in Lab Muffin's (chemistry PhD) copycat-serums list, the formula is legitimate. Users report visible brightening within 1-2 weeks and dark spot fading after 4-6 weeks of consistent use. Notable caveat: the brand itself warns the low pH (3.0-3.4) and high ascorbic acid concentration make it unsuitable for sensitive or redness-prone skin. See the verified data below →

Consensus strength

Moderate

1,006 brand-site reviews (93% five-star), 3.6/5 on Lyko.com (19 reviews, smaller EU retail sample), listed among 'copycat serums' by Lab Muffin (chemistry PhD educator), 5+ editorial reviews, mentioned positively in SkinSort community as top affordable vitamin C pick. Consensus is genuine but based on a smaller review corpus than US-domestic brands — reflects the brand's EU-primary footprint and relative US obscurity until recent Amazon expansion.

01 / The actives

Read against the original's trio

The reference is the original's disclosed 15 / 1 / 0.5 — 15% L-ascorbic acid, 1% vitamin E, 0.5% ferulic acid. This readout is the apples-to-apples comparison.

Disclosed by brand. Percentages published by Geek & Gorgeous on their product page.

02 / The full ingredient list

Every ingredient, in label order

Exactly as printed, each token matched to the EU CosIng register and flagged where a CIR safety assessment exists. Highlighted rows are the actives.

# Ingredient, as printed CosIng functions CIR
01 Aqua (Water) CosIng: AQUA
  • solvent
02 (L-)Ascorbic Acid CosIng: ASCORBIC ACID
  • antioxidant
  • buffering
  • fragrance
  • skin conditioning
✓ reviewed
03 Dimethyl Isosorbide
  • solvent
  • viscosity controlling
04 Butylene Glycol
  • humectant
  • fragrance
  • skin conditioning
  • solvent
  • viscosity controlling
✓ reviewed
05 Peg/Ppg/Polybutylene Glycol-8/5/3 Glycerin
  • humectant
06 Ferulic Acid
  • antimicrobial
  • antioxidant
07 Tocopherol
  • antioxidant
  • fragrance
  • skin conditioning - miscellaneous
  • skin conditioning - occlusive
✓ reviewed
08 Phenoxyethanol
  • antimicrobial
  • preservative
✓ reviewed
09 Ethylhexylglycerin
  • deodorant
  • skin conditioning
✓ reviewed
10 Sodium Hydroxide
  • buffering
  • denaturant
✓ reviewed

10 ingredients as printed · 8 exact CosIng matches · 2 normalized spellings · source: disclosed by brand

03 / The ranking

We ranked it against the $185 original

Where it landed

Nº 5 of 7

27% base-formula match

Best budget

Ranked Nº 5 of 7 against the $185 original. The base formula drifts (27% match) — but at $3.20 per gram of active it is the cheapest disclosed active gram of anything you can order, 11.8× cheaper than the original's $37.91. The strict-budget route.

04 / Where to buy

Where to buy it

Buy on Amazon $14.90 €12.50 direct from the brand; Amazon price as of 2026-06-12.

Some links on this page earn us a commission. It never changes the verdict — the ranking and methodology are public.

05 / What people say

What buyers actually say

Aggregated from 1,025 verified reviews across 2 sources.

What works

  • Common Visibly brightens skin and evens tone within 1-2 weeks; dark spots fade over 4-6 weeks 198
    93% five-star ratings citing brightening and dark spot fading Reviews
  • Common Ultra-lightweight, water-like texture that absorbs instantly without stickiness or grease 5104
    This is a truly lightweight watery serum. It soaks into the skin effortlessly and doesn't feel sticky Editorial
  • Common Exceptional value — textbook CE Ferulic formula at roughly 1/12 the SkinCeuticals price 87
    C-Glow costs approximately 12 times less ($14.90 vs. $185) with similar core formula (15% L-ascorbic acid, vitamin E, ferulic acid) Editorial
  • Some Accelerates fading of post-acne marks and hyperpigmentation 56
    Accelerates fading of post-blemish marks with promising results on brown spots Editorial
  • Some Endorsed by chemistry-credentialed skincare educators as a legitimate LAA copycat formula 11
    Listed among 'copycat serums' by Lab Muffin (Michelle Wong, chemistry PhD); Lab Muffin reader: 'For less than £12, this is a great deal' Editorial

What to know

  • Common Not suitable for sensitive or redness-prone skin — brand itself warns against it due to low pH and high acid concentration 174
    Suitable for all skin types except sensitive or redness-prone skin due to low pH and high acid content Reviews
  • Common Requires refrigeration — short 3-month open shelf life and ~6-week room-temperature window add friction to daily use 25
    8 months from production unopened and stored in the fridge; once opened, use within 3 months while refrigerated; keeps about 6 weeks at room temperature Reviews
  • Some Hot-dog-water smell characteristic of L-ascorbic acid + ferulic acid formulas; some Lyko reviewers found it strong 5114
    that slight hot-dog water like scent that you generally get from Ascorbic Acid based serums Editorial
  • Some US availability friction — previously EU-only shipping with significant international costs; US site now exists but C-Glow has shown as sold out 63
    Shipping costs to US are significant Editorial

What you'd only know from the reviews

  • The brand makes C-Glow in small batches every week — by the time a bottle reaches customers it is typically only 2-4 weeks old. This freshness-by-design approach meaningfully reduces pre-purchase oxidation risk compared to warehouse-aged alternatives, and is a genuine differentiator over other budget LAA serums. 1

  • Oxidation is color-coded and user-readable: light yellow = still acceptable; dark yellow-brown with thick texture = discard. This transparency gives users a built-in efficacy monitor that most competitors do not provide, reducing the 'using a dead product' problem common with LAA serums. 25

  • The brand ships a small empty 'mini bottle' with orders so users can decant a few weeks' worth into the bathroom while the main bottle stays in the fridge. This friction-reduction system directly addresses the biggest practical complaint about refrigeration-dependent vitamin C serums. 2

  • The Lyko EU-retailer rating (3.6/5 on 19 reviews) is notably lower than the brand-site rating (93% five-star on 1,006 reviews). This gap likely reflects selection bias on the brand site (happy customers self-select to review) and a broader Lyko user base encountering the storage/sensitivity caveats without expecting them. Treat the brand rating as an enthusiasm signal, not an absolute quality score. 41

vs. SkinCeuticals

Widely cited as a genuine CE Ferulic archetype dupe — same 15% L-ascorbic acid, vitamin E, and ferulic acid at correct LAA pH (3.0-3.4). SkinSort's ingredient-matching algorithm rates SkinCeuticals CE Ferulic as the 'most liked dupe' for C-Glow with a 69% overall match (inverse direction: C-Glow matches CE Ferulic). Lab Muffin lists it among 'copycat serums' explicitly modeled on the CE Ferulic formula. Key differences: C-Glow uses a leaner 10-ingredient formula without CE Ferulic's additional botanical antioxidants; vitamin E is present but in a smaller amount per getstylish.blog. Editorial consensus is that C-Glow delivers the core antioxidant mechanism of CE Ferulic at ~1/12 the price, but reviewers who have tried both side-by-side are sparse — the dupe claim rests primarily on formula comparison rather than head-to-head user trials, making it more 'formula dupe' than 'results dupe.' Skint Skincare reviewer acknowledges the comparison but has not personally tested CE Ferulic.

  1. 1 Reviews Geek & Gorgeous C-Glow — Official Product Page 2026-06-12
  2. 2 Reviews Geek & Gorgeous FAQ — C-Glow Storage, Shelf Life, Mini Bottle 2026-06-12
  3. 3 Reviews Geek & Gorgeous C-Glow — US Site (geekandgorgeous.us) 2026-06-12
  4. 4 Reviews Geek & Gorgeous C-Glow Serum 30ml — Lyko EU Retailer 2026-06-12
  5. 5 Editorial Geek and Gorgeous C-Glow Review — Skint Skincare 2023-09
  6. 6 Editorial My Thoughts On The Geek And Gorgeous C-Glow Vitamin C Serum — Goals to Get Glowing 2022-06
  7. 7 Editorial Geek & Gorgeous C-Glow Vitamin C Serum Review — KBeauty Notes 2024
  8. 8 Editorial Geek and Gorgeous Vitamin C Review 2026: Worth the Hype? — GetStylish Blog 2026
  9. 9 Editorial Review: Geek & Gorgeous C-Glow 15% Vitamin C Serum — Sugar Peaches Loves 2022-02
  10. 10 Editorial Geek & Gorgeous Skincare Review (Now Available in the US) — Beauty Tidbits 2023-07
  11. 11 Editorial Ultimate Guide to Vitamin C Skincare Part 1: Ascorbic Acid — Lab Muffin Beauty Science (Michelle Wong, PhD) 2024
  12. 12 Reviews Geek & Gorgeous C-Glow — Amazon.com listing (ASIN B08NVZ4T3B) 2026-06-12

06 / Questions

Frequently asked

What's in Geek & Gorgeous C-Glow?
Geek & Gorgeous C-Glow lists 10 ingredients. The actives: 15% L-ascorbic acid, vitamin E (tocopherol) at an undisclosed percentage and 0.5% ferulic acid. Percentages published by Geek & Gorgeous on their product page. The full list, matched ingredient-by-ingredient to the EU CosIng register, is on this page.
Is Geek & Gorgeous C-Glow a good dupe for SkinCeuticals C E Ferulic?
Ranked Nº 5 of 7 against the $185 original. The base formula drifts (27% match) — but at $3.20 per gram of active it is the cheapest disclosed active gram of anything you can order, 11.8× cheaper than the original's $37.91. The strict-budget route.
How much vitamin C does Geek & Gorgeous C-Glow have?
15% L-ascorbic acid — the pure, unconverted form of vitamin C. Percentages published by Geek & Gorgeous on their product page.
Where can I buy Geek & Gorgeous C-Glow?
$14.90 on Amazon (price recorded 2026-06-12).