Vitamin C Facial Serum with Niacinamide Ceramide T5 Multi-Effect Anti-Aging Anti-Wrinkle (4.06fl.oz/120ml) vs The INKEY List 15% Vitamin C and EGF Serum Helps to Intensively Brighten All Skin Types 30ml
Side-by-side comparison of scores, ingredients, prices and real customer feedback for Vitamin C Facial Serum with Niacinamide Ceramide T5 Multi-Effect Anti-Aging Anti-Wrinkle (4.06fl.oz/120ml) and The INKEY List 15% Vitamin C and EGF Serum Helps to Intensively Brighten All Skin Types 30ml.
Last verified: 07 Apr 2026 · Based on 25 reviews
Vitamin C Facial Serum with Niacinamide Ceramide T5 Multi-Effect Anti-Aging Anti-Wrinkle (4.06fl.oz/120ml) scores 74.0/100 vs The INKEY List 15% Vitamin C and EGF Serum Helps to Intensively Brighten All Skin Types 30ml at 73.0/100. Vitamin C Facial Serum with Niacinamide Ceramide T5 Multi-Effect Anti-Aging Anti-Wrinkle (4.06fl.oz/120ml) wins on ingredient quality, skin compatibility, texture experience. The INKEY List 15% Vitamin C and EGF Serum Helps to Intensively Brighten All Skin Types 30ml is stronger on value for money.
Which is better: Vitamin C Facial Serum with... or The INKEY List 15% Vitamin ...?
The INKEY List wins on value — £10.40 versus £55.00 for nearly identical effectiveness scores. DEBAIY suits those who need a larger bottle or prefer 3-OEA over ascorbyl glucoside for skin tolerance reasons.
— AIScored Editorial Team
How Do the Scores Compare?
Vitamin C Facial Serum with...
DEBAIY
|
The INKEY List 15% Vitamin ...
The INKEY Lis
|
|
|---|---|---|
| Overall Score | 74.0 | 73.0 |
| Effectiveness |
72.0/100
Best
|
72.0/100
Best
|
| Ingredient Quality |
74.0/100
Best
|
64.0/100 |
| Skin Compatibility |
84.0/100
Best
|
81.0/100 |
| Texture & UX |
80.0/100
Best
|
62.0/100 |
| Value for Money | 62.0/100 |
83.0/100
Best
|
| Best Price | £55.00 Amazon UK → |
£10.40
Amazon UK →
Cheapest
|
| Form | N/A | N/A |
| Dose | N/A | N/A |
| Third-Party Tested | ✗ No | ✗ No |
| Reviews Analysed | 12 | 13 |
Vitamin C Facial Serum with Niac...
Pros
- ✓No reported irritation even on sensitive, rosacea-prone, or acne-prone skin — fragrance-free, alcohol-free, mineral-oil-free
- ✓Stable Vitamin C derivative (3-OEA) functions at neutral pH, avoiding the oxidation and compatibility issues of L-ascorbic acid
- ✓Multiple users report visible hyperpigmentation lightening, brightening, and improved skin tone with consistent use
- ✓Transparent ingredient labeling with percentages and Dalton range noted — rare and consumer-trustworthy
Cons
- ✗2% 3-OEA is a conservative dose — clinical evidence for this derivative is thinner than for L-ascorbic acid, and higher concentrations (5–10%) are generally associated with stronger depigmentation outcomes
- ✗3% niacinamide is on the lower end; products targeting visible pore reduction or sebum control typically use 5–10%
- ✗Retail price (cited at ~$64 by reviewers) is high relative to the modest active concentrations and a less-proven Vitamin C form
- ✗No full INCI list provided, making it impossible to evaluate the complete ingredient deck, excipients, or preservative system
Best For
The INKEY List 15% Vitamin C and...
Pros
- ✓Consistent user-reported brightening and hyperpigmentation reduction, including on darker skin tones
- ✓Ascorbyl Glucoside is highly stable, fragrance-free, and rarely causes stinging — suitable for sensitive skin
- ✓Excellent value for money, praised repeatedly across reviews
- ✓No irritating alcohols or fragrance; absorbs without leaving a heavy residue for most users
Cons
- ✗Ascorbyl Glucoside requires enzymatic conversion to L-ascorbic acid in skin — inherently less potent and potentially slower than pure vitamin C serums
- ✗EGF (sh-Oligopeptide-1) topical efficacy is scientifically unproven at cosmetic concentrations due to limited skin penetration
- ✗Pump mechanism reported as poor quality — leaks product and wears out quickly
- ✗Some users find texture noticeably sticky; no fill-level indicator on the bottle
Best For
What does the data say about Vitamin C Facial Serum... vs The INKEY List 15% Vit...?
Both serums avoid L-ascorbic acid — the most potent but most irritating form of vitamin C — opting instead for stable derivatives. DEBAIY uses 3-O-Ethyl Ascorbic Acid (3-OEA) at 2%, a derivative that works at neutral pH and sidesteps the oxidation and stinging associated with pure vitamin C. It pairs this with 3% niacinamide and ceramides, making it a multitasking hydration-and-brightening formula. The INKEY List takes a different route with Ascorbyl Glucoside at 15% — a sugar-bonded form of vitamin C that's exceptionally stable and gentle, but requires enzymatic conversion in the skin before it becomes active, which means slower and potentially weaker results. Its headline addition is EGF (sh-Oligopeptide-1), though topical efficacy for growth factors at cosmetic concentrations remains scientifically contested. Both score 72/100 for effectiveness, which reflects these shared limitations.
Price is where the two diverge sharply. DEBAIY costs £55.00 for 120ml and scores just 62/100 for value — that's a meaningful premium for ingredients that aren't clinically stronger than the competition. The INKEY List comes in at £10.40 for 30ml, scoring 83/100 for value, and is frankly hard to argue with for someone starting out with vitamin C or on a tight budget.
If you have sensitive skin and want a calm, hydrating daily serum that does a bit of everything, DEBAIY suits that brief — particularly for rosacea-prone skin that's reacted badly to stronger actives before. If you're mainly after brightening and hyperpigmentation reduction without spending much, The INKEY List is the more practical pick. One practical note: DEBAIY's 120ml bottle will last considerably longer, which softens the price gap slightly over time, though not enough to close it entirely.
DEBAIY's serum uses 3-O-Ethyl Ascorbic Acid (3-OEA), a pH-stable Vitamin C derivative that sidesteps the low-pH requirement of L-ascorbic acid, allowing effective co-formulation with 3% niacinamide and 1% ceramide T5 without compatibility conflicts.
What are the key differences?
Frequently Asked Questions
Which is better, Vitamin C Facial Serum with Niacinamide Ceramide T5 Multi-Effect Anti-Aging Anti-Wrinkle (4.06fl.oz/120ml) or The INKEY List 15% Vitamin C and EGF Serum Helps to Intensively Brighten All Skin Types 30ml? ▼
Is Vitamin C Facial Serum with Niacinamide Ceramide T5 Multi-Effect Anti-Aging Anti-Wrinkle (4.06fl.oz/120ml) worth the price compared to The INKEY List 15% Vitamin C and EGF Serum Helps to Intensively Brighten All Skin Types 30ml? ▼
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Disclaimer: AIScored provides data-driven comparisons based on publicly available reviews. This is not medical advice. Affiliate links may earn us a commission at no extra cost to you.
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