Product record Nº 003 / Serums, vitamin C · E · ferulic
Stronger pickTimeless Skin Care 20% Vitamin C + E Ferulic Acid Serum
- $4.73
- per gram of active
- $27.95
- retail
- $0.95
- per mL
- 4.8 ★
- 11,127 ratings
- Best for
- Brightening & dark spots · Antioxidant defense · Anti-aging & firmness
- How it feels
- Lightweight, fast-absorbing serum
- Value
- $27.95 for 30 mL · $0.95/mL
Bottom line The original Reddit-approved budget dupe for SkinCeuticals CE Ferulic — still the strongest and cheapest, but the 20% punishes sensitive skin more than the $180 original does.
Editorial verdict / Social intelligence
The original Reddit-approved budget dupe for SkinCeuticals CE Ferulic — still the strongest and cheapest, but the 20% punishes sensitive skin more than the $180 original does. 1
- Beauty benefit
- Brightens dull skin, fades dark spots and hyperpigmentation, and protects against free-radical damage via the gold-standard triple: 20% L-ascorbic acid + vitamin E (1%) + ferulic acid (0.5%). The 20% concentration is the highest available in a CE Ferulic-archetype formula, theoretically delivering stronger antioxidant potency than the original's 15%.
- Does it work
- Yes, for most skin types. Across editorial, derm, and retail review channels, the consistent signal is visible brightening within 2-4 weeks and meaningful dark-spot fading over 1-3 months. Sensitive skin is the major caveat — the very low pH (2.5-2.67, measured) and 20% concentration cause tingling or outright irritation for a meaningful minority, who are better served by the 10% version or Timeless's gentler competitors at 15%. See the verified data below →
Consensus strength
StrongAmazon 1oz listing: 4.2 stars / 11,302 reviews; Target: 4.71 stars / 10,610 reviews; multiple editorial and derm-adjacent reviews (2017-2026); one verified dermatologist video comparison vs SkinCeuticals (Dr. Dray, 2021). Near-universal praise for efficacy and value; consistent minority complaint about irritation and oxidation speed.
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 Timeless Skin Care on their product page.
- 20% L-ascorbic acid the dossier →
- n.d. Vitamin E (tocopherol) the dossier →
- n.d. Ferulic acid the dossier →
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 | Water |
| — |
| 02 | Ethoxydiglycol |
| ✓ reviewed |
| 03 | L-Ascorbic Acid CosIng: ASCORBIC ACID |
| ✓ reviewed |
| 04 | Propylene Glycol |
| ✓ reviewed |
| 05 | Alpha Tocopherol CosIng: TOCOPHEROL |
| ✓ reviewed |
| 06 | Polysorbate 80 |
| ✓ reviewed |
| 07 | Panthenol |
| ✓ reviewed |
| 08 | Ferulic Acid |
| — |
| 09 | Sodium Hyaluronate |
| ✓ reviewed |
| 10 | Benzylalcohol CosIng: BENZYL ALCOHOL |
| ✓ reviewed |
| 11 | Dehydroacetic Acid |
| ✓ reviewed |
11 ingredients as printed · 8 exact CosIng matches · 3 normalized spellings · source: disclosed by brand
03 / The ranking
We ranked it against the $185 original
Where it landed
Nº 3 of 7
46% base-formula match
Stronger pick
Ranked Nº 3 of 7 against the $185 original — the highest base-formula match (46%) of anything sold online. But at 20% L-ascorbic acid against the original's 15%, it is the stronger formula, not the faithful one: more potent on paper, more likely to sting or flush on reactive skin.
04 / Where to buy
Where to buy it
Buy on Amazon $35.95 Amazon price as of 2026-06-12; $27.95 direct retail.
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 21,912 verified reviews across 3 sources.
What works
- Common Visibly brightens skin and fades dark spots within 2-4 weeks at a price no premium brand can touch 4126
Works just as well as SkinCeuticals...I noticed visible results after a week Editorial
- Common Formula is an almost identical match to SkinCeuticals CE Ferulic — same active trio at correct pH — at roughly 1/7 the price 451113
SKINSKOOL rated it 10/10 bars for ingredient similarity Editorial
- Common Lightweight, fast-absorbing, water-based texture that layers cleanly under SPF and makeup 536
lighter, sits better under makeup / SPF Editorial
- Some Pump packaging (glass bottle, newer iterations) protects the formula better than the dropper format used by many competitors 911
Pump packaging prevents oxidation better than dropper dispensers Editorial
- Some Excellent oxidation stability when refrigerated — reviewers who store it correctly report minimal color change for 2-3 months 78
Two months after opening the product, mine is still almost colorless Editorial
- Some Dermatologist-endorsed as the go-to affordable alternative to SkinCeuticals (Dr. Dray, YouTube) 13
Timeless Skin Care Vitamin C serum vs Skinceuticals CE ferulic — Dr. Dray comparison review Video
What to know
- Common 20% concentration is too irritating for sensitive or compromised skin — causes stinging, redness, and flaking on initial use 3610
High concentrations can cause redness and flaking, particularly for those with sensitive skin Editorial
- Common Oxidizes within 3-5 months of opening — serum turns yellow then orange, signaling reduced efficacy 3210
Timeless guarantees effectiveness for only three months. If the serum turns brown, it's unusable. Editorial
- Common Characteristic 'hot dog water' smell from ferulic acid is unpleasant, though it dissipates after absorption 7911
faintly of hot dog water due to the ferulic acid Editorial
- Some Buying the 4oz size risks wasting product to oxidation before you finish it — the 1oz format is safer 9
The 4 oz size oxidizes before full use; the 1 oz is preferable Editorial
- Some Very low pH (2.5-2.67, lab-verified) means it must be used with caution alongside other acidic actives (AHAs, retinol, niacinamide) 87
pH 2.5-2.67 measured with pH meter Editorial
What you'd only know from the reviews
-
The 20% strength is Timeless's differentiator vs SkinCeuticals' 15% — but this is a double-edged sword. The extra 5% delivers no proven additional clinical benefit over 15% for most skin types (Beautifulwithbrains and SkincarePH both cite this), while meaningfully increasing irritation risk. The 10% Timeless variant is a smarter choice for anyone new to vitamin C or with reactive skin. 35
-
Decant into a small, airtight bottle for daily use and keep the main bottle refrigerated — this measurably slows oxidation. One long-term user (SkincarePH) ran the serum for 9-10 months without oxidation using this system. Without refrigeration, expect color change (and potency loss) within 3 months. 87
-
The Timeless formula has a slight texture advantage over SkinCeuticals for daytime wear — it doesn't 'ball up' under sunscreen or makeup the way SkinCeuticals can. For morning routines stacked with SPF, this is a real benefit the price comparison alone doesn't capture. 5
vs. SkinCeuticals
Consensus is that Timeless is a genuine CE Ferulic dupe — same L-ascorbic acid / vitamin E / ferulic acid trio at correct acidic pH, independently rated 10/10 for ingredient similarity by SKINSKOOL (via StyleCaster). The 20%-vs-15% split is the defining tension: Timeless gives you more vitamin C per dollar, but the original's 15% is the clinically validated dose and is demonstrably gentler on sensitive skin. Myskincareregime (Hannah, 2020 head-to-head): prefers Timeless for lighter texture and better layering under SPF, despite SkinCeuticals being more sensitive-skin-friendly. Beautifulwithbrains (Giorgia Guazzarotti, Apr 2026): 'For most people, 15% is more than enough — the 20% requires gradual acclimation.' Well Dressed Life (Megan Kristel, 2024): switched from SkinCeuticals to Timeless as her daily driver. Bottom line: for resilient skin, Timeless wins on value and texture; for sensitive skin, the extra 5% vitamin C is a liability rather than a benefit, and SkinCeuticals' 15% (or a 15% dupe like Maelove) is the smarter call.
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06 / Questions
Frequently asked
- What's in Timeless Skin Care 20% Vitamin C + E Ferulic Acid Serum?
- Timeless Skin Care 20% Vitamin C + E Ferulic Acid Serum lists 11 ingredients. The actives: 20% L-ascorbic acid, vitamin E (tocopherol) at an undisclosed percentage and ferulic acid at an undisclosed percentage. Percentages published by Timeless Skin Care on their product page. The full list, matched ingredient-by-ingredient to the EU CosIng register, is on this page.
- Is Timeless Skin Care 20% Vitamin C + E Ferulic Acid Serum a good dupe for SkinCeuticals C E Ferulic?
- Ranked Nº 3 of 7 against the $185 original — the highest base-formula match (46%) of anything sold online. But at 20% L-ascorbic acid against the original's 15%, it is the stronger formula, not the faithful one: more potent on paper, more likely to sting or flush on reactive skin.
- How much vitamin C does Timeless Skin Care 20% Vitamin C + E Ferulic Acid Serum have?
- 20% L-ascorbic acid — the pure, unconverted form of vitamin C. The original uses 15%. Percentages published by Timeless Skin Care on their product page.
- Where can I buy Timeless Skin Care 20% Vitamin C + E Ferulic Acid Serum?
- $35.95 on Amazon (price recorded 2026-06-12), or $27.95 direct from Timeless Skin Care.