Side-by-side comparison

Drunk Elephant C-Firma Fresh Day Serum vs SkinCeuticals C E Ferulic

Both are serums. They share a 99% active-ingredient overlap, so the real decision is about price, texture and the supporting ingredients. Here's the side-by-side.

99%Active overlap
Drunk Elephant
C-Firma Fresh Day Serum
SerumLuxuryMorning only
Dark SpotsAgingDullnessprotectSensitive skinDamaged barrier

A two-part serum activated at first use — 15% L-ascorbic acid + ferulic acid + vitamin E + pumpkin ferment. The fresh-mix model addresses vitamin C's instability, but the price is hard to justify against SkinCeuticals CE Ferulic for essentially the same chemistry.

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SkinCeuticals
C E Ferulic
SerumLuxuryMorning only
Dark SpotsAgingDullnessprotectSensitive skinDamaged barrier

The reference-standard antioxidant serum — 15% L-ascorbic acid, 1% vitamin E, 0.5% ferulic acid at pH ≤3.5 (the original Duke patent). Demonstrably increases photoprotection when layered under SPF. Expensive, but what every other 'CEF dupe' is trying to be.

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The verdict

Which should you choose?

Both sit in the Luxury tier, so cost isn't the deciding factor here — choose on texture, finish and the supporting ingredients. These two are close on the measurable attributes we track — it comes down to texture and personal preference.

The overlap

What they share

At 99% active overlap, these are the ingredients doing comparable work in both formulas:

Ferulic AcidVitamin CVitamin E
The formulation

Ingredient stacks, side by side

Drunk Elephant — top of the list

  • Water~50–80%
  • Ethoxydiglycol~5–25%
  • Ascorbic Acid15%
  • Glycerin~2–6%
  • Propylene Glycol~1.5–4%

SkinCeuticals — top of the list

  • Aqua / Water~50–80%
  • Ethoxydiglycol~5–25%
  • L-Ascorbic Acid15%
  • Propylene Glycol~2–6%
  • Glycerin~1.5–4%
  • Laureth-23~1–2%
  • Tocopherol1%
  • Ferulic Acid0.5%

● marks ingredients that appear near the top of both lists. Percentages are positional estimates from INCI order, not disclosed doses.

At a glance

The specs

Drunk ElephantSkinCeuticals
CategorySerumSerum
Price tierLuxuryLuxury
Best forDark Spots, Aging, DullnessDark Spots, Aging, Dullness
Usage notesMorning onlyMorning only
Active overlap99% — Ferulic Acid, Vitamin C, Vitamin E
Questions

Common questions

Is the Drunk Elephant C-Firma Fresh Day Serum or the SkinCeuticals C E Ferulic better?
Neither is clearly better — they overlap 99% on active ingredients and sit in the same price tier. The difference comes down to texture, finish and the supporting ingredients, so the right choice depends on your skin type and preferences.
What's the difference between the Drunk Elephant C-Firma Fresh Day Serum and the SkinCeuticals C E Ferulic?
Both are serums that share Ferulic Acid, Vitamin C, Vitamin E. Where they differ: the formulations are close, differing mainly in texture and supporting ingredients.
Are the Drunk Elephant C-Firma Fresh Day Serum and SkinCeuticals C E Ferulic dupes for each other?
They share 99% active-ingredient overlap based on published INCI lists, so one can stand in for the other on the actives that matter — chiefly Ferulic Acid, Vitamin C, Vitamin E. A dupe matches the hero actives, not the full sensory experience, so expect differences in texture, fragrance and exact concentrations.
Can I use the Drunk Elephant C-Firma Fresh Day Serum and SkinCeuticals C E Ferulic together?
They both fill the serum slot in a routine, so you'd normally pick one rather than layer both. If you want to use both, treat one as your daytime option and the other for evening, and patch-test when introducing anything new.
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77% overlap

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