Side-by-side comparison

SkinCeuticals C E Ferulic vs SkinCeuticals Phloretin CF

Both are serums. They share a 77% active-ingredient overlap, so the real decision is about price, texture and the supporting ingredients. Here's the side-by-side.

77%Active overlap
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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SkinCeuticals
Phloretin CF
SerumLuxuryMorning only
Photoaging PreventionDark SpotsDullness

A daytime antioxidant serum with 10% vitamin C, phloretin and ferulic acid, the oily/combination-skin sibling to C E Ferulic. Strong environmental defence and tone support; a luxury-priced clinical antioxidant.

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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. The SkinCeuticals leans toward Aging, protect. The SkinCeuticals leans toward Photoaging Prevention.

The overlap

What they share

At 77% active overlap, these are the ingredients doing comparable work in both formulas:

Ferulic AcidVitamin C
The formulation

Ingredient stacks, side by side

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%

SkinCeuticals — top of the list

  • Aqua~50–80%
  • Ascorbic Acid~5–25%
  • Propylene Glycol~3–10%
  • Phloretin~2–6%
  • Ferulic Acid~1.5–4%

● 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

SkinCeuticalsSkinCeuticals
CategorySerumSerum
Price tierLuxuryLuxury
Best forDark Spots, Aging, DullnessPhotoaging Prevention, Dark Spots, Dullness
Usage notesMorning onlyMorning only
Active overlap77% — Ferulic Acid, Vitamin C
Questions

Common questions

Is the SkinCeuticals C E Ferulic or the SkinCeuticals Phloretin CF better?
Neither is clearly better — they overlap 77% 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 SkinCeuticals C E Ferulic and the SkinCeuticals Phloretin CF?
Both are serums that share Ferulic Acid, Vitamin C. Where they differ: the SkinCeuticals targets Aging, protect; the SkinCeuticals targets Photoaging Prevention.
Are the SkinCeuticals C E Ferulic and SkinCeuticals Phloretin CF dupes for each other?
They share 77% 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. A dupe matches the hero actives, not the full sensory experience, so expect differences in texture, fragrance and exact concentrations.
Can I use the SkinCeuticals C E Ferulic and SkinCeuticals Phloretin CF 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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