Side-by-side comparison

Paula's Choice C15 Super Booster 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
Paula's Choice
C15 Super Booster
SerumPremiumMorning only
Dark SpotsAgingDullnessSensitive skinDamaged barrier

15% L-ascorbic acid with vitamin E and ferulic acid — the classic CE Ferulic-style antioxidant trio at a slightly lower price. Small bottle is deliberate: L-AA oxidises once air-exposed, so smaller packaging keeps potency up.

Full analysis →Find dupes →
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.

Full analysis →Find dupes →
The verdict

Which should you choose?

On price, the Paula's Choice C15 Super Booster sits in the Premium tier versus Luxury for the SkinCeuticals — so it's the more budget-led pick if the overlap is what you're after. The SkinCeuticals leans toward protect.

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

Paula's Choice — 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

Paula's ChoiceSkinCeuticals
CategorySerumSerum
Price tierPremiumLuxury
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 Paula's Choice C15 Super Booster or the SkinCeuticals C E Ferulic better?
Neither is universally better — they share 99% active-ingredient overlap, so for the actives that drive results they're close. The Paula's Choice C15 Super Booster is the more budget-friendly option, while the other may differ on texture, finish and supporting ingredients. Pick based on your skin's priorities rather than a single 'winner'.
What's the difference between the Paula's Choice C15 Super Booster and the SkinCeuticals C E Ferulic?
Both are serums that share Ferulic Acid, Vitamin C, Vitamin E. Where they differ: they sit in different price tiers (Premium vs Luxury); the SkinCeuticals targets protect.
Are the Paula's Choice C15 Super Booster 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 Paula's Choice C15 Super Booster 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.
Keep comparing

Related comparisons

Drunk Elephant C-Firma Fresh Day Serum vs Paula's Choice C15 Super Booster
99% overlapNaturium Vitamin C Complex Serum vs Paula's Choice C15 Super Booster
99% overlapNaturium Vitamin C Super Serum Plus vs Paula's Choice C15 Super Booster
99% overlapPaula's Choice C15 Super Booster vs Youth to the People 15% Vitamin C + Clear Skin Serum
99% overlapPaula's Choice C15 Super Booster vs Paula's Choice Resist Anti-Aging Serum (Super Antioxidant)
77% overlapPaula's Choice C15 Super Booster vs SkinCeuticals Phloretin CF
77% overlap

Want a deeper, personalised read? Drop both products into the live comparison tool for an ingredient-by-ingredient breakdown tuned to your skin profile.

Compare these yourself →