Side-by-side comparison

Paula's Choice C15 Super Booster vs Paula's Choice Resist Anti-Aging Serum (Super Antioxidant)

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
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.

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Paula's Choice
Resist Anti-Aging Serum (Super Antioxidant)
SerumPremiumMorning or evening
Photoaging PreventionDullnessFine Lines

An antioxidant-rich serum combining vitamin C, vitamin E, ferulic-type antioxidants and ubiquinone with peptides. A well-formulated daytime defence serum; pricier than entry options but stacked with stable antioxidants.

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The verdict

Which should you choose?

Both sit in the Premium tier, so cost isn't the deciding factor here — choose on texture, finish and the supporting ingredients. On how you'd use them, the Paula's Choice is flagged Morning only while the Paula's Choice is flagged Morning or evening. The Paula's Choice leans toward Aging, Dark Spots. The Paula's Choice leans toward Fine Lines, Photoaging Prevention.

The overlap

What they share

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

Vitamin 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%

Paula's Choice — top of the list

  • Aqua~50–80%
  • Glycerin~5–25%
  • Ascorbyl Glucos…~3–10%
  • Dimethicone~2–6%
  • Tocopherol~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

Paula's ChoicePaula's Choice
CategorySerumSerum
Price tierPremiumPremium
Best forDark Spots, Aging, DullnessPhotoaging Prevention, Dullness, Fine Lines
Usage notesMorning onlyMorning or evening
Active overlap77% — Vitamin C, Vitamin E
Questions

Common questions

Is the Paula's Choice C15 Super Booster or the Paula's Choice Resist Anti-Aging Serum (Super Antioxidant) 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 Paula's Choice C15 Super Booster and the Paula's Choice Resist Anti-Aging Serum (Super Antioxidant)?
Both are serums that share Vitamin C, Vitamin E. Where they differ: the Paula's Choice is Morning only; the Paula's Choice is Morning or evening; the Paula's Choice targets Aging, Dark Spots; the Paula's Choice targets Fine Lines, Photoaging Prevention.
Are the Paula's Choice C15 Super Booster and Paula's Choice Resist Anti-Aging Serum (Super Antioxidant) 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 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 Paula's Choice Resist Anti-Aging Serum (Super Antioxidant) 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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