Side-by-side comparison

Paula's Choice C15 Super Booster vs The Ordinary Ascorbic Acid 8% + Alpha Arbutin 2%

Both are serums built on the same key active: Vitamin C. That makes them genuine alternatives, so price, texture and the supporting ingredients decide it.

1Shared hero active

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 →

The Ordinary

Ascorbic Acid 8% + Alpha Arbutin 2%

SerumBudgetMorning only

Dark SpotsDullnessSensitive skinDamaged barrier

Water-based vitamin C at a tolerable 8%, paired with alpha arbutin for pigmentation. Gentler than pure 20% L-ascorbic acid suspensions — a sensible first vitamin C for most skin types. Expect a mild tingle; discontinue if it stings.

Full analysis →Find dupes →

The verdict

Which should you choose?

Both formulas lean on Vitamin C, so for the ingredient doing the work they're close alternatives. Paula's Choice C15 Super Booster is the better fit for signs of aging. On price, The Ordinary Ascorbic Acid 8% + Alpha Arbutin 2% is the less expensive option (Budget versus Premium).

The overlap

What they share

This hero active appears in both formulas:

Vitamin C

The formulation

Ingredient stacks, side by side

Paula's Choice C15 Super Booster — top of the list

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

The Ordinary Ascorbic Acid 8% + Alpha Arbutin 2% — top of the list

Aqua (Water)~50–80%
Ascorbic Acid8%
Propylene Glycol~3–10%
Glycerin~2–6%
Alpha-Arbutin2%

● 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 Choice C15 Super Booster	The Ordinary Ascorbic Acid 8% + Alpha Arbutin 2%
Category	Serum	Serum
Price tier	Premium	Budget
Best for	Dark Spots, Aging, Dullness	Dark Spots, Dullness
Usage notes	Morning only	Morning only
Shared hero actives	Vitamin C

Questions

Common questions

Is the Paula's Choice C15 Super Booster or The Ordinary Ascorbic Acid 8% + Alpha Arbutin 2% better?

Neither is clearly better on ingredients, since both rely on Vitamin C. Choose on price, texture and how your skin responds to the rest of the formula.

What's the difference between the Paula's Choice C15 Super Booster and The Ordinary Ascorbic Acid 8% + Alpha Arbutin 2%?

Paula's Choice C15 Super Booster's hero actives are Vitamin C, Vitamin E and Ferulic Acid. The Ordinary Ascorbic Acid 8% + Alpha Arbutin 2%'s are Vitamin C. They also sit in different price tiers (Premium versus Budget).

Are the Paula's Choice C15 Super Booster and The Ordinary Ascorbic Acid 8% + Alpha Arbutin 2% dupes for each other?

Yes, on the ingredient that matters. Both are built around Vitamin C, though concentrations, texture and the supporting ingredients can still differ.

Can I use the Paula's Choice C15 Super Booster and The Ordinary Ascorbic Acid 8% + Alpha Arbutin 2% together?

Usually, yes. Apply the thinner texture first, then the thicker one, and patch-test when introducing anything new.

Keep comparing

Related comparisons

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 →