Paula's Choice C15 Super Booster Dupes & Cheaper Alternatives
From 16 Reddit threads · Updated October 10, 2026
15% vitamin C serum with ferulic acid for brightening; can sting reactive skin. The catch: can trigger redness on reactive skin. Here's what Redditors reach for instead.
The short answer
Best Overall AlternativeClose CE Ferulic dupe · $25.16 · 30 ml
Best Cheaper Alternative23% L-ascorbic acid hits hard on brightness · $16.68 · 30 ml vs $44.25 for the original
#1
Best Overall Alternative
- Size: 30 ml
- Price per ml: $0.84/ml (original $2.23/ml)
The why
One minus
Can sting or burn on sensitive skin
Good forDry Skin
The original, at a glance
- Why people love it
- 15% vitamin C with ferulic acid
- Price
- $44.25 · 19.8 ml · $2.23/ml
#2
Best Cheaper Alternative
Vitamin C Suspension 23% + HA Spheres 2%
The Ordinary·Serum
See alternatives23% L-ascorbic acid hits hard on brightness
- Size: 30 ml
- Price per ml: $0.56/ml (original $2.23/ml)
The why
A gritty, high-strength vitamin C suspension with hyaluronic acid spheres and squalane, meant for people chasing brighter tone or faded spots. It can deliver quick glow, but the sting, burn, and weird texture rule out plenty of faces.
One minus
Stings, burns, and feels gritty on a lot of skin
Good forDry Skin
Other alternatives worth a look
Stable vitamin C that doesn’t sting easily · 42 mentions
Hyperpigmentation
10% C plus derivative, no low-pH sting · 21 mentions
Ascorbyl glucoside 15% brightening serum · 18 mentions
Brightening duo for dark marks · 9 mentions
Hyperpigmentation
Gentler vitamin C derivative for sensitive skin · 7 mentions
Oil control and pore shrinkage · 576 mentions
Combination SkinOily Skin
Watery, fast-absorbing centella · 533 mentions
Dry SkinCombination Skin
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