Paula's Choice C15 Super Booster 15% Vitamin C Serum dupe

Prequel Lucent-C Brightening Vitamin C Serum

−65%per oz

Paula's Choice · $44.25 $59Prequel · $22.99

Shared: L-ascorbic acid, Ferulic acid, Ergothioneine
The trade-off: Paula's Choice adds vitamin E, two peptides and hyaluronic acid, and Prequel adds niacinamide and inulin but no vitamin E.
Sizes: 20 ml against 30 ml

C15 Super Booster 15% Vitamin C Serum costs about $44.25 $59 for 20 ml ($65.43 / fl oz). The dupe below is Prequel Lucent-C Brightening Vitamin C Serum at $22.99, about 65% less per ounce. Each pair is compared on format, finish and key ingredients, including what the dupe doesn't do.

15% L-ascorbic acid serum with ferulic acid, vitamin E, ergothioneine and peptides, worn alone or mixed into a moisturizer. 0.67 fl oz.

Amazon prices as of Sep 28, 2026, 9:06 PM ET, subject to change: the price on Amazon at checkout is the one that applies.

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The dupe, side by side

The original

Paula's Choice

C15 Super Booster 15% Vitamin C Serum

$44.25 $59

$65.43 / fl oz

The dupe

Prequel

Lucent-C Brightening Vitamin C Serum

$22.99

$22.66 / fl oz

Cost per fl oz

Original$65.43 / fl oz

Dupe$22.66 / fl oz

$21.26 less at checkout than the original.

Key ingredients: Original · Paula's ChoiceL-ascorbic acid, Ferulic acid, Ergothioneine; Dupe · PrequelL-ascorbic acid, Ferulic acid, Ergothioneine

What matches

The same vitamin C recipe: 15% L-ascorbic acid in water with ethoxydiglycol, ferulic acid and ergothioneine, the antioxidant both brands say keeps the vitamin C working, plus mannitol.

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Questions

What is the best dupe for Paula's Choice C15 Super Booster 15% Vitamin C Serum?

Prequel Lucent-C Brightening Vitamin C Serum at about $22.99. The same vitamin C recipe: 15% L-ascorbic acid in water with ethoxydiglycol, ferulic acid and ergothioneine, the antioxidant both brands say keeps the vitamin C working, plus mannitol.

How much cheaper is Prequel Lucent-C Brightening Vitamin C Serum than C15 Super Booster 15% Vitamin C Serum?

C15 Super Booster 15% Vitamin C Serum costs about $44.25 for 20 ml, or $65.43 / fl oz. Prequel Lucent-C Brightening Vitamin C Serum works out at $22.66 / fl oz, roughly 65% less per ounce.

What does Prequel Lucent-C Brightening Vitamin C Serum do worse than C15 Super Booster 15% Vitamin C Serum?

Paula's Choice adds vitamin E, two peptides and hyaluronic acid, and Prequel adds niacinamide and inulin but no vitamin E.