42% offLa Roche-Posay Vitamin C12 Serum
- 12% pure vitamin C
- Salicylic acid and soothing
- Visibly boosts radiance

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15% vitamin C booster
A gentle, concentrated booster with 15% L-ascorbic acid, the pure form of vitamin C. Paula's Choice pairs it with ferulic acid and vitamin E to visibly brighten skin and help improve the look of uneven tone, texture, fine lines and firmness.
L-ascorbic acid is vitamin C in its active form, ready to work once absorbed, with no conversion needed. Here it helps skin look brighter from the first use and more even with daily use.
Ferulic acid and vitamin E help stabilize the vitamin C and add antioxidant support against the environmental stressors behind dark spots, discoloration and early signs of aging.
The serum absorbs fast without an oily residue and layers well under makeup. Use it on its own, or mix a few drops into a serum or a moisturizer without SPF.

How to apply
After cleansing and toning or exfoliating, smooth 2 to 3 drops over face and neck, morning, evening or both. In the morning, always finish with sunscreen; at night, follow with the rest of your routine.
Anything from clear to pale peach or amber is normal, and vitamin C may darken over time. Store it in a cool, dark place, away from heat, with the cap tightly closed.
Paula's Choice recommends using it within 3 months of opening for freshness. Writing the opening date on the bottom of the bottle helps you keep track.
Yes, and the brand recommends it. Apply the booster after cleansing, then finish with a moisturizer rated SPF 30 or higher. If you mix it into a moisturizer, pick one without SPF so you do not dilute your protection.
Yes. Paula's Choice suggests vitamin C in the morning and retinol at night, introducing both gradually.
Copper peptides, which can make pure vitamin C less effective. If you use both, apply one in the morning and the other at night. It pairs well with niacinamide, AHA, BHA and PHA.
No. It is free of fragrance, dyes, silicones and parabens, and it is vegan.
Paula's Choice made it gentle enough for twice-daily use and suitable for all skin types, including sensitive skin.
Opened skincare can't be resold, so it is returnable only if it arrived damaged or was the wrong item. Sealed and unopened, you have 30 days from delivery to start a return.
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