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C&E Advanced Antioxidant Treatment vitamin C serum by PCA Skin
PCA Skin

C&E Advanced Antioxidant Treatment

$193.00 CAD
Sale price  $193.00 CAD Regular price 

Frequently asked questions

How soon will I see fading of dark spots?

Most people notice visible brightening within 4-6 weeks of consistent daily use, with continued improvement over 8-12 weeks.

Can I use this together with a retinol at night?

Yes — this is formulated for morning use only, so it naturally pairs with a nighttime retinol without any overlap or increased irritation risk.

Why does this cost more than other vitamin C serums?

The therapeutic 20% concentration and anhydrous, silicone-based delivery system are more costly to formulate than water-based vitamin C serums, but they keep the vitamin C stable and effective until the moment of use.

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