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Clean-Up Vitamin C+ Serum
Clean-Up Vitamin C+ Serum

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Maison's Note · Why We Curated
An amber bottle is not decoration; Vitamin C degrades in light. We chose this one because the packaging respects the chemistry it contains.
Description
A concentrated antioxidant serum that revitalises tired skin and brightens a dull, uneven complexion. It delivers a stabilised vitamin C derivative for daily radiance.
Sodium Ascorbyl Phosphate and 3-O-Ethyl Ascorbic Acid brighten and even the tone, while idebenone (Hydroxydecyl Ubiquinone) reinforces antioxidant defence.
How to Use
Take an appropriate amount with a pipette, drop it on the forehead and both cheeks, and let it absorb with gentle patting.
Clinical Efficacy
Brightens dull skin and evens tone with stabilised vitamin C.
- Sodium Ascorbyl Phosphate: stabilised vitamin C that brightens
- 3-O-Ethyl Ascorbic Acid: vitamin C derivative that supports even tone
- Hydroxydecyl Ubiquinone (idebenone): antioxidant defence
- Niacinamide: supports a brighter, even complexion
Functional claims per the manufacturer or Korean MFDS classification, shown as brand-reported, not independent clinical trials.
Ingredients (INCI)
Shipping
Orders are dispatched within 1-2 business days.
Delivery to Switzerland: 1-2 business days once dispatched.
Free delivery over CHF 40. Otherwise from CHF 3.90, calculated at checkout.
Tracking is emailed the moment your order leaves us.
Returns
Our skincare is sealed for hygiene, so orders are final once dispatched.
- EU and United Kingdom: you may withdraw within 14 days of delivery, on unopened and sealed products only.
- Opened, used or unsealed products cannot be returned.
- Damaged or incorrect on arrival: write to info@maisondeporcelaine.com within 7 days with your order number and a photo. We replace or refund at no cost to you.
- Return postage is the customer's responsibility.

- Brightening
- Even Tone
- Antioxidant
Maison de Porcelaine
Innovation meets Precision
Each formula is read line by line by our team and measured against the five standards. Verified in Geneva.