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Refining face vitamines that can be mixed directly with your moisturiser, serum or SPF to help reverse fine lines, smooth, brighten, tighten and even out the complexion. This effective formula heals scars, acne and helps rosacea. It stimulates the production of elastin and hyaluronic acid to restore suppleness.


What it is
Agent Nateur The C Duo Calcium & Vitamin C works in conjuction with your moisturiser, serum and SPF to smooth, brighten and tighten the complexion. The formula works to stimulate the production of elastin and hyaluronic acid and restores suppleness whilst scientifically reversing skin fatigue and sagging. Also prevents sunburn and fades discolouration.

- Refining face vitamines that helps to smooth, brighten and tighten the complexion
- Can be mixed directly with moisturiser, serum and SPF
- Helps to heal scars, acne and rosacea
- Stimulates the production of elastin and hyaluronic acid to restore suppleness
- Reverses skin fatigue and sagging whilst helping to prevent sunburn and discolouration
- Leaves skin feeling smoothed, restored and tightened

How to Use
On clean skin in the morning, mix a dash of Agent Nateur The C Duo Calcium & Vitamin C with 3 spritzes of Holi (Water) or filtered water. Pat onto the face, neck and décolleté and follow with the Holi (Oil), sunscreen, or a moisturizer.



UK Standard: £3.95
FREE for orders over £25
Fully tracked with SMS/email updates. Usually 2 - 4 working days to any UK address including Channel Islands and Isle of Man. Allow up to 7 working days for delivery.

UK Next Day: £6.95
Fully tracked with 2 hour ETA and SMS/email updates. Delivery the following working day for orders placed before 1pm any working day. UK Islands, Highlands and remote areas may require 2 working days.

Europe: £3.95
FREE for orders over £25
Fully tracked for orders over £100. Usually 4-9 working days. Allow up to 14 working days for delivery.

International: £3.95
FREE for orders over £25
Standard delivery only. Usually 7-14 working days. Allow up to 21 working days for delivery. Customs duties and local sales taxes are the sole responsibility of the customer.

See full delivery terms »



Every effort is made to provide you with accurate ingredients however, the product manufacturer may change ingredients without our knowledge. Always read the ingredient label on the actual package before using this product. If you have severe sensitivities or allergies, always contact the manufacturer directly to confirm the latest ingredients. We cannot be held responsible for the accuracy of ingredient or nutritional information we provide nor liable for any adverse reactions caused by the products we sell. We are constantly in the process of updating ingredient information. If you have any queries relating to any ingredients, please Contact Us and we'll be happy to help.

Sodium Ascorbyl Phosphate (non-GMO), French Patented Calcium Ketogluconate (derived from vegetables, ECOCERT approved).


Agent Nateur The C Duo Calcium & Vitamin C:

- Formula: 100% natural. Vegan. Free from aluminum, sulfates, petroleum, parabens, phthalates and GMOs.

- Origin: Made in the USA.

- Packaging: Glass bottle in recyclable cardboard box.

- Shelf Life: Use within 12 months from opening.

- Animal Rights: Not tested on animals. Cruelty free.

Agent Nateur - Discover the Brand »

Agent Nateur have a simply philosophy: create chic, effective and anti-ageing natural beauty products with healthy, organic ingredients that are good enough to eat. Their formulas are handmade by founder Jena Covello in France and Los Angeles and contain antioxidants that are both healing and nourishing. Each product that she releases is something she originally made for herself out of necessity after learning about the harmful effects of ingredients used in other products. The vision of Agent Nateur is to change the way the world views luxury cosmetics.


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