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Quantity
1
Description
Agent Nateur's holi (c) The C Duo Calcium & Vitamin C is a topical anti-aging powder that can be mixed directly with your moisturizer, serum or SPF, and equal parts water. Made from non-GMO vitamins that help with the appearance of fine...
Reviews
5.0
14 ratings
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Vitamin C in a bottle!
I use this daily and mix it with the accompanying essence. It is gentle and effective for me to use every day. It mixes beautifully, not gritty at all. I am noticing a distinct difference already in my skin's tone and brightness.
R
Robyn · July 28, 2026
I love Agent
I love this vitamin c and the whole set with the oil and the water! The best for my skin!