"When should i upgrade from the 10% niacinamide serum to the 20% one?" If you've been using our 10 serum and have seen some mild improvement without irritation and you want to take it to the next level, maybe its time to upgrade to the 20% šŸ’œšŸ‘€ āš ļø We recommend doing a patch test before committing to the switch to prevent unwanted irritation or adverse reactions.

Channel/Medium:
Instagram
onMay 29, 2025
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Carbon Theory - GB

carbontheory.com

"When should i upgrade from the 10% niacinamide serum to the 20% one
May 29, 2025, 3:30 PM

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