I'm not sure about percentage of the retinol in this serum but it's not irritating at all. I'm so happy that Cos De BAHA Bagan to produce skincare with single key ingredients such as retinol, azelaic acid, etc. I will continue to use this serum in autumn and winter.
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Posted by elacampusan37705
Date 2021-10-25 12:17:58
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