Based on the reviews, some users have reported positive experiences using the CELLMAZING Pore Perfecting Ampoule in conjunction with retinol. One reviewer mentioned that they alternate between a retinol routine and a collagen routine, finding the collagen days to be particularly beneficial for their skin. They detailed their retinol routine as follows: - Toner - Hyaluronic Acid Ampoule - Retinol Face Mask - Oil and Moisture Balance Cream And their collagen routine included: - Toner - Hyaluronic Acid Ampoule - Torriden Collagen Ampoule - Oil and Moisture Balance Cream This suggests that the ampoule can be compatible with retinol, but it's important to consider individual skin reactions and consult with a dermatologist if necessary.

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