Can you use this everyday?

I recently bought the La Roche-Posay Effaclar Duo +m, thinking I could use it as a moisturizer everyday, but my sister told me it is more like a treatment and you should use it a couple of times a week, so idk. In the box says that you can use it everyday morning and night. Also I have the L'Oréal Glycolic Acid cream that also says that you can use it everyday but Im a bit worried that it might damage my skin barrier. Does anyone know an answer to this? Thank you!!