- Question: Good morning, Can I use this product at night UNDER my Sisley Collegen night cream?
Thank you for reaching out to us. In answer to your question,unfortunetly we do not carry that brand and I`m not familiar with the ingredients in the product, if this moisturizer does not have Retinol or Glycolic ,or any active ingredient other then just hydration then I would say yes. You just would not want to layer active ingredients with the Glycolic 10 Renew as this might be too much for your skin.
I hope this helps, have a nice day !