Look for the content. Usually they mention the purpose of the mask. You should use moisturizing one only while on retinol preparation. You can use the mask once or twice a week. Be cautious during first application. Keep the mask on for shorter period than mentioned on the package during first application. If you experience mild redness or itching/irritation you should discontinue the use of the mask.

Make sure it's not causing irritation... for detailed information do direct online consultation