Aloe vera-what are the effects of it? It is recommended not to smear aloe vera gel on the face overnight. Easy to rub on the sheetsAloe gel is rich in colloids, which have strong adhesive properties. It is easy to rub aloe gel on quilts and sheets when you smear aloe gel on your face at night. Not good for skin careMoreover, gelatine is easy to adhere to bacteria and microorganisms, and applying aloe vera gel on your face before bed will increase the chances of facial allergies or mites.