After a facial, it’s extremely important to follow a few guidelines to make sure your skin is protected and looking the best it can! After your facial, our Dermalogica Certified Skin Therapists will give you a few suggestions to follow, but here are a few things you can expect to do once your facial is complete: Avoid major sun exposure and use sunblock. Avoid harsh skincare products. Drink plenty of water and stay hydrated. Avoid sweating a few hours after your facial treatment.