Dr. Asima Nasir, Medical Director at Orskin Aesthetic Clinic, shares her top summer skincare tips on this week’s episode of the Tell Me Why podcast.. Skin is the largest organ in your body and it reflects everything happening internally, says Dr. Asima Biggest mistake people make when it comes to skincare is not wearing sunscreen: Dr. Asima 50 SPF is the maximum protection a person needs, anything more than that is commercial, says Dr. Asima Stress has a huge impact on skin cancers: Dr. Asima