Harvard and Yale educated board certified dermatologist What is coinsurance? If you have coinsurance, you may get a bill despite having health insurance. Read more. By Dr. Dina Strachan What is a deductible? Read this if you have insurance and are wondering why you still have a bill. By Dr. Dina Strachan What is a copay for health insurance? By Dr. Dina Strachan PrEP medication for HIV–has it made condoms irrelevant? By Dr. Dina Strachan The Black Owned Makeup Brands of The Black Beauty Effect The Black Beauty Effects celebrated black beauty and black-owned brand... By Dr. Dina Strachan A Copay Is Not a Tip It’s part of your share of the fee By Dr. Dina Strachan Not All “Scars” Are Scars By Dr. Dina Strachan Got Hair Loss? Sometimes Getting a Biopsy Will Give You the Answer By Dr. Dina Strachan 7 Ways to Make Best Use of Your Board-Certified Dermatologist By Dr. Dina Strachan