Ask a Dermatologist

Dr. Karen, FRCPC is a leading Canadian, dermatologist. She is Board certified in Canada as a Fellow of the Royal College of Physicians & Surgeons of Canada and in the United States as Diplomate of the American Board of Dermatology.

Dear Dr. Karen: I have so many blackheads on my nose and have tried different things to get rid of them, but nothing seems to work. It's like they don't want to come out! I've tried clay masks, charcoal masks, exfoliating scrubs, lemon juice and sea salt, products that say pore cleansing. Nothing is working! I even … Continue Reading ››
Dear Dr. Karen: My scalp is getting really scaly. Way beyond dandruff. I don't want to brush my hair at school because it is flaking like crazy. Is there a shampoo for this? Sincerely, Katie Dear Katie You may have an inflammatory condition of the scalp, such as seborrheic dermatitis or psoriasis … Continue Reading ››
Dear Dr. Karen: I have black color on my nose and now-days seen thick.I feel it is pigmentation.I consulted a cosmotologist and she suggested me peel or laser treatment.I am totally not aware of what to do. Can you please suggest me how to get rid of my problem Sincerely, tulasi Dear Tulasi Continue Reading ››
Dear Dr. Karen: What is the best cleanser to put on your face as a tween? Sincerely, GlitterCritters360 Hi GlitterCritters360 The type of cleanser you use depends on your skin type. If you have oily skin, and possible early signs of acne, a cleanser with AHA (alpha hydroxy acid), or BHA … Continue Reading ››