Mary Lucas, RNDoctorateDegreeAmerican Board of DermatologyBoard Certified DermatologistChief Medical OfficerDermatologist100A dermatologist is a doctor who specializes in conditions involving the skin, hair, and nails. A dermatologist can identify and treat more than 3,000 conditions. These conditions include eczema, psoriasis, and skin cancer, among many others.
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Mary Lucas, RN, MD

Mary is an accomplished emergency and trauma RN with more than 10 years of healthcare experience. As a data scientist with a Masters degree in Health Informatics and Data Analytics from Boston University, Mary uses healthcare data to inform individual and public health efforts.

Read more articles medically reviewed by Mary Lucas, RN


Tretinoin Cream Side Effects

Most tretinoin users experience little side effects, but that doesn't mean they don't exist. In fact, they're more prevalent than you think.

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The Tretinoin Acne "Purge"

Tretinoin is considered a gold standard in the treatment of acne. But we can't lie — the first few weeks of use can get pretty rough.

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How Long Does Tretinoin Take to Work?

While tretinoin produces anti-aging results in as little as 84 days, it’s even more effective as a long-term wrinkle and aging prevention treatment.

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