Richard Troy

Medical Blogger committed to accuracy, I am passionate about delivering my readers critical insights into the medical field. Former paramedic, instructor and medical school student. You can read more about me in the dedicated section of the website.

What are Free radicals and how do they damage your skin?

February 6, 2021 / By Richard Troy / Dermatology, Skin, Skincare

Free radical is the common name of a large family of molecules known as Reactive Oxygen Species (ROS). These molecules are highly reactive, meaning they have the tendency to interact with other molecules around them such as cellular components, enzymes, proteins, lipids and genetic material; this interaction results in damage. Under normal conditions, there is […]

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Retinol and Tretinoin: skincare products with retinoids

January 31, 2021 / By Richard Troy / Cosmeceuticals, Cosmetic Dermatoloy, Skin, Skincare

Retinoids are a class of bioactive compounds, which derive from Vitamin A both naturally and synthetically*. Retinol, tretinoin and many other retinoids can be found in over the counter and in prescription products to treat acne and to fight and reverse the signs of aging. They are among the most studied cosmetic ingredients being first

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