There are many skincare ingredients available now with numerous claims of efficacy. There are a few ingredients however that have been studied extensively for many years and have clearly demonstrated their skincare benefits. Niacinamide (also called nicotinamide or NAM), which is the physiologically active form of the essential vitamin niacin or vitamin B3, has been shown to effectively treat various dermatological conditions. This ingredient has been shown to have antioxidant…

Tretinoin is a vitamin-A derivative that has been available for many years. It is known for being able to treat a variety of skin conditions effectively and safely. Most frequently it is prescribed for acne but it may also be used to treat melasma, hyperpigmentation, sun spots, fine lines/wrinkles, and more. One of the more difficult-to-treat skin complaints – stretch marks – may also be helped with topically applied tretinoin…