Vitamin A is a ‘must have’ in your anti-aging skincare arsenal but there are a lot of different types and they aren’t all born equal. Dr Hannah Sweilam explains. There’s a lot of talk about vitamin A or retinoid creams in anti-aging these days and for good reasons. Retinoid creams are scientifically proven to reduce fine lines and wrinkles. But buyer beware, the retinoid family is a large one. It includes tretinoin (Retin-A), the prescription only version, and its over-the-counter-cousins, retinol (pure vitamin A) and retinyl palmitate, to name a few. And to complicate things further, they all vary in their effectiveness,…