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The two are often believed to be interchangeable, but the main difference is that retinol is eventually converted into retinoic acid. Retinol is a natural form of vitamin A, while Retin-A is derived from retinoic acid, a synthetic derivative of vitamin A, and considered pharmaceutical.
Retinol is one of the most effective anti aging ingredients on the market today. Itâs a great treatment for fine lines and wrinkles, age spots and dull skin. Like most effective skin care ingredients, it also has drawbacks. Retinol side effects include irritation, redness, dry skin, peeling, and sun sensitivity. You can avoid or reduce these side effects by learning how to use retinol products correctly. Retinol is a form of Vitamin A called a retinoid. It is a small nutrient that easily penetrates the skin.