OTC retinoids and prescription retinoids: what’s the difference?
In a word: purity. A concentrated form of vitamin A, retinoids increase cell turnover and boost collagen production, leaving skin radiant and smooth. Products you can find in beauty stores like Sephora or Space NK are over-the-counter (OTC), and will contain formulations like retinol and retinyl palmitate. These are not pure forms of retinoic acid—rather, they convert to retinoic acid once they’ve been absorbed by your skin. Read More >