Clinique iD Moisturizing BB-Gel is a base product where you have to buy the cartridge that suits your needs. The various cartridges can be found at links below. This BB gel itself is enriched with a Transforming Tint Release Technology that moisturizes the skin for up to 8 hours. In addition, it comes with discrete color pigments that naturally match your skin tone, providing a smoother and more uniform finish. The color in this one is universal and can be used for anyone from a very light skin tone and then to you with a medium tan. When you put your concentrate in, the skin care in the product comes into play.