However, beware of the dangers of using a face cream containing synthetic ingredients. Many products you can find in your local stores are filled with these lab-created ingredients. For instance, parabens are common synthetic ingredients many skin care manufacturers use as preservatives. Peraglow Cream But parabens have been detected in breast tumors and are suspected of causing cancer. There are other common ingredients that are also suspected of causing cancer. If you're not careful, you'll end up with a cream containing these ingredients as well as low-quality moisturizing ingredients, which can actually promote aging. For example, mineral oil is a very commonly used substance for moisturizing. But compared to naturally derived emollients, it's low quality and very ineffective.