Trends come and go, but healthy, glowing skin is one thing that will never go out of style. Humectants, for example, are a type of humectant that can help you reach this goal. A humectant is a moisturizing agent commonly found in hair and skincare products. Humectants are known for their capacity to retain moisture while maintaining the overall qualities of the product in question, and you’re probably more familiar with them than you realize. So, what precisely should you be aware of when it…