Which conditioner does not need to be rinsed out?

A conditioner that you do not rinse out is also known as a leave-in conditioner. These special conditioners are designed to remain in the hair and provide extra care and protection throughout the day. They often contain lightweight moisturizing ingredients, such as glycerin or panthenol (vitamin B5), and sometimes natural oils like argan oil or coconut oil, which help make the hair soft and shiny without weighing it down.