Hair mousse can provide several benefits for straight hair, including adding volume, lift, and hold to the hair. It can also help in defining the hair and providing style protection. When applied to wet or dry hair, mousse can give straight hair extra lift and help the style stay in place throughout the day. Additionally, mousse can protect the hair from heat damage caused by hot tools, such as blow dryers or flat irons. It is important to note that while mousse can enhance the natural texture of the hair, it does not add waves or curls to straight hair. Instead, it holds the natural curl pattern in place, making it more defined and long-lasting.
In summary, when used on straight hair, mousse can add volume, lift, and hold, as well as provide style protection and help maintain the desired style throughout the day.