What is the main purpose of using a hair serum?

The primary purpose of using a hair serum is to smooth and add shine to hair. Hair serums are typically formulated with silicone-based ingredients that coat the hair shaft, providing a protective barrier against frizz and environmental damage, while also enhancing the overall appearance of the hair. By adding shine, serums can help create a sleek and polished look, making them beneficial for a variety of hair types, especially those that may be dry or damaged.

In addition to these primary benefits, some serums may offer additional properties, such as protection from UV rays or minimizing the effects of humidity, which can help maintain the smooth finish the serum provides. However, these secondary benefits do not overshadow the main purpose of enhancing shine and smoothing texture.

Other options, such as volumizing the hair or promoting hair growth, are not the central functions of hair serums. While there are specific products designed for volumizing or addressing hair growth, serums are predominantly used for improving surface quality and overall luster.