Curl-protecting and texture-enhancing travel duo for wavy and curly hair Designed to enhance natural texture for curly and wavy hair, this duo pairs a lightweight leave-in primer with heat protection - which act as a barrier against humidity -  and a curl-defining serum that control frizz bringing out soft, bouncy curls and waves. Whether air-dried or styled with a diffuser, this trial bundle helps create shape, control, and lasting movement, in a convenient, travel-friendly size.