TRESemme Flawless Curls Mousse 15ozHydration is key. TRESemme Flawless Curls Moisturizing Mousse, the ideal curly hair treatment, quenches dry curls and provides strong hold and frizz control so that you can achieve glamorous curls and waves. This mousse is infused with coconut oil and avocado oil for hydrated and bouncy curls. Finding a balance between flexibility and control.