Yes, it is true that mousse is better for sculpting and volume while gel is better for hold and frizz. But when it comes down to using mousse or gel for curly hair, neither is good option if you glob it on your hair.Between gel and mousse, gel works harder in keeping hair in place. ... Light hold tames down frizz while strong hold gives hair stiffness. Gel is better for working on certain hairstyles than mousse. For example, if you want to rock a Mohawk, you reach for a bottle of hair gel and hold the mousse...