Length begins with strength. The stronger your hair is, the longer it can be, says Valery Joseph of his strength-building styling line. Amplify the volume of your tresses with this thickening mousse. Work the light and fluffy whip formula through towel-dried hair for fuller body. Style as normal and finish with the brand's hairspray for long-lasting hold. As seen in THE EDIT magazine -Instructions for use: - Work a plum-sized amount through towel-dried hair and style as desired - 170g/ 6oz.