Airy and weightless, SACHAJUAN Hair Mousse keeps your style in place while adding incredible boost to fine and flat hair. With a non-sticky formula and impressive yet flexible hold, it provides astounding volume, body, and shine while maintaining the look of curls, blowouts, and beach waves.. Ocean Silk Technology repairs and strengthens the hair while taming frizz. Paraben free. Ideal for flat, fine, and difficult-to-style hair. 6.8 oz. Shake well, then dispense into palm and work through towel-dried hair; style as usual. SAHR-WU14. 108.