Raspberry Flavored Hair Vinegar & Tonic Would you like your hair to be shiny and soft - but also free of shedding and frizz? Discover Luis Bien Raspberry Flavored Hair Tonic. Hair tonic nourishes and repairs the hair roots and scalp. Thanks to its special formula, it helps hair achieve a vibrant and shiny appearance. It helps prevent frizz while making your hair soft and silky. It prevents hair from breaking and falling out by making it easier to comb after showering. Apply to your wet hair after shampooing and rinsing your hair in the shower. Gently massage it into your scalp. After applying from root to tip, you can wait a few minutes and rinse.