Clean performance. Schwarzkopf Professional BC Bonacure Volume Boost Jelly Conditioner for fine hair. BC Clean Volume Boost Jelly Conditioner is a lightweight, jelly-texture conditioner, specially formulated for use on fine hair, promoting improved volume. This weightless formula penetrates each hair, improving the inner hair strength for thicker, fuller looking hair. The conditioner helps to prevent static for improved manageability with few fly aways. Hair is full of life with an enhanced shine. Vegan-friendly.