Alfaparf Semi Di Lino Blonde Anti-Yellow Spray is a lightweight. leave-in treatment for blonde or silver hair designed to neutralise unwanted yellow tones in highlighted. blonde. or silver hair. Perfect for balayage. this professional blonde hair treatment spray enhances cool tones while detangling and softening hair without weighing it down. With its blue-violet pigment technology. it provides instant toning and moisture. leaving hair looking fresh and luminous.