New never used. Revitalize and strengthen your hair with OLAPLEX No. 3 Hair Protector,Ideal for all hair types. 250 ml bottle. This is the large size and it is not sold on the OLAPLEX website.this is a high end great hair product KEY BENEFITS • Reverses damage and strengthens hair • Restores healthy appearance and texture Reduces future breakage DETAILS へ A powerful, clinically proven pre-shampoo treatment that leaves hair 3X stronger after just one use.* N°.3 is the complete bond builder to repair and strengthen hair at home by rebuilding all 3 hair bonds. Formulated for all hair types and all levels of hair health, this weekly treatment is key for your healthiest-looking N°.3 Hair Perfector™ can be used more thanonce a week if more repair is needed for damaged hair. WILL SLEEPING OVERNIGHT WITH N°3 HAIRPERFECTOR™ INCREASE THE BENEFITS? Leaving Nº.3 Hair Perfector™ in the hair for longer than the recommended time will not increase the benefits. You can achieve reparative benefits in as little as 3 minutes of leaving the treatment in the hair. The longest recommended usage time is 10 minutes, for maximum benefits. N°.3 Hair Perfector™ does NOT contain protein in its formula.