Fragrance Si Hair Mist perfume for Women by Giorgio Armani. What does Si Hair Mist smell like? Well it is an aroma highlighted by a bouquet of fragrant woody, fruity and green scented tones that will bring a fresh, stimulating and sensual perfumed sensation. Examining it closer once applied you will notice a lingering quality of softer fragranced citrus, sweet and floral hints that hide an essence of bright, natural and uplifting feelings.