Pi Cologne by Givenchy, Released in 1999, Pi cologne is a complex fragrance created for romantic evenings and sensual moments.The top notes are playful and enticing. Citrusy lemon and mandarin play off of herbal basil and tarragon, and are joined by spicy galbanum, rosemary and pine. At the heart of the cologne are the heady and intoxicating scents of lily of the valley, neroli, aniseed, geranium and orange blossom.