CK One (Eau de Toilette) by Calvin Klein is a unisex citrus-aromatic-musky fragrance released in 1994, opening with bergamot, lemon, mandarin orange, pineapple, papaya, cardamom, and green notes, leading to a floral heart of jasmine, violet, orris root, lily-of-the-valley, rose, freesia, and a warm base of musk, amber, cedar, oakmoss, sandalwood, and green tea; expect around 4–6 hours of longevity with Moderate sillage and Soft projection, ideal for teens through adults.