The world's best-selling unisex fragrance, a favorite among young people! Young, fresh, and timeless. tempo, CK One is una A unisex fragrance designed for everyday use. An exquisite balance of freshness, dynamism, and personality, perfect for any season. This is una A dynamic and youthful fragrance that adds a slightly casual touch of freshness to your lifestyle. A subtle, captivating, and fresh scent for day and night! | A fashion icon in the world of perfumery, created by the successful Spanish perfumer. Alberto Morillas and French perfumer Harrand Fremont - still the market leader worldwide 20 years later.