Clinique Happy Cologne for Men 3.4 fl. oz. What It Is Cool and crisp, with a hint of citrus, Clinique’s Happy for Men eau de toilette is a refreshing scent. What You Get 3.4 fl. oz. Clinique Happy Cologne for Men What It Does Team with Clinique Happy For Men and grooming favorites for longer-lasting scent. Wear it and be happy! How to Use Apply fragrance to pressure points, such as the inner wrist, behind the ears, or the inner elbow; or mist lightly all over the body.