Definition: A type of perfume consisting of 2-5% essential oils, 70-90 % alcohol and water.

Alright class, settle down now, let’s take a look! Today we’re tackling ‘cologne,’ a word that sounds so grand, But let's break it down with understanding at hand. The dictionary tells us, clear and bright, It’s more than just a scent, a fragrant delight! Think of it like this, a careful blend, you see, Of ingredients combined for all to agree: “A type of perfume…” that's the starting plea, With essential oils – just two to five, you agree? These oils are natural, lovely and true, Giving the cologne its scent, fresh and new! Then comes the alcohol, a clever trick, Seventy to ninety percent, quick, quick, quick! It helps the scent spread, light and free, Across your skin for all to see. And last but not least, water’s gentle flow, Making the mixture smooth, you know? So there you have it, a fragrant decree, Cologne's a blend of oils, alcohol, and glee! Do you understand now, my dear students bright? Any questions popping up with all your might?