Okay kiddo, so do you know how some things smell really good like flowers, fruits, or even cookies baking in the oven? Well, fragrance oil is kind of like magic liquid that helps make things smell like that even when they're not actually there!
Fragrance oils are made in special factories and they come in different scents just like how you can pick out different toys at the store. When someone wants to add a nice smell to something, like making a candle, soap, or lotion, they add a little bit of this magic fragrance oil to it.
It's kind of like cooking, when you want to make something taste really yummy, you add some spices or seasoning to it. Adding a little bit of fragrance oil is like adding a yummy spice that makes things smell amazing!
But it's important to remember that too much fragrance oil can be too strong and not good for our noses. So people have to be careful to only use a little bit to make things smell just right.
So overall, fragrance oil is like magic potion that makes things smell super good and it's used to make things like candles, soaps, and lotions yummy smelling just like how we add seasoning to make our food yummy!