Element:
Perfume: Usually contains a high concentration of fragrance oils (fragrance), alcohol and a small amount of water. The fragrance concentration of perfume is generally between 15% and 40%.
Aromatherapy spray: Usually composed of essential oils, water and a small amount of alcohol, the fragrance concentration is low, usually between 1% and 5%. Mainly used to freshen the air or create an atmosphere.

Purpose of use:
Perfume: Fragrance intended primarily for use on an individual's body, designed to increase personal charm and pleasant atmosphere.
Aromatherapy spray: A fragrance mainly used for the environment, often used to freshen the air, eliminate odors, or create a specific atmosphere.

Volatility:
Perfume: Long lasting, usually lasting from a few hours to a day.
Aromatherapy spray: evaporates quickly and generally lasts for a short time, usually ranging from a few minutes to a few hours.

How to use:
Perfume: Usually sprayed on the skin, especially on pulse points such as wrists, behind ears, etc.
Aromatherapy spray: can be sprayed in the air, furniture, fabrics, etc.

In summary, perfumes focus more on personal fragrance, while aromatherapy sprays are more used to create an aromatic environment.