1, photosensitive reaction
Essential oils such as citron essential oil and lemon essential oil all have the risk of causing photosensitive reaction, which is easy to burn the skin or produce spots.
2, allergic reaction
Some people have sensitive skin, and allergic reactions may occur when using essential oils, ranging from burning and swelling to acne.
3. Spasm
Essential oils such as lavender, rosemary, fennel, hyssop, camphor, sage, Ai Ju, spiced flowers, absinthe, etc. It may cause convulsions, so be careful when using it. .
4. Excessive carcinogenesis
Essential oil tastes good, and some women rarely rely on it, or even overuse it, which greatly increases the risk of cancer, so the use of essential oil must be moderate.