Who shouldn't use essential oils?

• A. Kids under 3
• B. Pregnant/breastfeeding
• C. Elderly
• D. All of the above

Answer: (D)

Essential oils are highly concentrated substances, and certain populations are particularly vulnerable to adverse effects. Young children under three have developing airways and more sensitive skin, so exposure—whether by direct topical use, strong inhalation, or accidental ingestion—can lead to irritation, respiratory symptoms, or poisoning. Pregnant or breastfeeding individuals may face risks too: some oils can affect uterine activity or pass into breast milk, and safety data are often limited, so avoidance or cautious use under medical guidance is wise. Elderly people frequently have thinner skin, multiple medications, and altered metabolism, increasing the chances of skin irritation, drug interactions, dizziness, or confusion. Because these risks span all the groups mentioned, the safest conclusion is that all of the above should avoid or use essential oils only with professional supervision.