The harmful effects of deodorant are

Deodorant is a chemical substance applied to the body to avoid unpleasant odours. Deodorants also fall under a different category. As an illustration, consider an antiperspirant that stops sweating by inhibiting sweat glands.

Deodorants are used to mask body odour brought on by sweat and bacteria, whereas perfume gives your body a full aroma. This is the main distinction between the two products.
The private areas shouldn't be touched with deodorant. because they harm the area and generate complications as a result.
Deodorant side effects include:-
1. They can lead to illnesses like headaches, asthma, respiratory problems, and heart disease.
2. They also contribute to skin conditions like cancer.
3. It contributes to an important aspect of haze in the environment.
4. They are thought of as contaminants in the air.

Hence, the correct answer is option C.