The correct answer is C. Oxybenzone

Correct Answer Explanation

Photoallergic contact dermatitis (PACD) to oxybenzone was reported for the first time in 1980. Oxybenzone is the most common photoallergen in the United States and Canada, and the fourth most common in Europe.

Incorrect Answer Explanation

None of the remaining agents is the most common sunscreen agent to cause photoallergic contact dermatitis.

References

• • PMID: 29655482