In 1760, Maria Gunning, the Countess of Coventry, tragically died from complications related to lead poisoning, a consequence of using lead-based cosmetics. Her death highlighted the dangers of toxic beauty products prevalent in the 18th century. This incident raised awareness about health risks associated with cosmetics, influencing later regulations and the development of safer beauty products.

The death of the Countess of Coventry from lead poisoning in 1760 became a cautionary tale in 18th-century poetry and essays, reflecting on vanity and societal pressures. Poets used her story to critique the dangers of beauty standards and the consequences of excess.