Which chemical is often avoided in nail polish for its potential health risks?

Formaldehyde is often avoided in nail polish due to its potential health risks, which have led to increased scrutiny and regulation. This chemical is recognized as a carcinogen, meaning it has been linked to cancer development in humans. Additionally, formaldehyde can cause skin irritation, allergic reactions, and respiratory issues when inhaled, particularly in poorly ventilated environments.

Given these health concerns, many manufacturers have chosen to formulate their nail care products without formaldehyde or have significantly reduced its concentration. This has resulted in a greater demand for "formaldehyde-free" labels on nail products, as both consumers and regulatory agencies seek to minimize health risks associated with prolonged exposure to harmful chemicals in cosmetics. Consequently, the awareness of formaldehyde's adverse effects has shaped the industry's approach to ingredient selection in nail products.