Why is Methyl Methacrylate damaging to natural nails?

• A. It is rigid and would not flex, causing tearing
• B. It dissolves quickly on contact with skin
• C. It causes instant nail growth
• D. It colors nails permanently

Answer: (D)

The idea being tested is the lasting effect MMA-based acrylics can have on the natural nail, specifically how color from these products can linger. Methyl methacrylate creates a very hard, dense film when cured. If the product is pigmented or tints the nail during application and removal, those colors can become trapped in the nail plate, leading to a lasting discoloration that’s hard to remove. That persistent color change is described as damaging to the natural nail, which is why this option is identified as the best answer. The other statements describe properties that aren’t the main reason MMA is seen as damaging: its rigidity can contribute to lifting or tearing, but not to color staining; it doesn’t dissolve on skin in the way a solvent would; it doesn’t cause instant nail growth; and coloring nails permanently is the option that best captures a lasting, visible change to the nail.