Which factor is least likely to contribute to nail lifting problems?

Nail lifting problems can occur due to a variety of factors, but the color of the nail itself is least likely to contribute to these issues. Nail lifting is primarily influenced by how the product adheres to the natural nail, and this adhesion can be affected by factors like application technique, product quality, and environmental conditions such as humidity.

Application technique plays a significant role. If the product is not applied correctly, it can lead to poor adhesion and subsequent lifting. Similarly, the quality of the products used impacts how well they bond to the nail. Low-quality products may not adhere properly, leading to lifting.

Humidity levels are also a crucial factor because excessive moisture can weaken the bond between the nail and the product. While different nail colors can influence aesthetics, they do not affect the technical aspects of adhesion and lifting. Therefore, although all the other options directly impact the likelihood of nail lifting, the color of the nails has no bearing on the adhesive qualities of the products used.