What is the primary purpose of a base coat in nail services?

The primary purpose of a base coat in nail services is to protect the nail plate from staining. When colored nail polishes are applied directly onto the nail, there is a risk that the pigments can stain the natural nail, leading to discoloration over time. The base coat acts as a barrier between the nail and the polish, helping to prevent this staining while also promoting better adherence of the nail color. Additionally, some base coats may contain ingredients that can strengthen the nails or provide hydration, but their main function remains protective. This is essential for maintaining the health and appearance of the nails, especially for clients who frequently use colored polishes.