Indiana PSI Nail Technician Practice Test

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What is the primary function of a primer product in nail application?

Bonds to the nail protein
Can be used on skin
Creates inhibition layer
Requires minimal filing

The correct answer is: Bonds to the nail protein

The primary function of a primer product in nail application is to bond to the nail protein. This bonding action is crucial because it significantly enhances the adhesion of nail enhancements, such as acrylics or gels, to the natural nail plate. By creating a strong bond, the primer helps to prevent lifting and ensures that the nail enhancement lasts longer without separation from the natural nail. A primer typically contains specific ingredients that allow it to attach securely to the keratin proteins in the natural nail. This secure attachment is essential for achieving a durable manicure and prevents issues like chipping or peeling that can occur if the nail enhancement is not properly adhered. While some other options might relate to the application process or maintenance of the nails, they do not correctly represent the primary purpose of primer. For example, while a primer is designed for nails rather than skin, it is not intended to create an inhibition layer, as that refers to a different product more commonly found in gel applications. Similarly, the statement about requiring minimal filing is not pertinent to the fundamental role of the primer in enhancing adhesion.