NIC Nail Technician Written ExamNail Technology ProceduresMedium

A technician is applying a full set of sculptured gel nails. After applying the first builder gel layer and curing it, they notice a sticky, uncured layer on the surface. What is this layer called, and what is its primary purpose?

  1. AContamination Layer; indicating incomplete curing due to improper lamp usage.
  2. BBonding Layer; to create a strong chemical bond with the natural nail.
  3. CInhibition Layer; to promote adhesion for subsequent gel layers.
  4. DDispersion Layer; to prevent over-curing and maintain flexibility.
Show answer & explanation

Correct answer: C. Inhibition Layer; to promote adhesion for subsequent gel layers.

The sticky, uncured layer on the surface of cured gel is called the inhibition layer. It is a normal byproduct of gel polymerization and is crucial for creating a strong bond between subsequent gel layers.

Why the other options are wrong

  • A. While incomplete curing can result in stickiness, this layer is a normal and intended part of the gel process, not necessarily contamination.
  • B. A bonding layer (or base coat) is applied first to the natural nail for adhesion, not typically a sticky layer on top of a builder gel.
  • D. The dispersion layer is another name for the inhibition layer, but its purpose is for adhesion, not to prevent over-curing.

Gel Inhibition Layer

The sticky, uncured surface layer that remains on a cured gel nail enhancement due to oxygen inhibiting the polymerization process on the very top surface.

  • Also known as the 'dispersion layer'
  • Normal byproduct of gel curing
  • Crucial for adhesion of subsequent gel layers
  • Can be removed with cleanser/alcohol after final cure if desired

Memory trick: The Inhibition layer Inhibits oxygen, allowing Inter-layer adhesion.

More Nail Technology Procedures questions