NIC Nail Technician Written ExamNail Technology ProceduresMedium
A client requests a full set of sculptured gel nails. After applying the first layer of builder gel and curing it, the technician notices a thin, tacky layer on the surface of the nail. What is this layer, and what is its purpose?
- AIt is an optional layer that can be removed for a smoother finish but serves no critical purpose.
- BIt is the inhibition layer, which is normal and helps subsequent gel layers adhere.
- CIt is a sign of product contamination and the entire application should be removed.
- DIt is uncured gel that indicates insufficient curing time and should be wiped off immediately.
Show answer & explanationAnswer & explanation
Correct answer: B. It is the inhibition layer, which is normal and helps subsequent gel layers adhere.
The tacky layer on cured gel is known as the inhibition layer (or dispersion layer). It's a normal byproduct of the curing process and is crucial for promoting adhesion between subsequent layers of gel. It should not be wiped off until after the final top coat has been applied and cured.
Why the other options are wrong
- A. The inhibition layer is critical for inter-layer adhesion and is not optional; removing it prematurely would compromise the enhancement's integrity.
- C. This tacky layer is a normal chemical reaction, not a sign of contamination.
- D. While insufficient curing can leave uncured gel, a tacky layer is a normal and intended part of the curing process for most gels, not necessarily a sign of insufficient curing.
Gel Inhibition Layer
A tacky, sticky residue that forms on the surface of cured UV/LED gel products, essential for promoting adhesion between subsequent layers of gel.
- Also known as the dispersion layer
- Normal byproduct of the curing process
- Should not be removed until the final step (after top coat)
Memory trick: The 'sticky inhibition' layer is the GEL's GLUE for more layers.