Question 1

Why is methyl methacrylate (MMA) monomer banned for nail use, and what is the approved alternative?

Accepted Answer

MMA is banned because it bonds too rigidly to the nail plate, causing severe nail bed damage or avulsion when the enhancement is hit or pried off; ethyl methacrylate (EMA) is the safe and legal approved alternative.

Question 2

What chemical reaction occurs when acrylic liquid monomer and powder polymer are combined during a nail enhancement service?

Accepted Answer

The liquid monomer and powder polymer undergo polymerization, an exothermic chemical reaction that generates heat as the monomer molecules cross-link with polymer chains to form a hard acrylic nail enhancement.

Question 3

What is the correct bead consistency for applying acrylic product to a nail enhancement, and why does it matter?

Accepted Answer

A medium-wet bead consistency at roughly a 1.5:1 liquid-to-powder ratio is correct; too dry a bead sets too quickly and traps air bubbles, while too wet a bead remains flexible, takes too long to cure, and can lift or crack prematurely.

Question 4

A client asks to have her acrylic enhancements removed. What is the correct removal method, and what must you avoid?

Accepted Answer

The correct method is soaking the nails in pure acetone for 15–20 minutes to dissolve the acrylic; you must never pry or force the enhancement off mechanically, as this strips layers of the nail plate and can cause permanent nail bed damage.

Question 5

What is the difference between a hard gel and a soft gel nail enhancement, and how does removal differ between the two?

Accepted Answer

Hard gel cannot be dissolved by acetone and must be filed off with an e-file or hand file; soft gel (soak-off gel) contains a more open polymer structure that acetone can penetrate, allowing removal with an acetone wrap in 10–15 minutes.

Nail Enhancement Services – Nail Tech License Exam

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