They have long been one of the most popular types of nail enhancements.

“Acrylic nails are a combination of liquid monomer and acrylic powder (polymer),” she explains.

Likepolygel nails, acrylic nails are sculpted onto the nail with a form, Denney says.

A hand with a French manicure on square acrylic nails

@nailtherapy.co/ Instagram

As for how acrylic nails come to life,Bellacuresnail artist Hayley Dang let us in on the process.

Square nails can be any length, ranging fromshortto super long tips.

According to Dang, theyre really the easiest acrylic nail shape to achieve since most tips are squared.

’50s starburst multicolor square manicure

@nataliepnails

Because of this, they’re one of, if not the most popular acrylic nail shapes.

Stiletto Nails

@angelsnailz

Stiletto nails feature straight sides that come together into a sharp point.

They work so well with acrylics because it’s often difficult to achieve the shape naturally.

Multicolor stiletto nails with gemstone and chain accents

@angelsnailz

Strong, sharp points aren’t the only thing stiletto nails have going for them.

They are not as boxy in form, she points out.

Still, almond nails require some length, so they’re a great acrylic shape candidate.

Multicolor galactic coffin nails

@nataliepnails

Round Nails

@julieknailsnyc

Round nails are a bit of an outlier in the world of acrylics.

Truthfully, acrylic nail shapes can’t be ranked, as their popularity depends on personal preference.

But, there are instances when one shape is more on trend than another.

Colorful animal print almond-shaped nails

@angelsnailz

“It just depends on the individual’s personal preference and style.”

Round sheer natural-looking nails

@julieknailsnyc