Gel nail extensions isn't a new technique in manicures, but it's still pretty obscure.<br />According to Refinery29, it helps to know a bit about it before taking the plunge.<br />Like acrylic nails, gel extensions use hard gel or structure gel and are cured with a UV or LED light.<br />Hard gel is the toughest form of gel polish out there. It creates a sturdier, longer-lasting exterior.<br />When applied correctly, gel extensions should last between 2-4 weeks. <br />
