The one on the left is acrylic nails and the one on the right is gel nails.
Most Helpful Guy
I dont know about this stuff but from a male perspective id say the gels.0
Most Helpful Girl
When I got acrylic nails at the salon, it ruins your real nails! My nails were so flimsy and dry and my nails would brake so easily. But gel nails don't hurt your nails! It's just like nail polish but with gel topcoat!0