Bozlin Hard Gel Is A Versatile Product For Physical Strengthening And/Or For Slight Extensions Of Up To 2cm. Hard Gel Is Ideal For: Reinforcing Nails And Filling Uneven Nail Surfaces. Avoiding Nail Chipping. Short Extensions With BOZLIN Nail Form. Protecting Nails When Using/Removing Extensions Without Causing Harm. *Hard Gel Will Be Sticky After Curing So It Is Important That You Apply A Top Coat To Finish Your Routine. Overall Hard Gel Is Very Helpful And Provides The Needed Nail Protection For All Types And Shapes Of Nails.