Sally Hansen prides itself on creating high standard nail treatments that offer ultimate protection and durability, their golden strength hardener & Cuticle eraser are high flyers & with a fabulous range of nail polish to choose from. They also make great birthday gifts. Official UK based online stockist. Selected EU countries also eligible for delivery from the UK. Buy online today. Get the nails you deserve without breaking the bank... Shade: Natural Tint. The Advanced Hard As Nails helps fortify fragile nails. It helps end splitting, cracking and peeling. Helps the nails feel harder, stronger instantly. Acts as a protective shield. Locks in the moisture, to help nourish the nails. Instructions: Apply 2-3 coats on bare nails.