As the nails age and are frequently used or painted, the nail plate can lose its natural resilience and tend to develop a yellow tint. Diamond Strengthener contains diamond core particles that strengthen the nails and make them harder again. And ensures that the nails return to a vibrant color. 
 ( click  here for full description ).
 
 Instruction: 
 Day 1: Apply 1 coat to clean, dry nails with the cuticles pushed back
 Day 2: Apply a 2nd coat.
 Day 3: Remove the 2 applied layers with PJR Care Polish remover and then repeat the treatment for a period of 2 weeks.