hi im lisa, and u seem to know alot about nails, i need ur help if u dont mind...i have been having a problem with nails turning yellow with gel products. i use IBD and had never really had a problem until recently, i noticed abt 3 clients with really yellow nails, what gel wld u recommend? one client says she tans but has used gel before n her nails would never get yellow, i also tried pro-tec by le chat. any suggestions..pls help!