calgel french going dirty looking

[poppygirl2305]

hi i have been doing french with calgel but it seams to be getting dirty is it ok to use ibd gel top coat or creative gel top coat ?will this last
can anyone give me any tips please cheers lisa

 

[beautynails]

http://www.salongeek.com/nail-geek/50080-why-calgel-french-going-grey.html

File-off gel glosses are harder then Calgel & will crack if used over the top of them. The link above should give you some insight into whats happening.