Constant problems with Gelish & customer service gone down hill!

I offer both shellac and Gelish. I have always preferred Gelish myself and most of my clients do until the last year or so!
I started withering out my shellac polishes, when they ran out not replacing them and only buying Gelish as this is what I was mainly using. The problem is a lot of the colours (new ones) are fading terribly for example I had a client in on Thursday had a light purple all over (will have to check the name in the morning) and by Friday sent me a photo they had all turns...

Constant problems with Gelish & customer service gone down hill!