How do you darken a permanent cosmetic lip colour if its too dark?

If an implanted lip colour is too dark, which colour will help lighten it during the retouch appointment?How do you darken a permanent cosmetic lip colour if its too dark?
Ask them to show you a pamphlet of the colours. If it's not that much darker than what you want, just get a colour or two lighter, but if it's way to dark, than pick the exact lip colour you want and go a few colours higher than it.How do you darken a permanent cosmetic lip colour if its too dark?
Well don't know about the color, maybe something lighter(duh),but I think the appropriate question is, ';How do you lighten a permanent cosmetic lip color if its too dark?'; You said ';Darken'; but yeah.