Ltd Run colours are manufactured in extremely small quantities and might not be repeated again so the advice is always to buy as much as you can if you like it.
Testers reported Tutu is another one of those very pale transparents that makes people glass-happy. Such a pretty, delicate pale pink, it’s one of the palest transparent pinks. It’s a breeze to use. No bubbling or scumming issues, not too stiff and not too soupy.