I THINK that it is recommended on Fiona's site somewhere to mix with your usual pink,
apparently clear can sometimes make the appearance a little cloudy,
It may have been on here I read it,
I can't remember ..
I usually use my usual pink to mix all my glitters anyway
Most are recommended to be mixed with pink or clear, but as has been said already some company's clear can be cloudy. I would not use Intense Pink with Xanadu as it may be too pink but Perfect Pink or Clear should be fine.