Eyebrow tint question

[jenniferlouise]

just bought a professional beauty systems Brown which seems quite yellow. do you guys think i could/should mix it with some of my old stock grey rectofil to tone down. client coming in tomoro. thanks x

 

[jenniferlouise]

please help x

 

[W33RBD]

I wouldnt incase she takes a reaction as they are two different tints, also the two different tints may not agree with each other and could end up going a weird colour. I wouldn't risk it...xo

wee red xo