Definitely keep colour away from you skin if you have had an allergic reaction in the past, they can be very nasty.
You or your hairdresser obviously decided to go with blonde highlights to make the appearance of the grey less noticeable as it started to grow out.
What I would advise is to introduce some soft caramel browns as this will help with the calming down of what you appear to have now. ...More >
This is also very IN VOGUE at the moment and by introducing some soft golden brown shades it will give you a softer tone.
I would keep more lighter tone around your parting area if you have one, to keep the appearance of your grey at bay.