Both, Original & Signature are unfortunately discontinued and HTF, so I don't use them much. Both are a bit sheer so they're perfect for layering. <3 I layered them over my last two colored manicure I showed you here. :D.
OPI Nail Envy Nail Strengthener
Sally Hansen - Pacific Blue / 2 coats
Ruby Kisses - Sweet Thing / 2 coats
Beauty Secrets TC Fast Finish Polish Dryer
OPI - Signature / 1 coat
OPI - Original / 1 coat
I love how Original looks over blue. :L I need to find a perfect combination to recreate OPI's Glamour, which I still want. ^_^
What's your all time favorite holographic nail polish? :rainbow Thanks for reading!