I don't see an expiration date on my box. My experience with OPI polish is that if you tighten, but don't overtighen the cap, you'll be able to get 2 years out of it. After that, most colors separate. I've kept some reds for a little longer, but most colors get iffy after 24 months or so.
answered 1 year, 1 month ago
(Atlanta, GA, USA)