1. Debenhams: Debenhams is a department store chain that carries OPI nail polishes in their beauty section.
2. Arnotts: Arnotts is another popular department store in Ireland that offers OPI nail polishes.
3. Boots: Boots is a chain of pharmacies and beauty stores that typically carry a range of OPI products, including nail polishes.
4. Cara Pharmacy: Cara Pharmacy is also a pharmacy chain that often has OPI nail polishes available.
5. Cloud 10 Beauty: Cloud 10 Beauty is a chain of beauty supply shops that carries a variety of OPI products.
6. Sally Hansen: Sally Hansen stores are dedicated to nail care products and usually offer a wide selection of OPI polishes.
7. Beauty Matters: Beauty Matters is an online retailer that carries OPI nail polishes and ships to Ireland.
8. Online Retailers: Several online retailers based in Ireland or shipping to Ireland also offer OPI products, including FeelUnique, Lookfantastic, and Cloud10Beauty.ie.
You can also check the official OPI website for a list of authorized retailers in Ireland and their locations. It's always best to call ahead or check the store's website to confirm if they carry OPI products before visiting.