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DOUBLE COAT

DOUBLE COAT

Cosart

£8.5

+ Double Use + Protective Layer + Enhances Durability + Prevents Chipping This product has a dual use as both a base layer and top coat. As a base, it provides a protective layer which can be used before applying nail polish to ensure that colour adheres perfectly to the surface of the nail, and lasts longer. As a top coat, it creates a protective layer over the nails, for greater shine, longevity and durability. It also prevents chipping, ensuring your perfect manicure lasts longer. Add to Wishlist Add to Wishlist

Cosart's own words, read from their page.

Buy from COSART LIMITEDCOSART LIMITED is a UK retailer, not the maker. Price seen 2026-09-21. Not an affiliate link, we earn nothing from it.

Where this comes from

The part other shops don't tell you. Three separate questions, kept separate on purpose, each with its source.