OPI Products, branded as O·P·I, is an American nail polish manufacturer headquartered in Calabasas, California and a subsidiary of Wella Company OPI, originally named Odontorium Products Inc., was a small dental supply company purchased by George Schaeffer in 1981.

[1] Shortly after taking over the company, Schaeffer was joined by Hungarian-born[2] Suzi Weiss-Fischmann, OPI's Executive Vice President and Artistic Director.

[5] In 2003, OPI launched a nail polish line for dogs called Pawlish that received mixed reviews.

[6] In 2007, after pressure from the EPA and the organization Campaign for Safe Cosmetics, OPI reformulated its nail lacquers and eliminated chemicals DBP (dibutyl phthalate), formaldehyde and toluene.

The deal reduces Coty's total shareholding in Wella, Clairol, OPI and ghd brands to approximately 25.9%.