Secret is an antiperspirant/deodorant for women manufactured by Procter & Gamble. It is sold in the United States, Canada, and Mexico. Secret was launched as the first female deodorant in 1956, after more than 10 years of research that began in 1945. Secret is the only female brand antiperspirant/deodorant in Procter & Gamble’s portfolio of products, which includes male brands Gillette and Old Spice.There are currently more than 55 different antiperspirant/deodorant products sold under the Secret brand. Products are produced by company plants in Greensboro, NC and in Mexico City, Mexico, which are then distributed to retailers.