Secret is a well-known personal care brand specializing in deodorants and antiperspirants designed primarily for women. Introduced in 1956, Secret offers a variety of sweat and odour protection products, including invisible solids, clear gels, sprays, and clinical strength formulas. Owned by Procter & Gamble, the brand focuses on providing effective, long-lasting protection while offering a range of fragrances and formulations to suit individual preferences.