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About Us Itâs All in the Detailing San Antonio, you deserve the best! That's why we created the ultimate car detailing company, The Hand Wash. We are fellow San Antonians, and we're passionate about giving your vehicles the premium care they deserve. Contact Us About the Hand wash We're not just another car wash company â we're a team of passionate, detail-obsessed San Antonio locals who love our city as much as we love a flawlessly clean vehicle.