Bonsoir Nails is located at 314 Monterey Rd Unit 9, South Pasadena, CA. This business specializes in Nail Care and has 1 review(s) with a star rating of 4.0. Bonsoir Nails is open Mon, 9:05am-7:05pm; Tue, 9:05am-7:05pm; Wed, 9:05am-7:05pm; Thu, 9:05am-7:05pm; Fri, 9:05am-7:05pm; Sat, 9:05am-7:05pm; Sun, 10am-6pm and accepts All Major Credit Cards, Cash, Mastercard and Visa.