Sean's Signature Salon and Spa 431 Beaver St, Sewickley, PA15143 Sean Kowalski is the co-owner and head technician at Sean's Signature Salon and Spa. This full-service salon offers…More hair cuts, color, perms, manicures, pedicures, acrylic and gel nails, massage, wraps, waxing, facials, waxing, makeup and spa and body treatments. There are home haircare products galore for sale, including the Dermalogica range and Sean's own line of hair care, including a Silk & Protein conditioner. Sean's has wig and extension services available to all, but especially caters to cancer patients. "We're the only salon in the area that offers that," Kowalski said. The spa offers several bridal packages and there's also quite a large jewelry selection for sale.