At Salon DnA Hair and SPA in the Union Square - San Francisco, CA, discover a premier hair salon renowned for exceptional hair extensions and Brazilian Keratin Straightening. Our expert stylists excel in the latest hair care trends, including the coveted Brazilian blowout, precision haircuts, and vibrant hair color services. Complement your look with our nourishing scalp treatments, hair straightening, and perfect curls with our permanents. We also specialize in the Magic Perfect Straightener Keratin Treatment, providing sleek, flawle... read full review »