L'Oreal Texture Expert Architexture Matte Defining Paste Men, 1.6 Ounce by L'Oreal Paris. $25.99. Salon Professional hair care product. 100% Genuine. L'oreal Texture Expert Architexture is a matte defining paste for fine hair. Architexture transforms fine, limp hair into styles with matte texturization and strong but pliable hold. Customized to provide form, structure and definition on fine hair while maintaining style reworkability.