Saludos, la pega cumple esas dos funciones preservarlo y darle brillo aparte que dependiendo de que material use realza o fusiona los colores. inténtalo y veras a que me refiero.
Gracias por tu comentario.

Greetings, the glue serves both functions: preserving it and giving it shine. Also, depending on the material used, it enhances or blends the colors. Try it and you'll see what I mean.
Thanks for your comment.