Arencia Rice Mucin Glow Serum Suitable for all skin types. Made to reduce the appearance of dark spots and give the skin a natural glow, the Arencia Rice Mucin Glow Serum combines natural ingredients with a scientifically backed formula, leaving the skin plump and luminous. This natural yet potent rice serum combines rice ferment filtrate with niacinamide, collagen and hyaluronic acid.