Free 0.13 fl oz DefenAge 8-in-1 BioSerum Sample

Try DefenAge's 8-in-1 BioSerum with a complimentary 0.13 fl oz trial-size bottle shipped to your door. Eligible new customers who received an invitation can complete the official sample request form, with no purchase or shipping charge. This skincare serum combines niacinamide, hyaluronic acid, peptides, and other ingredients designed to improve the appearance of fine lines and uneven skin texture.