New Home INGU Brightening Crystal Serum 50ml P0885 $39.54 INGU Brightening Crystal Serum 50ml is a lightweight hydrating serum with niacinamide, Arabica coffee extract, and Crystalide® peptide. Helps improve the appearance of dull skin, uneven tone, and visible dark spots while supporting smoother, brighter-looking skin. Fast-absorbing formula suitable for daily skincare routines. Add to cart