SKINTIFIC COSMETICS | 10% Niacinamide Brightening Serum, Natura Deca Kosmetika | N10-Dose+ 2.0 Intense Brightening Serum Niacinamide 10%, Opto Lingkar Sejahtera | Niacinamide 5% Beta Glucan 7 Phyto Extract Serum, Eka Jaya Internasional | Power Bright Expert Serum, Natura Deca Kosmetika | Luminous Dark Spot Brightening Serum