@cece.selfcare: I tested Anua Niacinamide Serum on my underarm for a week 👏 shocked at the results 😊👏👏 @anua_global Product used: Niacinamide 10% + TXA 4% Dark Spot Correcting Serum #anua #anuadarkspotserum #darkspots #hyperpigmentation #darkspotserum