How to use Gluta Brightening Serum? August 03, 2026 18:37 Apply a few drops on a clean face.Use twice daily (morning & night).Always use sunscreen during the daytime for the best results. Related articles How to use Daily Fat Metabolism + Plant Fibre? How to use OZiva ACV Moringa For Weight Loss? How to use Spot Corrector for Acne? How to use OZiva Gluta Fizzy Bioactive Tablets? How to use Hair Actives + Shilajit for Men?