11 Budget-Friendly Ways to Bring Old Clothes Back to Life

5. Reintroducing the colour snow-white to undergarments

Making White Undergarments Bright Again White undergarments can become yellowed over time. Boric acid is an effective solution for restoring their original brightness.
Add half a cup of boric acid to your usual detergent when washing whites. It breaks down stains and helps your garments regain a clean, fresh appearance.