Yellow armpit stains are caused by sweat + deodorant reacting with fabric. They’re stubborn, embarrassing, and often ruin white T-shirts — but you can remove them with the right techniques.
1. Baking Soda Paste Method (Best for White Tees)
- Mix 4 tbsp baking soda + water
- Apply thick paste to stain
- Scrub gently with soft brush
- Let sit 30 minutes
2. Vinegar Pre-Soak
- Soak T-shirt in 1 cup white vinegar + warm water
- Leave for 20–30 minutes
Breaks down deodorant residue.
3. Lemon Juice + Sunlight Method
Natural bleaching effect for stubborn stains.
- Apply lemon juice
- Lay tee under sunlight
- Wash normally
4. Hydrogen Peroxide Deep Clean
Works best for sweat + deodorant chemical stains.
- Mix 1 part hydrogen peroxide + 1 part water
- Add 1 tbsp baking soda
- Apply with brush
5. Avoid These Mistakes
- Using bleach — it makes yellow stains worse
- Using hot water — sets protein stains
- Scrubbing too hard — damages cotton fibers
6. How to Prevent Yellow Stains
- Use deodorant without aluminum
- Let deodorant dry before wearing clothes
- Wash white tees more frequently
Connect with:
– Complete Stain Removal Guide
– How to Whiten Clothes Naturally
Final Tip: Most yellow stains are reversible — the key is pre-treatment before washing.
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