Importance Score: 42 / 100 🔵
Easy Method to Banish Underarm Stains from White T-shirts
A simple yet effective laundry hack for reviving white T-shirts and eliminating stubborn underarm stains has been shared by online home guru Neat Caroline. In a recent tutorial on her TikTok channel, the cleaning enthusiast demonstrated a straightforward method to brighten white garments and remove those unsightly armpit discolorations that commonly affect frequently worn apparel.
Reviving Dull White T-shirts with Oxygen Bleach
Neat Caroline, showcasing two of her white T-shirts marred by yellowish underarm marks, described them as appearing “dull” before beginning the cleaning process. To tackle the stains, she used a large bowl and placed the shirts inside. She then added “one full scoop” of oxygen bleach, highlighting in the video’s caption that this type of bleach is a gentler, color-safe alternative to chlorine bleach.
Understanding Oxygen Bleach
Caroline clarified that oxygen bleach is widely available and often marketed under brand names such as Oxiclean. She noted that numerous cleaning product brands incorporate oxygen bleach into their formulations.
Common Oxygen Bleach Products
- Oxiclean
- Vanish Gold Oxi Action Chlorine Free Stain Remover Powder
- Ecover Laundry Bleach
- Sodasan Oxygen Bleach
Step-by-Step Stain Removal Process
After placing the stained T-shirts in the bowl and adding a scoop of oxygen bleach, the next crucial step is to pour in boiling water directly from a kettle.
This action initiates a “chemical reaction” which is key to lifting the stains from the fabric effectively.

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For optimal results, it is essential to ensure the garments are fully immersed in the mixture of oxygen bleach and hot water.
“Then go about your day,” advised Caroline, indicating that the oxygen bleach solution requires up to six hours to work thoroughly and break down the stain molecules.
She suggested initiating this pre-treatment process before starting daily activities, such as work, allowing ample time for the solution to act before the subsequent washing stage.
Caroline further instructed, “Then you’re going to toss these in the wash with your other white clothes, your regular detergent, and a small amount of additional oxygen bleach.”
Achieving Stain-Free, Brighter Whites
Following a standard wash and drying cycle, the treated white T-shirts should emerge free from stains and noticeably brighter in appearance.
Caroline, inspecting her freshly cleaned T-shirts, remarked, “They are looking super bright again and, importantly, no more pit stains.”
Public Reaction and User Feedback
Viewers responding in the comments section of Caroline’s video expressed considerable praise, with many confirming the laundry method’s success in resolving their own stain issues.
One user commented on their positive outcome, stating, “I’ve tried this and had great luck with it.” However, another user advised caution, mentioning a strong odor: “People, be careful. I just did this a few minutes ago; it creates a potent smell! I had to open all my windows.”