If you aren’t careful, sweat stains could really damage your garments. The best way to beat the sweat stains is to avoid them. Check out it out here.
Wearing a cheap undershirt will resolve all your issues regarding sweat stains but sweat.
It can prevent bacteria-prone sweat from staining your shirts. Apply antiperspirant before bedtime and let it dry completely before getting dressed
3) Wash shirts ASAP
For whites- apply a solution of equal parts hydrogen peroxide and water on the stain. Keep it for 30 minutes before wash.
For coloured- rub some vinegar directly into stain before washing