Washing clothes, especially underwear, plays an important role in keeping them longer. In fact, for underwear there is a specific way to make the colors and their elasticity last longer and they will look like new.
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First, read the underwear label very well.
Then leave it for half an hour in a bucket of hot water and a little white vinegar. You can also do it in water with baking soda. This product cleans and eliminates odors. Then always rinse with cold water.
White vinegar also helps to better retain black lace lingerie and is extremely effective with any type of stain.
For white lace, you can use salt water. This combination will prevent it from turning yellow.
Always separate the colors.
Rub with your hand, never use a brush because it will damage the fine fibers.
Always wash with plenty of cold water.
Dry your underwear on a clean towel - it's the best way to prevent it from deforming, especially bras.