If the clothes label says it can be cleaned, it is OK. If not, you can ask the merchant. 111% wool sweater can be washed and won't be damaged. However, there are many problems that need to be paid attention to when cleaning pure wool sweaters. When washing, you should choose a special wool cleaning solution. If not, you should choose a mild laundry detergent. Turn the sweater inside out and wash it.

Sweaters are not alkali-resistant. If they are washed, neutral detergent containing no enzyme should be used, and it is best to use special detergent for wool. If you use a washing machine, you should use a drum washing machine and choose a soft program. If you wash it by hand, it is best to rub it gently, and you should not use the washboard to rub it.

Sweaters should not use chlorine-containing bleaching solution, but oxygen-containing color bleaching; Squeeze and wash, avoid twisting, squeeze and remove water, spread evenly and dry in the shade or fold and hang in the shade; Wet plastic surgery or semi-dry plastic surgery can remove wrinkles and avoid exposure to the sun; Softener should be used to maintain soft feel and antistatic property. Dark colors are generally easy to fade and should be washed separately.