This is the 17156th most frequent Korean word.
샴푸를
"샴푸를" means "shampoo" (as an object in a sentence, marked with the object particle).
샴푸를 is the object of the verb 팔다 (to sell), referring to shampoo being sold at the store.
그 가게에서는 좋은 품질의 샴푸를 팔아요.
That store sells good quality shampoo.
샴푸를 occurs as the object of the verb 쓰다 (to use), signifying the act of utilizing the gifted shampoo.
친구가 선물로 준 샴푸를 아주 잘 쓰고 있어요.
I'm using the shampoo that my friend gave me as a gift very well.
샴푸를 here is the object of the verb 사용하다 (to use), indicating the act of using shampoo for washing hair.