2 sentences

1. 经常染发可能会损伤发质。

   jīng​cháng rǎn​fà kě​néng huì sǔn​shāng fà​zhì.

   Dyeing your hair frequently may damage your hair quality.

   Source: Dong Chinese Dictionary

2. 这种洗发水能有效护理受损的发质。

   zhè zhǒng xǐ​fà​shuǐ néng yǒu​xiào hù​lǐ shòu​sǔn de fà​zhì.

   This shampoo effectively cares for damaged hair.

   Source: Dong Chinese Dictionary