HSK 5
Dōngtiān pífū gān, yídìng yào zhùyì bǎoshī.
Skin gets dry in winter - be sure to moisturize.
HSK 6
Zhè kuǎn miànmó bǎoshī xiàoguǒ tèbié hǎo.
This sheet mask is especially good for moisturizing.
HSK 7-9
Xiān tú jīnghuá zài yòng bǎoshī shuāng.
Apply serum first, then moisturizer.