Cleanser by COSRX Give your skin some air time Suitable for all skin types Gel formula Contains a mildly acidic pH, similar to skin's natural pH level Designed to remove waste produced by skin during sleep, leaving the complexion clean and clear Enriched with tea tree oil Works to reduce the appearance of enlarged pores and control excess sebum production Product is non-returnable for hygiene reasons COSRX Say goodbye to skincare worries and hello to your new fave K-beauty brand COSRX. All about simplicity, the label uses minimal yet effective ingredients to serve all skin types and needs. You don't need to be a skincare pro either - we've got a round-up of its top gel cleansers, acid toners, moisturizers and pimple patches in our COSRX at ASOS edit. Scroll to be in the know.