[header] How to prevent blackheads [title] Cleanse your skin regularly. [step] Although blackheads are not actually caused by dirt, gently wash your skin regularly to remove excess dirt and oil. This can help prevent blackheads from forming or clogging pores. 
[substeps] Use a gentle cleanser with a neutral ph. You may also look for cleansers with salicylic acid, which can be very helpful in keeping pores clean and preventing breakouts.