Blackheads are caused by a combination of factors, including excess oil production, clogged pores, and the presence of bacteria on the skin. When the sebaceous glands produce too much oil, The clogged pores then become blackheads when the mixture oxidizes and turns dark.

Preventing blackheads starts with proper cleansing and skincare routine. It is important to cleanse the skin twice a day to remove excess oil, dirt, and dead skin cells that can contribute to blackhead formation. Using a gentle cleanser that is suitable for your skin type is essential. Avoiding pore-clogging products such as heavy moisturizers and makeup can also help prevent blackheads.