The Boozyshop BHA Blackhead Serum is a calming and nourishing serum that is perfect for oily skin. This serum is your life saver if you suffer from impure skin / acne, large pores and blackheads! This serum contains BHA (salicylic acid) which exfoliates your skin in a light way. It loosens dead skin cells, as it were, tackles barley grains and is soft and calming for rosacea-prone skin. Are you using this serum for the first time? Then start with 1 time a week and slowly build it up to 2 to 3 times a week.