Beta Hydroxy Acid or BHA is an exfoliator that works beneath the surface of the skin to help unclog pores, target blackheads and reduce excess oil making it great for blemish prone skin BHA is great choice for oilier skin as its anti-inflammatory and anti-bacterial properties can help calm breakout prone skin. Thanks to added 1% Hyaluronic Acid it is non-drying to skin BHA can be used in the AM or PM depending on your preference. Gently pat 1-2 drops into the face and neck after cleansing and hyaluronic acid if this is part of your routine. Follow with preferred serums and moisturiser. BHA can also be used as a more targeted treatment for blemish prone areas.