Kate Somerville EradiKate Blemish Treatment Size 30ml | Kate Somerville's clinically proven eradikate blemish treatment diminishes blemishes in as little as one hour to reveal a fresh, clear complexion. Formulated with sulphur and salicylic acid, the anti-spot treatment can be used on blemishes to reduce redness, unclog pores and prevent blemishes from surfacing simply blot over concern areas and leave to work overnight.