How to conceal a blemish and cover up acne. Use Clinique Acne Solutions Clearing Concealer. Apply this medicated formula gently over breakouts, feathering at the edges to blend. Use sparingly, building coverage in thin layers. Pat on Clinique Acne Solutions Powder Makeup after concealer for a mattifying finishing touch. Use it on breakouts, oily spots, or all over your face for a fresh, flawless finish.