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  1. 1Use concealer. Choose a dry concealer that matches your skin tone. Place a dab of concealer on a Q-tip, or something else you can throw away, and blend it into your skin at the lip line. 
  2. 2Apply powder to the area.
  3. 3Apply lip color. When the cold sore is just starting, choose a shade that matches your natural lip color. To keep your lipstick safe, shave off a bit of the lipstick with a coffee stirrer. Then dip a Q-tip or throwaway lip brush into the lipstick you've shaved off and apply it to your lips.
  4. 4Put color on the part of your lips that doesn't have a cold sore first. Apply color to the area with the cold sore last, so you don’t spread the virus to other parts of your lips. Then throw away the brush or Q-tip.
  5. 5Change your lip color as the cold sore or fever blister changes. Choose a redder shade as it worsens and go back to a lighter shade as it fades.
  6. 6Use lip lacquer to cover cold sores at their worst stage. It provides a protective layer that keeps your lips moist. And it’s harder to lick off.
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