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What do I put on first:sunscreen or DEET?

What do I put on first:sunscreen or DEET?

How about it again?

If you need sunscreen and mosquito repellent such as DEET at the same time, do not apply the products at the same time. Thus they both lose their effect. Start with the sunscreen, wait an hour, then apply DEET. Note: DEET is not waterproof, reapply after contact with water.