Frequently Asked Questions

Find Answers to Common Questions

How do I use the First Defense Wipe?

What does a red color change mean?

Do the wipes detect substances other than fentanyl?

How reliable are these wipes and what is their shelf life?

How should I dispose of the wipe after use?

What drugs does the First Defense wipe detect?

First Defense wipes are a presumptive test. What is a presumptive test?

Is it possible to detect a false negative?

Are any of the ingredients in First Defense wipes harmful?

What is the First Defense wipe itself material made of?

Can the First Defense wipe be used more than once?

What happens to the First Defense wipe if it’s frozen?

What is your return policy?

How long does shipping take?

Do you ship internationally?

How can I track my order?

What payment methods do you accept?

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