Nickel Alert® 2 btls Nickel Test Kit to avoid contact with nickel in metal

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Would you like to know which pairs of earrings contain nickel before your skin tells you?

Nickel Alert® quickly, easily, and safely tests jewelry and other metal items like watches, jean snaps, and eye glasses to determine if nickel is present.

Within 30 seconds you will know if the item has even minute amounts of nickel. See Details for more information on the sensitivity of this product.

Let Nickel Alert test for nickel in your jewelry–NOT your skin!

Nickel Alert is now available in an easy-to-use squeezable plastic bottle. There is now twice as much product in each bottle, meaning more tests! One bottle of Nickel Alert is now sufficient for 200+ positive tests!  Each bottle now contains .5 ounce or 14.8 ml of Nickel Alert.

Click here for more information on Common items to test for nickel

Nickel Alert is a ready-to-use dimethylglyoxime (dmg) spot test for nickel. The nickel test is pre-mixed and pre-measured for both accuracy and convenience. This reduces mess and inaccurate test results. Nickel Alert is safe and easy to use. It will not harm metal items.

Nickel Alert (dmg spot test) is sensitive enough to detect the presence of free nickel at a level as low as 10 ppm (parts/million)—a threshold below which only individuals with the most pronounced sensitivity to nickel would experience a reaction. 

How to use:

Nickel Alert allows you to easily test for nickel in any metal item — so your skin does not have to!

One bottle of Nickel Alert will provide more than 200 positive tests!

Squeeze 2-3 drops of Nickel Alert onto a cotton swab. With the swab, rub the metal item firmly for 15-30 seconds.. A pink-red color on the swab indicates nickel.

Do not reuse the swab.

To demonstrate a positive test, test a nickel coin. It contains 25% nickel and will turn the swab pink indicating nickel is detected.

Nickel Alert can be used to retest items coated with Nickel Guard to verify protective barrier is in place. 

Nickel Alert should be used in well-ventilated areas.

Shipping Notice: Nickel Alert contains a flammable liquid and must be shipped via Surface Mail Only; it requires ORMD labeling to ensure it is not shipped via air. These precautions can add to delivery times.

~Did You Know?

Did you know your Cell Phone could also be causing a reaction on your ear or cheek? That’s right, test your cell phone for nickel with Nickel Alert!

Recommended by leading Dermatologists and Allergists


Nickel Alert, Nickel Guard and Nickel Solution® are intended for use only on metal items; these items should be tested in an inconspicuous place.

Nickel Alert will not harm metal, even in delicate heirloom jewelry. However, if the item being tested has been coated, such as with varnish or antique finishes, the coating can be dissolved with the use of Nickel Alert.

Some degree of evaporation may be expected but will not alter the effectiveness of the product.

How or where products are tested is not within our purview, these products are guaranteed for their effectiveness in the testing of and protection from nickel in metals, not for issues beyond our control.


Belt Size is missing