Rocky Mountain Oils Droplet USB Essential oil Diffuser: Unlike other brands, this is Lead-free in all accessible components!

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Article written: December 3, 2018
Updated: March 8, 2020

For those new to this website:

Tamara Rubin is a multiple-federal-award-winning independent advocate for childhood Lead poisoning prevention and consumer goods safety, and a documentary filmmaker. She is also a mother of Lead-poisoned children (two of her sons were acutely Lead-poisoned in 2005). Since 2009, Tamara has been using XRF technology (a scientific method used by the U.S. Consumer Product Safety Commission) to test consumer goods for toxicants (specifically heavy metals — including Lead, Cadmium, Mercury, Antimony, and Arsenic). Tamara’s work was featured in Consumer Reports Magazine in February of 2023 (March 2023 print edition).

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To see more diffusers I have tested, including diffusers from many of the popular brands, click here. The list includes diffusers from the following brands:

1. Sparoom (Lead-free)
2. Young Living (Leaded)
3. Asakuki (Leaded)
4. Saje (Leaded)
5. doTerra (Leaded)

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Rocky Mountain Oils USB Essential Oil Diffuser

When tested with an XRF instrument, all accessible components of this Rocky Mountain Oils Droplet USB essential oil diffuser were Lead-free. Below are the full XRF results for this product. Please scroll down past each image to see the test results for each specific component of this item. Thank you!

White Plastic of Base:
(Note: The lavender-colored logo areas were tested as well, and no toxicants were found.)

• Lead (Pb): Non-Detect / Negative
• Mercury (Hg): Non-Detect / Negative
• Cadmium (Cd): Non-Detect / Negative
• Arsenic (As): Non-Detect / Negative
• Barium (Ba): 163 +/- 69 ppm
• Bromine (Br): 10 +/- 2 ppm
• Vanadium (V): 354 +/- 192 ppm
• Titanium (Ti): 25,200 +/- 500 ppm

Clear Plastic of Lid:

• Lead (Pb): Non-Detect / Negative
• Mercury (Hg): Non-Detect / Negative
• Cadmium (Cd): Non-Detect / Negative
• Arsenic (As): Non-Detect / Negative
• Copper (Cu): 26 +/- 13 ppm
• Iron (Fe): 57 +/- 20 ppm

Inside Clear Plastic (with electronics underneath, likely reading through to the sealed electronic components):

• Lead (Pb): Non-Detect / Negative
• Mercury (Hg): Non-Detect / Negative
• Cadmium (Cd): Non-Detect / Negative
• Arsenic (As): Non-Detect / Negative
• Barium (Ba): 2,064 +/- 91 ppm
• Antimony (Sb): 207 +/- 20 ppm
• Bromine (Br): 2,390 +/- 34 ppm
• Tin (Sn): 167 +/- 15 ppm
• Zinc (Zn): 141 +/- 20 ppm
• Nickel (Ni): 22 +/- 8 ppm
• Iron (Fe): 24 +/- 15 ppm
• Copper (Cu): 8,303 +/- 99 ppm
• Bismuth (Bi): 58 +/- 18 ppm

“Gummy” Rubbery Material of Feet:

• Lead (Pb): Non-Detect / Negative
• Mercury (Hg): Non-Detect / Negative
• Cadmium (Cd): Non-Detect / Negative
• Arsenic (As): Non-Detect / Negative
• Barium (Ba): 381 +/- 178 ppm
• Antimony (Sb): 97 +/- 41 ppm
• Bromine (Br): 10 +/- 3 ppm

USB Cable (wire part):

• Lead (Pb): Non-Detect / Negative
• Mercury (Hg): Non-Detect / Negative
• Cadmium (Cd): Non-Detect / Negative
• Arsenic (As): Non-Detect / Negative
• Barium (Ba): 189 +/- 52 ppm
• Zinc (Zn): 771 +/- 45 ppm
• Iron (Fe): 131 +/- 61 ppm
• Titanium (Ti): 7,374 +/- 1,577 ppm

USB Cable (hard plastic end part):

• Lead (Pb): Non-Detect / Negative
• Mercury (Hg): Non-Detect / Negative
• Cadmium (Cd): Non-Detect / Negative
• Arsenic (As): Non-Detect / Negative
• Barium (Ba): 123 +/- 70 ppm
• Bromine (Br): 58 +/- 9 ppm
• Zinc (Zn): 851 +/- 72 ppm
• Copper (Cu): 2,551 +/- 135
• Iron (Fe): 25,500 +/- 700 ppm
• Titanium (Ti): 6,686 +/- 1,852 ppm

USB Cable (flat metal end):

• Lead (Pb): Non-Detect / Negative
• Mercury (Hg): Non-Detect / Negative
• Cadmium (Cd): Non-Detect / Negative
• Arsenic (As): Non-Detect / Negative
• Zinc (Zn): 25,000 +/- 900 ppm
• Copper (Cu): 229,600 +/- 2,100 ppm
• Nickel (Ni): 205,200 +/- 2,200 ppm
• Iron (Fe): 535,600 +/- 2,200 ppm
• Titanium (Ti): 2,089 +/- 396 ppm

As always, thank you for reading and for sharing our articles.

Please let me know if you have any questions!

Tamara Rubin
#LeadSafeMama