Grandpa Gus's
Grandpa Gus's Mosquito Repellent Bracelets (Kids and Adults, 12 Pack)
Electronic · Marketed as a DEET-free essential-oil consumer product rather than an EPA-registered skin repellent. Essential-oil repellent bands of this type are generally sold under the EPA FIFRA 25 minimum-risk exemption and are not reviewed by the EPA for bite-protection efficacy.
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Cons
- No reliable evidence it reduces mosquito bites in controlled studies
- The kind of device the FTC has fined marketers of for unsupported repellent claims
The full review
A twelve-pack of DEET-free bands infused with a blend of plant essential oils such as geraniol, citronella, lemongrass, cinnamon, clove, and peppermint, marketed for kids and adults and advertised for very long wear time per band. The oils are real and each band does release a scent into the air right around it. As with every band, the limitation is the format. A child running around a yard is bitten on the legs, arms, neck, and face, and a scented band on the wrist cannot surround all of that skin with enough repellent vapor to protect it. Repellent-treated wristbands tested against skin repellent in the New England Journal of Medicine offered essentially no protection against bites, and a wearable-device trial found bands did not significantly reduce how strongly mosquitoes were drawn to a person. A long advertised wear time describes how long the band keeps smelling, not how well it protects, and controlled evidence does not support these bands as reliable bite protection.
Scorecard
Expand any pillar to see exactly why it scored what it did.
Effectiveness45%0There is no reliable evidence that this reduces mosquito bites. Controlled field studies and systematic reviews of electronic and gadget repellents (ultrasonic devices, apps, and repellent wristbands) have found no protective effect, and the linked research below shows why. It scores zero for effectiveness against biting.
There is no reliable evidence that this reduces mosquito bites. Controlled field studies and systematic reviews of electronic and gadget repellents (ultrasonic devices, apps, and repellent wristbands) have found no protective effect, and the linked research below shows why. It scores zero for effectiveness against biting.
Evidence & honest claims25%2No published studies in our library directly support this product's active ingredients at their concentrations (base 20). Of 3 marketing claims audited: 1 strong, 0 moderate, 0 weak, 2 unsupported (-18).
No published studies in our library directly support this product's active ingredients at their concentrations (base 20). Of 3 marketing claims audited: 1 strong, 0 moderate, 0 weak, 2 unsupported (-18).
Safety15%60This is not applied to your skin and poses little direct hazard to you. Safety is not the concern with these products; effectiveness is (see above).
This is not applied to your skin and poses little direct hazard to you. Safety is not the concern with these products; effectiveness is (see above).
Transparency15%0This product publishes no ingredient list (0).
This product publishes no ingredient list (0).
Every pillar is scored from published rules. Read how we score.
Ingredient disclosure
This product publishes no ingredient list (0).
The manufacturer does not publish an ingredient list for this product.
Claims audit
What the marketing says, versus what the evidence supports.
“Plant-based essential oils repel mosquitoes for kids and adults”
EfficacyUnsupportedThe oil blend is active in a small volume of air, but the band cannot protect the whole body. Fradin and Day (NEJM, 2002; 347(1):13-18) found repellent-impregnated wristbands gave essentially no protection against bites, and Rodriguez et al. (J Insect Sci, 2017; 17(1):24) found bands produced no significant reduction in mosquito attraction.
“Up to 300 hours of protection per band”
DurationUnsupportedA long wear time describes how long a band keeps releasing scent, not how well it protects. Because the format does not shield exposed skin away from the band at any point, extending the wear time does not produce bite protection. The University of Sydney guidance states that wristbands are not a reliable way to prevent bites.
“DEET-free, made with six plant-based essential oils”
NaturalStrongThis is literally true. The bands contain no DEET and use a blend of plant essential oils. The accurate ingredient statement does not change the fact that a band cannot cover the skin across a moving child's body.