However, DEET has been shown to reduce sunscreen's ability to screen out ultraviolet (UV) radiation. The Skin Cancer Foundation shares that combining DEET with sunscreen leads to more than a 30% reduction in SPF power. What's more, sunscreens enhance DEET absorption into the skin to increase toxicity risks.
Some studies have shown that insect repellents with DEET lower the effectiveness of sunscreen by about 40 percent. DEET, plan on reapplying sunscreen more
For older infants and children, repellents with 10% to 30% DEET are considered safe. Products containing both DEET and sunscreen aren't
DEET May Boost Absorption of Sunscreen Ingredients: A. Dermatologists have found that applying the insect repellent DEET together with sunscreen results in greater absorption of both compounds (Journal of Dermatological Treatment, Jan. 2024).
Sunscreen with insect repellant is similar to other types of sunscreen except that it contains additional chemicals that repel insects, such as DEET. DEET
While standard 20% DEET needs 30 minutes to absorb into the skin, the DEET used in sunscreen penetrates the skin in just 5 minutes, even if the sunscreen contains half as much DEET as the standard solution. This means that sunscreen with DEET is absorbed 3.4 times faster than the standard DEET of 20%.
DEET May Boost Absorption of Sunscreen Ingredients: A. Dermatologists have found that applying the insect repellent DEET together with sunscreen results in
It's best to apply sunscreen, let it absorb thoroughly into the skin and then apply the DEET-based repellent. Reapply sunscreen often and
With the exception of products/formulations that combine DEET and sunscreen, all uses/formulations of DEET are eligible for reregistration provided all labels
I laughed out loud at ... and I hoped a fair amount of DEET.