Can You Use Mosquito Repellent with Makeup? DEET Safety Explained

Regarding the use of mosquito repellent?

Doctor: I would like to ask two questions—1.
Can mosquito repellent and foundation be used together? Can I apply mosquito repellent after putting on makeup? 2.
Is it safe to spray DEET-containing products on the skin? I've seen news reports stating that only those containing DEET are effective, but many products on the market indicate they should not be sprayed on the skin, which is quite confusing.

mo, 30~39 year old female. Ask Date: 2015/09/18

Dr. Liao Yaopan reply Family Medicine

Regarding your concerns, the simpler the items used, the fewer interactions there will be, and each person's skin reactions can vary.
It is still advisable to be cautious when using them.
DEET-containing insect repellents are still recommended to be used with caution by many academic and environmental organizations, especially for young children.
After all, insect repellents are only a temporary solution; necessary clothing protection to prevent direct contact and bites from mosquitoes is the best approach.
Changhua Hospital cares about you.

Reply Date: 2015/09/18

More Info

When it comes to using mosquito repellent in conjunction with makeup, there are several important considerations to keep in mind for both safety and effectiveness.
Firstly, it is generally advisable to apply mosquito repellent before makeup. This is because many mosquito repellents, especially those containing DEET (N,N-Diethyl-meta-toluamide), can interact with makeup products. Applying repellent over makeup can potentially alter the appearance and effectiveness of the makeup, as well as reduce the efficacy of the repellent itself. If you need to apply repellent after putting on makeup, consider using a spray formulation that is designed to be safe for use over cosmetics. However, it’s best to test a small area first to ensure that it does not cause any adverse reactions or affect the makeup.

Regarding the safety of DEET, it is a widely used and effective ingredient in many mosquito repellents. The Centers for Disease Control and Prevention (CDC) and the Environmental Protection Agency (EPA) have deemed DEET safe for use on humans when applied according to the instructions. However, there are some precautions to consider. DEET should not be applied directly to the face or near the eyes, and it should be used sparingly on children. The concentration of DEET in the product can also affect its safety and efficacy; products with higher concentrations provide longer-lasting protection but may also increase the risk of skin irritation.

It is important to note that while DEET is effective, some products may contain other active ingredients that are also effective against mosquitoes, such as picaridin or oil of lemon eucalyptus. Always read the label carefully to understand the active ingredients and follow the manufacturer's instructions for safe use.

In terms of using DEET on the skin, most commercial products are designed for topical application and can be safely sprayed on exposed skin. However, if a product states that it should not be sprayed on the skin, it is crucial to adhere to those instructions. This could be due to the formulation of the product, which may be intended for use on clothing or gear rather than directly on the skin.

In summary, while it is possible to use mosquito repellent with makeup, it is best to apply the repellent first and then apply makeup afterward. If you must apply repellent over makeup, choose a product that is safe for such use and test it on a small area first. Always follow the instructions provided on the repellent packaging, especially regarding DEET and other active ingredients, to ensure safe and effective use. If you have sensitive skin or are concerned about potential reactions, consider consulting with a dermatologist or healthcare provider for personalized advice.

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