What Are Sun Drops — & Do They Actually Work?

Makeup drops have taken many forms, from foundation to highlighter to primer. But, when the hot weather hits, I find myself itching for an SPF version, which not only shaves a few seconds off my morning routine, but also turns pretty much any product into a skin-protecting shield.

Sounds like a miracle, right? They are in many ways, but SPF drops aren't without their caveats. When using a mixable product, consumers have a tendency to use a few drops and call it a day. "In order for the booster to be effective, you must use enough of it," says dermatologist Joshua Zeichner, MD. "The same rule applies to a booster as does any other sunscreen. You need one nickel-sized amount applied to the full face."

And another thing: You can't really mix them with anything. "I caution against combining them with specialized moisturizers that contain ingredients like antioxidants or hydroxy acids as these ingredients may interact with the sunscreens," Dr. Zeichner adds. He recommends combining sunscreen drops with simple moisturizers.

Dermatologist Dendy Engelman, MD, agrees. "I would advise mixing drops with a cream moisturizer or liquid foundation and to avoid oil-based products that could break down the integrity of the product," she says. "Since most sunscreen drops contain vitamin C, this should not be used in conjunction with retinol because when used together, the skin can become more vulnerable and irritated."

Ahead, the best sunscreen drops to try this season.

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Never worry about a white cast again with these sheer sun drops from Dr. Barbara Sturm. They're packed with vitamin E and beta-glucan (a type of sugar) to treat and prevent sun damage.
Dr. Barbara Sturm Sun drops, $145.00 Buy
One major complaint about sunscreen is that it's greasy and clogs pores. Luckily, this one with SPF 50 feels like nothing at all — making it perfect for mixing into your moisturizer or foundation.
Dermalogica Solar Defense Booster SPF 50, $55.00 Buy
If the only beach you're hitting this summer is the screensaver on your Apple computer, try Coola's Sun Drops. They filter blue light from electronic devices that's been proven to lead to skin damage.
Coola Full Spectrum 360° Sun Silk Drops SPF 30, $46.00 Buy
These UV-filtering, transparent drops remove that one extra step in your routine you never want to do — and just might be the sexiest sunscreen ever.
Giorgio Armani Beauty Maestro UV Makeup Primer, $64.00 Buy
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