If you’re here, you probably already know that you should be wearing sunscreen every day. You may also know that there are two distinct types: chemical sunscreen and physical sunscreen (aka mineral) that work in very different ways to protect your skin from sunburns and other types of sun damage. There’s also a good chance you’ve heard mixed messages about both. The world of sun protection can be particularly confusing, but that shouldn’t deter you from finding a product you love. That’s why we tapped South Texas-based board-certified dermatologist Adeline Kikam to help uncomplicate the two types of sunscreen, so you can make an informed decision on what you want to wear every day. Continue reading below for a full breakdown, as well as some all-star product picks.
About the Expert:
It all comes down to active ingredients. “Chemical sunscreens use organic filters that absorb ultraviolet radiation and release it in the form of heat,” explains Dr. Kikam. Physical sunscreens, as the name suggests, physically block UV rays. “Mineral sunscreens use inorganic filters or metal oxides,” explains the derm. “The two FDA-approved inorganic filters are zinc oxide [ZnO] and titanium dioxide [TiO2], which work by absorbing, reflecting, or scattering ultraviolet light.” But let’s dig a little deeper, shall we?
The sunscreens you grew up with, and the majority of sunscreens on the market today are chemical formulas. According to Dr. Kikam, common chemical actives include para-aminobenzoic acid (PABA) derivatives such as benzophenones, salicylates, and cinnamates. “These UV filters are often combined together in formulations to help increase photostability, meaning reduce their likelihood of breaking down when exposed to light,” explains the derm. One major benefit of chemical SPF is that it tends to be more wearable, even completely transparent. “They are known to be more cosmetically appealing on skin, leaving no white cast,” says Dr. Kikam.
Although chemical sunscreens are more common, physical aka mineral sunscreens have become increasingly popular. “They are, for the most part, non-toxic, non-allergenic, and largely unaffected by light, so are most photostable and do not break down when exposed to light unlike organic filters,” explains Dr. Kikam. However, the formulations are thicker and can have an opaque, almost chalky finish. “They are notable for the white pasty color they leave on skin which can be very cosmetically unappealing especially on darker skin types,” says the derm.
As most experts will tell you, the best sunscreen for you is the one that you like wearing, and won’t mind putting on daily. Chemical sunscreens offer high SPF counts, and because of their transparent formulas, you won’t even know you’re wearing it. But sensitive skin types may prefer mineral sunscreen. “Chemical sunscreens with certain organic filters like octocrylene, oxybenzone, and avobenzone, have been associated with a higher prevalence of allergic or irritant contact dermatitis in skin,” explains Dr. Kikam. Still, she says, “I won’t outright avoid them because the overall formulation of the sunscreen matters as well.” Those with acne-prone skin, or certain skin conditions may react better to physical formulas, too. “Mineral sunscreens may be preferable to chemical sunscreens in allergy-prone patients or those with sun-sensitive conditions like rosacea and lupus,” says the derm.
Dr. Kikam adds that mineral sunscreens are also most recommended for children. “Mineral sunscreens are not systemically absorbed into the bloodstream, unlike chemical sunscreens,” she explains, noting, “Although no adverse health effects have so far been associated with systemic absorption of chemical filters.” One additional check in the mineral box is that it also offers blue light protection (which comes from devices such as cell phones and computer screens). “Blue light has been associated with persistent hyperpigmentation in darker skin types as well as redness in lighter skin folks,” says the derm.
For those who always forget to put on sunscreen, this two-in-one product is a must-add to your skincare routine. A great moisturizer on its own, it also contains non-nano zinc oxide protection so you’ll always have the sun protection you need, every day.
Consider this your gateway formula if you’ve If you’ve been reluctant to try physical sunscreens. With moisturizing squalane (great for dry skin!) and a blendable broad-spectrum formula, it holds up to any chemical SPF lotion out there.
Facial sunscreens like this are why many prefer chemical formulas to physical ones. It’s ultra-lightweight, transparent on all skin tones, vegan, and non-comedogenic. The SPF 35 is high enough for day-to-day use, but if you’re planning on extended sun exposure, just be sure to reapply frequently.
Not only does this clear, continuous-spray formula have SPF 50, but it can be applied on wet skin and still offer complete protection. It also infuses skin with vitamin C with each application for added antioxidant protection.
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