This should not surprise you, as lower concentrations require lower raw material costs. If sensitivity occurs in the form of rash or irritation, discontinue use. For a higher level of protection, you’ll want add 20% of the lotions weight in zinc oxide. There are no standard guidelines. This is a safer alternative to your traditional sun protection, as it is known for its healing properties. When these particles aggregate into the substrate they form non-nanoparticles that stay clear when applied, so you won’t have to worry about the lotion’s whiteness. The white patina and slightly higher cost are well worth the investment. As a single ingredient, zinc oxide is the broadest range sunscreen on the market. I can see why I confused you on this. Any sunscreen with zinc or titanium will do, but at the right percentage. After thorough research into requirements for sunscreen using zinc oxide and titanium dioxide to be effective, SimplySunSafe recommends Vanicream Sunscreen SPF 30 as the best sunscreen using zinc oxide and titanium dioxide. There are no hard rules because there are other factors that determine whether a sunscreen will be effective (i.e. What Percentage of Zinc Oxide Should Be In Sunscreen? I turn the sunscreen over and look at the zinc percentage. There are endless polemics regarding how much is too much zinc oxide in sunscreen. That’s why most cosmetic brands use mined zinc to produce purified zinc oxide in their laboratories. To help you further understand how this mineral plays a key role in your skin care regimen, especially in the sun-protection department, here are some commonly asked questions answered by top dermatologists. For more severe levels of sun sensitivity, it appears to work better to use sunscreens with a higher percentage of zinc oxide (16-25%). However, a concentration of over 25% of zinc oxide not only is not cosmetically acceptable, but it would alter the texture of the lotion making it unpleasant on the skin. Zinc oxide is defined as a physical blocker of UV rays. Regular zinc oxide also blocks visible light up to wavelengths 700 nm, whereas zinc nanoparticles block only up to 380 - 400 nm, depending on the specific formulation. Due to this reason, some dermatologists and cosmetic brands promoting regular sunscreens have concluded that biodegradable lotions might be ineffective. Your skin when exposed to UVB light produces melanin, and that is why you g… Most people don’t apply enough sunscreen, which is why undesirable sunburns and tanning can occur despite sunscreen application. It is not irritating and compatible with sensitive skin. Because zinc oxide is a metal that’s been oxidized, sunscreens containing it, such as SolRX's SPF 50 Zinc Sunscreen and Zinc Sunscreen Face Stick, are considered mineral rather than chemical, and are therefore more natural than most of the sunscreens currently on the market. You should be ensuring your sunscreen specifically contains zinc oxide. The information provided by this website is for educational purposes and should not be construed as medical advice, diagnosis, or treatment. To ensure your next zinc oxide sunscreen offers premium sun protection and there are a few must-have features you should look for: Zinc oxide cream is for external/topical use only, so be careful not to swallow any or to get it into your eyes, ears or mouth. Just because an active ingredient is in a sunscreen doesn’t mean it can protect you sufficiently. study that found that almost half of sunscreens (and almost 75% of natural sunscreens) did not pass tests that verified the SPF claims on their labels. The mineral has a low overall hazard, and there are no restrictions regarding its use. No, zinc oxide is not harmful to humans. Copyright © 2013-2020 Just About Skin. Zinc Oxide is the premier natural, mineral sunscreen ingredient on the market today. Z-Block sunscreen contains Zinc oxide- The only ingredient classified by USFDA that provides broad spectrum coverage across the entire UVB & UVA range. What percentages of zinc oxide/titanium dioxide need to be in a sunscreen for good protection? I think this is good, but am not 100%. Details: This sunscreen from COOLA contains 3.2 percent titanium dioxide and 7.0 percent zinc oxide. zinc oxide containing sunscreens (3-10% zinc oxide) appear to work ok for general application. Zinc oxide is the only ingredient which does that. The protective ingredient in sunscreens is zinc oxide. Let’s look at some ambiguous scenarios you may come across. Unlike the chemicals present in regular sunscreens, zinc oxide is not absorbed into the skin, and it is effective right after application. Zinc oxide seems to be the best sunscreen ingredient because it combines effectiveness with safety. A lot of other sunscreens I find have 10% zinc oxide or above. Besides, zinc oxide can prevent bacterial infections, and it has anti-aging properties, improving the healing of tissue damage. It isn't absorbed through the skin and is considered to be a safe substance. The problem with what you said above, is the statement that a product meets the minimum requirement for blocking a high percentage of UVA. In fact, the zinc oxide particles often leave a white patina on the skin, and that’s one of the reasons many people prefer regular lotions. It is a metal excess defect structure exhibiting n-type conductivity with a band-gap of 3.34 eV. Zinc is currently the only common sunscreen ingredient that blocks the entire UVA and UVB spectrum, fighting the sun’s aging affects on skin. Mineral sunscreens use zinc oxide and/or titanium dioxide. The other type, UVB, causes sunburns! The actual concentration depends on whether the lotion has one or two active ingredients. Biodegradable sunscreens containing only zinc oxide as an active ingredient provide adequate protection at concentrations above 15%. Sunscreens that use the ingredients zinc oxide or titanium dioxide, or special sunscreens made for infants or toddlers may cause less irritation to their sensitive skin. Zinc oxide is known as a physical sunscreen that contains a mineral ingredient capable of protecting skin from UV rays. Zinc oxide has a long history of safe use. Let’s say you’re comparing that with a formula that only has Zinc Oxide. It is more common to see 2-7% concentrations. With this in mind, our advice is to opt for a non-nanoparticle zinc oxide sunscreen. These particles have a porous surface texture, like a sea sponge, so they don't reflect as much visible light as standard non-nano zinc oxide particles and are therefore less whitening on the skin. There are two types of UV, UVA solar radiation that causes skin wrinkling, and skin aging, and this radiation penetrates deep in the skin, but does not cause sunburns. There is no right answer because what you need depends on your situation and habits, such as where you are, how often you re-apply, whether you’re sweating from physical activity, etc. Percentages of zinc oxide vary widely, and the final percentage will determine the products specified “SPF” level. 10 It’s mattifying formula means you won’t look the slightest bit greasy, and because it’s made with fast-absorbing, clean zinc oxide, it won’t irritate or clog pores like chemical sunscreens . *** Please note, I have NOT scientifically tested these SPF levels in a lab*** If you don’t have a kitchen scale Use this Ounces to Tablespoon Converter to help you determine how many tablespoons of zinc add. I look for a broad-spectrum sunscreen that contains at least 9 percent zinc or titanium. The mineral deflects rays to help protect and prevent accelerated deterioration of the … Let’s take a look! It is more common to see 2-7% concentrations. Is it harmful? Zinc oxide is found in the sunscreens that are recommended by dermatologists because they don’t contain oxybenzone (a harmful chemical), which is very common in most other sunscreens. However, two -- zinc oxide and titanium dioxide -- are physical blockers that block UVA and UVB. Look for a sunscreen that contains at least one of the following, Leffell says: ecamsule, avobenzone, oxybenzone, titanium dioxide, sulisobenzone, or zinc oxide. The cause of these debates is the lack of clear regulations and studies that show what amount of mineral to use to achieve the desired level of protection. To ensure you choose the best sunscreen with zinc oxide and titanium dioxide for the largest (and very vulnerable) organ in your body, you should look for a number of must-have features in your sunscreen: My personal rule of thumb is: choose the formula that offers a higher percentage of Zinc Oxide. We have rounded up the best zinc oxide sunscreen lotions available on … Zinc oxide: is a very effective sunscreen regardless of your skin color. ( source ) I don’t know that I’d avoid titanium dioxide with as much vehemence as I avoid oxybenzone, for example, but pure zinc oxide sunblocks are probably the best choice. Choose Brand A. Save my name, email, and website in this browser for the next time I comment. Ex- I just bought a SPF 50 Australian sunscreen with 4% zinc oxide and 4% titanium dioxide. Zinc oxide forms cement-like products when mixed with a strong soln of zinc chloride or with phosphoric acid, owing to the formation of oxy-salts; When ointments containing zinc oxide and water were melted and exposed to UV light, hydrogen peroxide was produced, in the case of fatty ointments containing cholesterol, amt of hydrogen peroxide was less and the cholesterol was partly oxidized. Best Reef Safe Sunscreen List [ Ocean & Eco Friendly ] 2020, 14 Best Scuba Fins in 2020 – Reviews and Diver’s Guide, 5 Best Full Face Scuba Diving Masks in 2020. A hybrid of the two (a zinc oxide and titanium dioxide sunscreen) is suitable, but physical sunscreens that rely purely on titanium dioxide should be used sparingly. With microfine zinc oxide and titanium dioxide, it’s specially formulated to stay … We have rounded up the best zinc oxide sunscreen lotions available on the market right now. While you might be tempted to Choose Brand B because it offers a higher total percentage of actives (8%) than Brand A (5%), you’re getting more Zinc Oxide in Brand A. I would choose Brand A, all other things being equal. This concentration corresponds to an SPF of 24, which is on the lower side but still ideal for people with darker skin. How To Choose Products For Irritated Eyes, Irritated Eyes? Snorkelsandfins.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com. Any sunscreen with zinc or titanium will do, but at the right percentage. Same notes for Zinc Oxide apply. 3 doctors agree It is the only one of its kind recognized by the Food and Drug Administration (FDA) as a Category I skin protectant. 2. Why Should I Purchase Zinc Oxide Sunscreen? Zinc oxide (ZnO), the most ionic of the wurtzite semiconductors, finds major applications in catalysis and as variable resistors. I might choose Brand B over Brand A if it contained good antioxidants and Brand A didn’t. High in zinc oxide: For adequate (SPF 30 or higher) protection, the concentration of zinc oxide should be at least 20 percent. Concentrations between 15 and 20% correspond to … Yikes Low in titanium dioxide: While it does offer good sun protection, titanium dioxide is usually the culprit when sunscreens leave a grey or white cast, says Dr. Laughlin. A lot of other sunscreens I find have 10% zinc oxide or above. Skin allergies triggered by ointments and lotions containing zinc oxide are very rare. For many people the zinc oxide sunscreens seem to last all day. What’s important is the amount of it, known as the percent concentration. However, this is far from the truth. If sensitivity occurs in the form of rash or irritation, discontinue use. FDA sunscreen rules allow any type of titanium dioxide or zinc oxide to be used in sunscreens (FDA 2011a). From 350-400 nanometers, titanium dioxide does little to protect you while zinc oxide has you covered. What percentage of zinc oxide should be in sunscreen? Using a sunscreen dedicated for this area, such as this one, is a good way to get the protection you need, without worrying about it running into and stinging your eyes. So, if you’ve ever applied a sunscreen that left a white, powdery cast on your body, it most likely contained zinc oxide as a key ingredient. In this article, we will tell you what zinc oxide is and why its presence in sunscreen shouldn’t concern you. Quite often, a formula will combine both. What percentage of zinc oxide should be in sunscreen? This active compound present in biodegradable sun lotions sits on your skin and forms a protective barrier against the harmful rays. Zinc oxide is defined as a physical blocker of UV rays. Zinc Oxide: 5% minimum; 10-20% is ideal. When outdoors, sunscreen should be reapplied approximately every two hours, or as often as the label says. Despite a high concentration of zinc oxide (25 percent), this silky sunscreen serum(!) Look for a sunscreen that contains at least one of the following, Leffell says: ecamsule, avobenzone, oxybenzone, titanium dioxide, sulisobenzone, or zinc oxide. There have been reported sporadic cases of allergies and respiratory toxicity related to aerosolized products. 9 Clean Freak Nutrient Boosted Daily Scented Sunscreen. Zinc oxide is one of the main active ingredients in these lotions, and the questions arise spontaneously: what is zinc oxide? With microfine zinc oxide and titanium dioxide, it’s specially formulated to stay … Here’s a breakdown of the amount of zinc oxide in the most common skincare products you’re using: Sunscreens – 25-30% Makeup Products – 10-19% In an attempt to safeguard marine life and protect coral reefs, many manufacturers of skin care products have started to launch their lines of biodegradable sunscreen. 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