After years of developing skincare products, I’ve picked up a few sun protection secrets along the way. Living in Hawaii, where the sun’s a year-round companion, I know firsthand how essential proper sun protection is—no matter the season.
Today, I want to clear up a common skincare concern: the difference between chemical and mineral sunscreens.
When I started Eavara, one of our top priorities was to create natural skincare that works in harmony with your skin, not against it. While sunscreen isn’t part of our lineup, it’s still a crucial step in any skincare routine—one I’m deeply passionate about.
So, even as summer waves goodbye, let’s turn up the heat on sun protection and explore the nitty gritty of chemical vs. mineral sunscreens. Trust me, your skin will thank you!
Before we discuss the specifics of chemical versus mineral sunscreens, it's important to understand how they generally work. Sunscreens protect our skin from harmful ultraviolet (UV) radiation, which can cause sunburn, early signs of aging, and increased risk of skin cancer.
There are two types of UV rays we need to protect against:
UVA rays: These harmful rays penetrate deep into the skin and cause premature aging and skin damage.
UVB rays: These affect the outer layer of skin and are the primary cause of sunburn.
Both chemical and mineral sunscreens protect against these harmful rays, but they work in different ways.
Chemical sunscreens work by absorbing UV radiation. They contain organic (carbon-based) compounds that undergo a chemical reaction when exposed to UV light. This reaction transforms the UV radiation into heat, which is then released from the skin.
Common ingredients in chemical sunscreens include:
Oxybenzone
Avobenzone
Octisalate
Octocrylene
Homosalate
Octinoxate
Lightweight texture: Chemical sunscreens tend to be thinner and spread easily on the skin, making them popular for daily use.
Invisible application: They usually don't leave a white cast on the skin, making them suitable for all skin tones.
Water-resistant formulations: Many chemical sunscreens are water-resistant, making them popular for beach and pool use.
Potential skin irritation: Some people may experience irritation or allergic reactions to chemical sunscreen ingredients. Ingredients like oxybenzone have even been linked to an increased risk of cancer.
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You can learn more about which skincare product ingredients could increase your cancer risk.
Delayed protection: Chemical sunscreens must be applied roughly 20 minutes before sun exposure to allow the ingredients to be absorbed and become effective.
Environmental concerns: Some chemical sunscreen ingredients, particularly oxybenzone, cause coral reef damage. This ingredient is so harmful, it has been banned in Hawaii.
Multiple ingredients required: Chemical sunscreens often combine several active ingredients to provide full protection against UVA and UVB rays.
Mineral sunscreens work differently. Instead of absorbing UV rays, they sit on the skin and physically block or deflect the sun's rays. Think of them as tiny mirrors on your skin, bouncing the UV radiation away.
The active ingredients in mineral sunscreens are:
Zinc Oxide
Titanium Dioxide
Humans have used these inorganic compounds for sun protection for thousands of years.
Immediate protection: Unlike chemical sunscreens, mineral sunscreens start working immediately.
Less irritation: Mineral sunscreens are generally better for sensitive skin as they're less likely to cause irritation or allergic reactions.
Longer shelf life: Mineral sunscreens' inorganic ingredients are more stable and less likely to degrade over time.
Broad-Spectrum protection: Both zinc oxide and titanium dioxide protect against UVA and UVB rays.
Reef-safe: Mineral sunscreens are safe for coral reefs and marine life, making them a more eco-friendly choice.
White cast: Traditional mineral sunscreens can leave a white tint on the skin, particularly on darker skin tones.
Thicker texture: Mineral sunscreens are thicker and can feel heavier on the skin. But our Botanical Facial Cleanser can wash away a full face of sunscreen after a day in the sun!
Can be drying: Some mineral sunscreens have a drying effect, which may not be ideal for dry or mature skin.
May transfer onto clothes: Mineral sunscreens can sometimes rub off clothing because they sit on top of the skin.
The sunscreen industry is always evolving. In recent years, we've seen significant advancements in both chemical and mineral sunscreen formulations.
New ingredients are being developed for chemical sunscreens that aim to be gentler on the skin and the environment. For instance, Tinosorb M and Mexoryl SX are newer chemical filters that offer excellent UVA protection. They are more stable and less irritating than certain older chemical filters.
The main focus in mineral sunscreens has been improving the products' aesthetics. Micronized and nano-sized particles of zinc oxide and titanium dioxide have been developed to reduce the white cast while maintaining effective protection. However, it's worth noting that the safety and environmental impact of nanoparticles are still being studied.
So, which type of sunscreen should you choose? The answer depends on various factors:
Skin type: Mineral sunscreens might be your best option if you have sensitive skin or are prone to reactions.
Activity level: If you're active outdoors or going swimming (in a pool!), you might prefer a water-resistant chemical sunscreen.
Daily use: You may find chemical sunscreens more appealing for everyday wear under makeup.
Environmental concerns: If you're worried about the impact on marine life, opt for reef-safe mineral sunscreens.
Skin tone: If you have a darker skin tone and are concerned about a white cast, consider chemical sunscreens or look for specially formulated mineral options.
As we look toward the future, the line between chemical and mineral sunscreens may start to blur. We're seeing more hybrid formulas combining both active ingredients to maximize protection and minimize drawbacks.
At Eavara, we're excited about the potential of natural ingredients to boost the efficacy of mineral sunscreens. Ingredients like red algae, which has natural UV-protective properties, or green tea extract, known for its antioxidant benefits, can complement the protection offered by zinc oxide.
We're also keeping a close eye on emerging technologies like DNA repair enzymes, which may be able to help reverse sun damage, and oral sunscreen supplements, which aim to boost the body's natural defense against UV radiation from the inside out.
Whether you prefer a chemical or mineral sunscreen, use it daily. Sun damage is cumulative, and protecting your skin every day, even when it's cloudy or you're indoors, is vital to maintaining healthy, youthful-looking skin.
Keep in mind that your skin is unique, and what works for someone else might not work for you. Feel free to experiment with different products to find the one that feels best on your skin and fits your daily routine. Your future self will thank you for the care you're taking today.
Aloha, stay sun-safe, and don’t forget to pamper your skin with our Pure Paradise Night Cream after a long day of fun in the sun!
*This blog offers health, wellness, fitness and nutritional information and is designated for education purposes only. You should not rely on this information as a substitute for, nor does it replace, professional medical advice, diagnosis and treatment. If you have any concerns or questions about your health, you should always consult with a physician or other health-care professional. Do not disregard, avoid or delay obtaining medical or health related advice from your healthcare professional because of something you may have read in this blog. The use of this information is solely at your own risk.
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