Sunscreen

A marine-inspired sunscreen ingredient made by E. coli

Spent hop derived from beer production is incorporated into sunscreen

Researchers at the University of São Paulo discovered that spent hops can be used as an active ingredient in sunscreens. The study found that the reused substance is more effective than traditional substances, due to the elimination of volatile compounds involved in beer production.

Protect your skin from UV damage for as little as $40 a year

Researchers found that sunscreens with the same SPF of 50 and active ingredients can range from $0.04 to $3.79 per application, highlighting huge variations depending on product price and skin exposure.

UCLA researchers develop mineral sunscreen that reduces white cast

Researchers at UCLA Health Jonsson Comprehensive Cancer Center developed a new zinc oxide formulation that significantly reduces the white, chalky cast associated with traditional mineral sunscreens. The tetrapod-shaped particles provide strong protection against UV radiation while staying evenly distributed in the sunscreen.

Natural sunscreen compounds show potential to support skin health and blood pressure

Researchers discovered that mycosporine-like amino acids (MAAs) can block a key enzyme involved in blood pressure control and offer antioxidant effects. MAAs are naturally occurring compounds found in algae and cyanobacteria, which also act as natural sunscreens.

Two-dimensional TiO2 ultraviolet filters for sunscreens

Researchers unveil ultra-thin TiO2 flakes that outperform traditional nanoparticles on transparency, penetration, phototoxicity and spectrum. The new sunscreen platform achieves unparalleled NAF, negligible skin permeation and reduced DNA-damage risk.

Between hype and misconception: common misunderstandings about food supplements

The BfR emphasizes that vitamins and minerals are essential but unnecessary additional intake can lead to health issues. The institute also discusses various health risks associated with food supplements, including plant-based ingredients.

Assessing the potential of genotoxicity and phototoxicity of triazine UV filters

Researchers found no significant genotoxic effects of triazine UV filters in bacterial reverse mutation, chromosomal aberration, and micronucleus assays. Phototoxicity assessments also confirmed safety using 3T3 neutral red uptake and guinea pig models. The results support the use of these filters in topical applications.

TikTok teen skin-care routines are harmful

A study found that teenage girls using multiple products on their faces increase the risk of skin irritation and allergy. The average cost of a daily skin care regimen is $168, with some costing over $500.

The combined use of insect repellent and sunscreen reportedly reduces UV protection

Researchers from CNRS found that applying a mixture of sunscreen and insect repellent simultaneously decreases UV protection. The study used skin biopsies and computer tool analysis to measure the stress response of skin cells to radiation.

Blind to the burn: Misconceptions about skin cancer risk in the US

Researchers investigated skin cancer risk perceptions and sun-protective behaviors in US adults, finding associations between sociodemographic factors and sunburn risks. Higher education levels, Hispanic origin, and income groups were linked to lower sunburn risks, while married or partnered individuals had higher risks.

Sunscreen's potential impact on marine life needs urgent investigation

New study highlights significant gaps in understanding how sunscreens affect marine ecosystems, with chemicals entering the environment through various pathways. Researchers emphasize the need for comprehensive studies to understand the effects of UV filters on marine life and potential risks to human health.

This prototype sunscreen protects your skin and cools you off, too

A new formula protects against both UV light and heat from the sun using radiative cooling. The prototype sunblock kept human skin up to 10.8 F (6.0 C) cooler than bare skin, demonstrating SPF of about 50 and no irritation.

Lignin-based sunscreen offers natural and high-performance UV protection

Researchers developed a lignin sub-microsphere loaded with TiO2 for enhanced sunscreen capabilities, achieving SPF 42.93 and improved color properties.

New project to tackle tanning perceptions in young people, offering crucial boost to sun-safety education in Wales

A Swansea University-led project aims to address the concerning rise of skin cancer in Wales by exploring current perceptions of tanning among children, parents/carers, and educators. The results will support the development of a new sun-safety educational toolkit for the Welsh curriculum.

New study explores the sun’s effects on the skin microbiome – it can create a damaged skin barrier

Researchers investigated solar radiation's effects on skin microbiome, discovering it can create a damaged skin barrier. The study proposes innovative sun protection methods that safeguard both skin integrity and microbiome balance.

Turning back the clock on photoaging skin

Researchers found that injecting cross-linked hyaluronic acid dermal filler into photoaged skin stimulates collagen production within weeks, leading to short-term and long-term clinical improvements. The filler promotes the accumulation of new collagen over time, reducing wrinkles and improving skin elasticity.

Traces of sunscreen agents in the snow at the North Pole

Researchers discovered traces of sunscreen agents in Arctic snow, with highest concentrations found in winter. The study suggests these contaminants are transported from lower latitudes via atmospheric circulation.

‘Super melanin’ heals skin injuries from sunburn, chemical burns

Scientists developed a synthetic melanin that accelerates wound healing and protects against sun damage. The cream also quiets the immune system, allowing for continuous repair and reducing inflammation.

The sunscreen paradox: McGill University researchers warn of ‘false sense of security’

Researchers at McGill University found that people who use sunscreen are more likely to develop skin cancer due to inadequate application or excessive sun exposure. Sunscreen is not the most effective way to protect against skin cancer, with clothing and avoidance being better options.

UMass Amherst researcher shines light on effectiveness of school sunscreen legislation

New research by UMass Amherst economist Brandyn Churchill links state-level 'SUNucate' laws to increased interest in sun protection, with a notable increase in sunscreen use among high school students. The legislation is associated with higher Google search volumes and awareness among historically low-users.

Tubing and swimming change the chemistry and microbiome of streams

Researchers found human metabolites, pharmaceuticals, illicit drugs, and sunscreens in stream water, altering chemical and microbial fingerprint. Human recreation also stirred up sediments, raising metal concentrations and potentially affecting wildlife.

Hole in one, not hole from sun

A new study from the University of South Australia reveals that golfers have a higher lifetime prevalence of skin cancer compared to the general population. The research highlights the importance of sun protection strategies for golfers, who spend extended periods in the sun.

Sunscreen leaching poses minimal threat to aquatic wildlife

New research reveals that sunscreen contamination may be less harmful to wildlife than previously thought, with exposure posing a low risk to small aquatic animals compared to individual chemicals.

One step closer to developing a potentially ultraprotective sunscreen from our own melanin

Researchers at McGill University have made a major breakthrough in understanding the fundamental structure of melanin, a pigment that gives humans their skin, eye, and hair color. The study revealed that a specific component of melanin can convert light into heat across all wavelengths, providing broad-spectrum protection.

‘Green’ way to extract hair compounds that could be used for bandages, sunscreens

Researchers have developed a simple green process to extract both keratin and melanin from human hair without harsh chemicals or excessive waste. The extracted compounds have antioxidative properties and can help shield against ultraviolet light, making them suitable for biomedical applications.

Natural molecule enhances sunscreen efficacy without increasing concentration of conventional UV filters

A study found that adding rosmarinic acid to sunscreen increases sun protection factor by over 41% and reduces the need for synthetic chemicals. The natural antioxidant also provides anti-aging benefits, making it a potential multifunctional compound for improved skin health.

Coral-friendly sunscreen provides better UV protection than existing options

Researchers developed a coral-reef-friendly sunscreen by using polymerization to create large molecules that block UV radiation without penetrating skin or coral. The new filter was found to be more effective at preventing sunburn in mice than existing sunscreens, while also being safe for coral and algae.

Gene cluster reshuffling drives natural sunscreen evolution in lichens

Lichen-forming fungi have evolved unique gene clusters to produce orange 'sunscreen' pigments, allowing them to thrive in sunny environments. The discovery of a critical ABC transporter gene within the pigment gene cluster provides a potential hypothesis for toxicity avoidance in these organisms.

Fossil pollen 'sunscreen' proves role of ozone depletion in largest mass extinction

Fossil pollen contains compounds that function like sunscreen, protecting plants from UV-B radiation. The discovery supports the theory of a collapse of the Earth's ozone layer contributing to the end-Permian mass extinction event.

New major survey finds ‘healthy’ suntan myths persist despite warnings about skin cancer and aging

A new survey of 17,000 Europeans found that 8 in 10 believe tans are attractive and healthy, despite decades of awareness campaigns linking sun exposure to skin cancer and aging. The study also revealed low levels of adherence to sun protection habits, with only 1 in 10 using all forms of protection.

Take the burn out of sunscreen testing: Experts

Researchers propose a roadmap for developing reproducible human-free sunscreen testing, reducing ethical concerns and increasing innovation in sunscreen development. The Australian Radiation Protection and Nuclear Safety Agency and Cancer Council Victoria support the shift, emphasizing the importance of sun protection and prevention.

White iron rust material provides safe UV protection

Researchers developed an iron oxide-based ultraviolet-absorbing powder material, which can neutralize UV radiation and is safer than titanium dioxide. The material was found to have comparable performance and stability to TiO2 materials currently used in sunscreens.

How stressed-out plants produce their own aspirin

Researchers discovered that stressed plants produce salicylic acid, a protective hormone, to counteract stress caused by climate change. This discovery could help plants survive increasing stress and ultimately protect the food supply.

'Honey, don't forget the sunscreen!' Three beliefs that affect sunscreen use by older adults

A new study found that people over 50 are more likely to use sunscreen if they believe it prevents sunburn, while those who think it takes too much time are less likely. The researchers suggest using reminders from romantic partners or focusing on skin cancer risk as effective messaging strategies.

Understanding how sunscreens damage coral

A new Stanford University study reveals that sunscreens containing oxybenzone can damage coral reefs, hastening their demise. The researchers found that oxybenzone forms damaging radicals when exposed to sunlight and can also disrupt coral defense mechanisms.

Consumer preferences for tinted sunscreen highlight lack of inclusion for people of color

New research found that 62% of tinted sunscreens have only one shade option, with tone compatibility being the most important criterion. The study suggests that the beauty industry and dermatologic field need to improve diversity and offer more options for tinted sunscreen formulations tailored to people with skin of color.

Sunscreen doesn’t protect as well as it could: Here is what is missing

A new study at the University of Bath found that a key ingredient is missing from all sunscreens, leaving skin vulnerable to damage. The researchers identified iron-trapping extracts that can improve protection against UV rays and oxidative stress, reducing the risk of aging and cancer.

First anti-aging, coral safe sunscreen with Methylene Blue hits the market

Mblue Labs releases a coral-safe, broad-spectrum sunscreen containing Methylene Blue, which repairs photo-aging and delays skin aging. The product replaces Oxybenzone, a chemical UV blocker linked to coral reef destruction, providing safer protection for consumers and the environment.

Sun protection knowledge, behaviors of US youth

A survey study of US youth aged 14-24 found that they understand the short-term risks of sun damage, yet experience high numbers of self-reported burns. Despite using sunscreen, nearly all participants reported skin injuries.

Some sunscreen mixtures lose effectiveness and become harmful during sun exposure

Researchers discovered that zinc oxide degrades other UV absorbers, reducing UVA protection by up to 91.8% after two hours of sunlight exposure. This could lead to increased formula toxicity and decreased sunscreen effectiveness, prompting calls for innovative new ingredients.

OSU study: After two hours, sunscreen that includes zinc oxide loses effectiveness, becomes toxic

A new OSU study reveals that sunscreen containing zinc oxide loses its effectiveness and becomes toxic after just two hours of exposure to ultraviolet radiation. The research used zebrafish to test the toxicity of photodegradation products, finding significant increases in defects in the fish.

Mixing mineral and chemical sunscreens may limit protection against UVA

Researchers found that combining zinc oxide with small-molecule UV filter ingredients reduced UVA protection by 84.3-91.8% compared to non-mineral sunscreens. The study also showed toxic effects on zebra fish embryos when exposed to sunscreen mixtures containing zinc oxide.

Corals' natural 'sunscreen' may help them weather climate change

Researchers studied blue rice corals, which produce a natural sunscreen pigment that may help them recover from bleaching and thrive in warmer oceans. This discovery sheds light on how some coral species can better withstand climate change and ocean warming.

Research shows potential new sunscreen is coral-safe and provides more UVB/UVA protection

Methylene Blue, a century-old medicine, has been found to be an effective UVB blocker that absorbs UVA and UVB rays, promotes DNA damage repair, and is safe for coral reefs. The study suggests it could become an alternative sunscreen ingredient, supporting the environment and human skin health.

Everything you want to know about sunscreen

Sunscreen reduces skin cancer risk by blocking solar radiation; use of sunscreen is crucial beyond just sun protection, also for premature aging prevention.

No nanoparticle risks to humans found in field tests of spray sunscreens

A Penn State research team conducted field tests on three commonly used mineral-based aerosol sunscreens, finding trace nanoparticles but at safe levels. The study suggests that the canister design and active ingredients are unlikely to produce vastly different amounts of nanoparticles.

Study reveals new findings on nature's UV sunscreens

A new study by Swansea University scientists has found that mycosporine-like amino acids, nature's UV sunscreens, are increased when exposed to far-red light. This discovery challenges current understanding of their role in temperature regulation and environmental balance.

Common sunscreen ingredients prove dangerous for freshwater ecosystems

Research by University of Alberta biologists reveals that common sunscreen ingredients, such as avobenzone and oxybenzone, are detrimental to freshwater-dwelling crustaceans like the water flea Daphnia magna. Long-term exposure can be lethal, even at short distances from popular beach areas.

Effect of face-aging app on skin cancer protection behavior

A face-aging mobile app reduced UV exposure awareness in Brazilian teens, increasing sunscreen use and protective behaviors.

Study shows biocell collagen ingestion reduced signs of UVB-induced photoaging

A new study published in Journal of Functional Foods finds that daily BioCell Collagen ingestion reduces wrinkles, increases skin elasticity, and maintains hyaluronic acid content in humans. The supplement's unique matrix of hydrolyzed collagen type II peptides, chondroitin sulfate, and hyaluronic acid helps combat UVB-induced photoaging.

Study assesses absorption, blood levels of active ingredients in sunscreen

A randomized clinical trial evaluated the absorption of six sunscreen active ingredients in four formulations, with all ingredients surpassing FDA thresholds for potentially waiving additional safety studies. The study highlights the need for further research on sunscreen ingredient exposure and its effects.

'Flamenco dancing' molecule could lead to better-protecting sunscreen

Researchers have discovered a molecule that absorbs ultraviolet light and then disperses it in a 'flamenco-style' dance, making it ideal for use as a UV filter in sunscreens. The molecule is eco-friendly, easy to synthesize, and lasts longer than industry-standard sunscreens.

Green chemists find a way to turn cashew nut shells into sunscreen

A team of green chemists from the University of the Witwatersrand has developed a sustainable method to produce potential sunscreens using cashew nut shells. The new aromatic compounds show good UVA and UVB absorbance, protecting humans, livestock, and polymers from harmful sun rays.

Sunscreens release metals and nutrients into seawater

Sunscreens release aluminum, silica, and phosphorous into seawater after UV treatment, potentially harming marine ecosystems. On a typical summer day at the beach, beachgoers could increase coastal waters' aluminum levels by 4% and titanium by almost 20%

#BeatEngland, beat sunburn

A new type of UV detection sticker has been shown to effectively remind people to reapply sunscreen during outdoor events. The study found that 80% of participants with the stickers reapplied sunscreen within a day, compared to 68% in the control group. The stickers were well-received by fans and may help reduce sunburn cases in Queens...

Pinterest homemade sunscreens: A recipe for sunburn

A study found that nearly all Pinterest pins for homemade sunscreens positively portrayed their effectiveness but offered insufficient UV radiation protection. The researchers emphasized the importance of using commercially sold and regulated sunscreen products to protect against skin cancer.

Does sunscreen compromise vitamin D levels?

Researchers found that using high UVA protection factor sunscreen allows for better vitamin D synthesis due to increased UVB transmission. Despite concerns, optimal sunscreen use does not harm vitamin D production, according to a new study published in the British Journal of Dermatology.

Clinical trial looks at absorption levels of sunscreen active ingredients into bloodstream

A clinical trial found that all four tested sunscreen active ingredients (avobenzone, oxybenzone, octocrylene, and ecamsule) were detected in blood samples at levels exceeding the FDA's recommended toxicology threshold. The study's limitations include lack of exposure to heat, sunlight, or humidity, which may impact absorption rates.

Sunscreen use could lead to better blood vessel health

Researchers found that sunscreen and sweat on the skin can protect blood vessel function from UVR exposure, preserving nitric oxide levels. This protective effect may benefit individuals who spend extended periods outdoors, reducing the risk of skin vascular dysfunction.