barrier

Polycyclic Aromatic Hydrocarbons

PAHs and AhR

PAHs are combustion chemicals from diesel exhaust, smoke, asphalt, charred food, and burnt materials. They stick to PM2.5 particles and ride into pores with them.

Once there, PAHs can bind to the Aryl Hydrocarbon Receptor, switching on pathways tied to pigmentation, inflammation, and faster visible aging.

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How Barrier addresses it

Barrier is built around patented, award-winning, silicone-free Solésence Kleair™ Technology: a non-nano mineral shield that delivers broad-spectrum SPF 50+ sun protection and pollution defense, paired with hyaluronic acid, sustainably-produced squalane, and organic jojoba oil. Barrier addresses PAHs in two steps: the mineral shield helps block PAH-loaded particles from reaching skin, while the antioxidant complex helps neutralize the free-radical cascade if exposure gets through.

Block

Mineral micro-film

Zinc oxide forms a physical layer over the stratum corneum, reducing direct contact between airborne particles and skin.

Neutralize

Antioxidant defense

The antioxidant complex helps intercept free radicals before they damage lipids, proteins, and skin cells.

Interrupt

AhR cascade support

Reducing particle contact and oxidative stress helps lower the triggers that feed pollution-driven pigmentation and inflammation pathways.

Pollution doesn't just sit on your skin. It hijacks the receptors in it.

Other culprits of bad skin

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Particulate Matter

PM2.5 / PM10

Particles small enough to settle on skin, clog pores, and in the case of PM2.5, lodge inside follicles.

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O3

Ozone

The bad ozone at face level, formed when sunlight cooks vehicle exhaust into smog.

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Exhaust Gases

NOx / SOx

Invisible exhaust gases that react with skin oils and weaken the outer barrier.

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The Chelation Story

Heavy Metals

Trace metals from brakes, tires, pipes, and old buildings that can amplify pollution damage.

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The Underrated Angle

Indoor Air

The shared, recirculated air in offices, gyms, apartments, studios, and subway cars.

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References

  1. 01Paik K, Na JI, Huh CH, et al. Particulate Matter and Its Molecular Effects on Skin: Implications for Various Skin Diseases. International Journal of Molecular Sciences, 2024.
  2. 02de Jager TL, Cockrell AE, Du Plessis SS. Ultraviolet Light Induced Generation of Reactive Oxygen Species. Advances in Experimental Medicine and Biology, 2017.