[Getty Images Bank]
[Getty Images Bank]

National Geographic has spotlighted South Korea's sunscreen technology, calling the country a global leader in sunscreen innovation.

The American science publication reported June 23 (local time) that South Korea's cosmetics research and development has moved well beyond basic UV protection, producing next-generation products that combine skin barrier reinforcement, pollution defense and scalp protection in a single formula.

The outlet said sunscreen technology has advanced rapidly over the past 15 to 20 years, particularly in Europe and East Asia. Improvements in UV filter technology — which works by absorbing or blocking ultraviolet rays — have made it possible to develop products that cover a broader spectrum of wavelengths while lasting longer and feeling better on the skin.

South Korea has shown particular strength in combining UV protection with moisturizing serums, anti-inflammatory ingredients, niacinamide and centella asiatica (cica) — all components known to strengthen the skin barrier, the report said.

Korean sunscreens, it added, have evolved from simple shields against sun damage into comprehensive skincare products designed to protect skin from a wide range of environmental stressors.

National Geographic visited Kolmar Korea's UV Tech Innovation Lab to report on its current research. The lab recently developed a lightweight sunscreen formulated specifically for the scalp and has also proposed a new testing method to measure the degree of sun-induced hair damage.

Alongside this, researchers are working on two emerging technologies: an optical-refraction-based UV blocking system that forms a transparent protective film to deflect ultraviolet rays away from the skin, and a smart sunscreen technology whose formulation changes in real time in response to UV intensity, humidity and skin temperature.

The publication said researchers are driven by the question: "What if sunscreen could do so much more than prevent sunburn?"

The report also drew a sharp contrast in consumer habits: while sunscreen has become an essential daily skincare step in South Korea, only about 13 percent of Americans apply it every day.

Korean sunscreens are "widely recognized for their lightweight, fast-absorbing and cosmetically elegant formulations," the report said, giving them a competitive edge over traditional American products in terms of wearability.

National Geographic also noted that South Korea's beauty culture — long defined by a preference for fair, bright skin — has helped normalize daily sunscreen use, alongside the product's proven ability to prevent premature skin aging.

Regulatory differences between the two markets also played a role, the report said. The US Food and Drug Administration classifies sunscreen as a drug, subjecting it to stringent clinical requirements, and currently approves only 17 UV filters. South Korea and the EU, by contrast, permit more than 30, giving formulators considerably more room to innovate.

Some studies have raised concerns that certain UV filter ingredients may be absorbed into the bloodstream and potentially affect the kidneys or liver. Dermatologists, however, broadly agree that the health benefits of sun protection far outweigh the potential risks.

Henry Lim, a dermatologist at Henry Ford Hospital in Detroit, Michigan, said that while some filters "are definitely absorbed and in some cases can be detected in the blood for a few weeks, the clinical significance is not known." He added that the studies in question were conducted on animals or involved direct ingestion of UV filters.

Kolmar Korea said it aims to bring to market within five years a personalized sunscreen based on genomic data, as well as next-generation products that take into account the skin microbiome.

Song Da-sol, team leader at the UV Tech Innovation Lab, told National Geographic: "In the past, in Europe and the US, sunscreen was considered something you use only at the beach. Now it is becoming part of our daily life, part of personal protection, and Korea has been leading this trend very quickly."

South Korea's cosmetics industry continues to compete on both functionality and texture as it expands its influence in global markets. As sunscreen cements its place as a core daily skincare staple rather than a seasonal product, competition in the underlying technology is expected to intensify.


rainbow@heraldcorp.com