Letters from the Press

Skin Longevity: How Nrf2 Supports Skin’s Natural Defences

September 07, 2026
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By Sandhini Jain

What Is Skin Longevity? Supporting Skin’s Natural Defence Over Time

Skincare has taught us that there is always something to fix: fine lines, dark spots, dullness, wrinkles or uneven skin tone. The answer is often to do more. Exfoliate more. Stimulate more. Use higher percentages of active ingredients and expect visible results as quickly as possible.

But skin is not simply a surface to correct. It is a living organ that constantly senses its environment, regulates moisture, responds to stress, repairs itself and interacts with microorganisms living on its surface. It has its own rhythm, natural defence systems and repair mechanisms. Supporting healthy skin doesn't always mean pushing these processes harder.

What Does Skin Longevity Mean?

Skin longevity isn't about making skin look younger than it is or trying to stop the natural ageing process. It's about supporting the biological functions that help skin remain healthy, balanced and resilient over time.

Skin already knows how to protect, regulate and repair itself. Rather than focusing only on temporary glow or instant results, a skin longevity approach considers the foundations of long-term skin health and how we can support the processes already taking place within the skin.

Oxidative Stress and the Skin

Every day, skin encounters external and lifestyle stressors including UV exposure, pollution, oxidative stress, changes in climate, over-cleansing and everyday stress. Over time, repeated exposure can place pressure on the skin's natural defence and repair mechanisms.

One of the ways skin responds to oxidative stress involves a cellular pathway called Nrf2 (nuclear factor erythroid 2-related factor 2).

Nrf2 plays a role in regulating the body's antioxidant and protective responses. When cells experience oxidative stress, activation of the Nrf2 pathway can help switch on genes involved in the cell's own antioxidant defence mechanisms.

Nrf2 and Skin Longevity

This is particularly interesting from a skincare perspective because it shifts the conversation away from simply applying antioxidants to the surface of the skin.

Instead, certain bioactive compounds are studied for their ability to interact with pathways such as Nrf2 and support the skin's existing response to oxidative stress.

It's a different way of thinking about skincare: not simply what can we do to the skin, but how can we support the skin in doing what it already knows how to do?

And that, ultimately, is at the heart of skin longevity: supporting the skin's natural defence, repair and resilience so it can continue functioning well over time.