Deep within your skin, a silent battle is being waged. On one side are the structural proteins, collagen and elastin, that provide your skin with its youthful firmness and elasticity. On the other are a group of enzymes called Matrix Metalloproteinases (MMPs), which are responsible for breaking down these vital proteins. Understanding the role of MMPs in skin ageing is key to developing an effective anti-ageing strategy.
MMPs are a family of enzymes that are naturally produced by the body. They play a crucial role in many physiological processes, including wound healing and tissue remodelling. However, when their activity becomes dysregulated, they can cause significant damage to the skin’s extracellular matrix, the complex network of proteins and other molecules that provides structural support to the skin [1].
The Collagen-Destroying Cascade
One of the most well-known MMPs is collagenase, which, as its name suggests, is responsible for breaking down collagen. When the skin is exposed to environmental stressors such as UV radiation and pollution, the production of collagenase and other MMPs is increased. This leads to a cascade of events that results in the degradation of the skin’s collagen and elastin fibres, leading to the formation of wrinkles, sagging, and loss of firmness [2].
Factors That Increase MMP Activity:
| Factor | Effect on Skin |
|---|---|
| UV Radiation | Sun exposure is the number one cause of premature skin ageing. UV rays trigger a complex inflammatory response in the skin that leads to a dramatic increase in MMP activity. |
| Pollution | Airborne pollutants can generate free radicals in the skin, which can damage cellular structures and increase the production of MMPs. |
| Inflammation | Chronic inflammation, whether from lifestyle factors or underlying health conditions, can also contribute to increased MMP activity. |
Inhibiting the Saboteurs
The key to preventing the destructive effects of MMPs is to inhibit their activity. This can be achieved through a combination of lifestyle choices and a targeted skincare ritual.
- Sun Protection: The most important step you can take to protect your skin from the damaging effects of MMPs is to wear a broad-spectrum sunscreen every day.
- Antioxidants: Antioxidants, such as vitamins C and E, can help to neutralise free radicals and reduce the inflammatory response that leads to increased MMP activity [3].
- Targeted Ingredients: Certain skincare ingredients, such as retinoids and some peptides, have been shown to inhibit the activity of MMPs and stimulate the production of new collagen.
At Truff’elle, our bio-fermented truffle extract is rich in polyphenols, which are powerful antioxidants that can help to protect the skin from the damaging effects of free radicals and inhibit the activity of MMPs. By incorporating our formulations into your daily ritual, you can help to protect your skin from the unseen saboteurs of ageing and maintain a youthful, radiant complexion.
References
[1] Pittayapruek, P., Meephansan, J., Prapapan, O., Komine, M., & Ohtsuki, M. (2016). Role of Matrix Metalloproteinases in Photoaging and Photocarcinogenesis. International journal of molecular sciences, 17(6), 868.
[2] Quan, T., Qin, Z., Xia, W., Shao, Y., Voorhees, J. J., & Fisher, G. J. (2009). Matrix-degrading metalloproteinases in photoaging. Journal of investigational dermatology. Symposium proceedings, 14(1), 20–24.
[3] Burke, K. E. (2007). Interaction of vitamins C and E as better cosmeceuticals. Dermatologic therapy, 20(5), 314-321.