Caloric restriction (CR) is a dietary approach that involves reducing calorie intake while maintaining adequate nutrient intake to promote longevity and healthspan. The concept of CR has been around for decades, and studies in animals have shown that it can extend lifespan and improve health outcomes. More recently, researchers have begun investigating the potential benefits of CR for the skin, and preliminary evidence suggests that it may promote healthy aging and improve skin health.

One of the ways that CR may benefit the skin is by reducing oxidative stress, which is a major contributor to skin aging. Oxidative stress occurs when there is an imbalance between free radicals and antioxidants in the body, leading to damage to cells and tissues. By reducing calorie intake, CR may help reduce oxidative stress and protect the skin from damage.

CR may also promote the production of collagen, which is a protein that gives the skin its structure and firmness. As we age, the production of collagen decreases, leading to wrinkles and sagging skin. However, animal studies have shown that CR can increase collagen production, leading to improved skin elasticity and a more youthful appearance.

In addition, CR may improve skin barrier function, which is important for protecting the skin from external stressors such as pollution, UV radiation, and bacteria. The skin barrier is made up of lipids and proteins that help keep moisture in and irritants out. Animal studies have shown that CR can increase the production of certain lipids that are important for skin barrier function, leading to healthier, more resilient skin.

Finally, CR may improve overall skin health by reducing inflammation. Inflammation is a natural response to injury or infection, but chronic inflammation can contribute to a range of health problems, including skin aging. Studies have shown that CR can reduce inflammation in the body, which may help protect the skin from damage and promote healthy aging.

It is important to note that CR is not a one-size-fits-all approach, and it is not appropriate for everyone. In particular, it is not recommended for pregnant or breastfeeding women, children, or individuals with certain medical conditions. In addition, it is important to ensure that adequate nutrient intake is maintained while practicing CR to avoid malnutrition.

While more research is needed to fully understand the potential benefits of CR for the skin, preliminary evidence suggests that it may promote healthy aging and improve skin health by reducing oxidative stress, promoting collagen production, improving skin barrier function, and reducing inflammation. However, it is important to approach CR with caution and to consult with a healthcare professional before making any major dietary changes. By taking a holistic approach to skin health, including diet, skincare, and lifestyle factors, we can help promote healthy aging and maintain beautiful, youthful-looking skin.

By Alexander Brosda, CEO Sokörpe Laboratories