Blueberries: A Natural Remedy for Skin Health
Early skin aging caused by environmental stressors such as air pollutants, ozone, and UV radiation is a growing concern. The human skin has a defense system against these external agents, but chronic exposure can overwhelm these mechanisms.
Recent studies indicate that the topical application and dietary supplementation of natural compounds, such as blueberries, could be an effective strategy to counter environmental damage.
This article explores the findings of recent research to support the hypothesis that blueberries are a promising agent for improving skin health, emphasizing the need for further studies to fully understand the involved mechanisms.
Topical Application of Blueberries
In-depth studies on the topical application of natural bioactives suggest that compounds containing vitamin E, vitamin C, and resveratrol, found in blueberries, may protect the skin from damage caused by ozone and UV rays. The direct application of blueberry extracts has been shown to reduce skin inflammation and preserve barrier function.
In 3D cellular models and skin explants, blueberry extract prevented the activation of inflammatory pathways and reduced UVB radiation-induced collagen degradation. In a clinical study, the topical application of blueberry extract on diabetic women showed significant improvements in wrinkle formation, smoothness, and skin hydration.
Dietary Supplementation with Blueberries
Dietary supplementation with blueberries is associated with several health benefits, including improved vascular function and the reduction of inflammation and oxidative stress. Studies have demonstrated a significant reduction in inflammatory markers following blueberry supplementation, but results on the effect of blueberries on skin inflammation are conflicting.
Some clinical studies have reported improvements in skin roughness and elasticity following supplementation with specific blueberry extract-containing supplements. However, further clinical research is needed to confirm the positive effects of blueberries on skin aging and health.
Role of the Intestinal Microbiome
The consumption of blueberries not only directly affects skin health but can also modulate the intestinal microbiome. The intestinal microbiome is linked to various skin conditions, and maintaining microbiota balance can positively influence the skin. Studies have highlighted changes in the composition of the intestinal microbiome in response to blueberry consumption, with an increase in beneficial bacteria associated with a reduction in oxidative stress and intestinal inflammation.
Conclusive Observations
In conclusion, blueberries emerge as a promising natural remedy for improving skin health, both through topical application and dietary supplementation. However, further research is needed to fully understand the physiological mechanisms involved and the duration of beneficial effects. The combination of topical and dietary interventions could represent a comprehensive approach to counteracting early skin aging and protecting the skin from environmental stressors. Ongoing research in this direction may lead to innovative developments in nature-based skincare.
If your company is interested in developing and/or producing a blueberry-based product,
Source: Ivarsson, J., Jr.; Pecorelli, A.; Lila, M.A.; Valacchi, G. Blueberry Supplementation and Skin Health. Antioxidants 2023, 12, 1261. https://doi.org/10.3390/antiox12061261
