50 NATURAL INGREDIENTS
The growing role of microalgae in cosmetics
Laia Sallan Trepat - Special Chemicals
The integration of microalgae into the cosmetics industry has acquired significant attention in these past years due to their impressive nutritional, antioxidant, and regenerative properties. These microorganisms have proven themselves to be indispensable in skin and hair care formulations, offering a wide range of benefits that align with modern consumer demands for natural and effective ingredients. From enhancing the skin’s barrier function to
promoting cellular regeneration, microalgae can provide a rich source of bioactive compounds that meet the needs of different cosmetic applications. However, as concerns about environmental impact and resource exhaustion continue to rise, the cosmetics industry is increasingly turning its focus toward more sustainable and efficient production methods. SCH AlgaeTech™, the latest range of biotechnological actives derived from microalgae developed by Special Chemicals, exemplifies this shift through its advanced closed photobioreactor technology. This system is able to create a highly
controlled environment for microalgae cultivation, ensuring consistent quality and purity of extracts while minimizing ecological harm. Unlike traditional open systems, these closed photobioreactors guarantee the production of high-quality microalgae extracts free from contaminants and variations, ensuring reliable results for cosmetic formulations. The transition to closed photobioreactor
technology addresses critical challenges in sustainability, aligning with the growing demand for eco-conscious beauty products. These advanced systems allow precise control over key factors such as light intensity, nutrient availability, and CO2
sustainability, where reducing carbon footprints and conserving resources are central to product development and innovation. Thus, the adoption of closed
photobioreactors, particularly those powered by SCH AlgaeTech technology, represents a significant leap forward in the cosmetics industry. By incorporating these innovations, brands can provide consumers with not only superior, science-driven cosmetic solutions but also ensure that their products contribute positively to the health of the planet.
management, essential for
maximizing the production of valuable bioactive compounds like antioxidants, essential fatty acids, and pigments, between many other possibilities. Moreover, the environmental advantages
of closed photobioreactors extend beyond just quality control. By reducing dependency on open, outdoor cultivation, these systems minimize the risk of contamination and ensure a more resource-efficient process. Water use is optimized through recycling
systems, and energy consumption is reduced through the integration of renewable energy sources such as solar or wind power. These technological advancements align with the broader industry movement toward
PERSONAL CARE March 2025
From traditional cultivation to closed photobioreactors Historically, microalgae have been cultivated using open systems, such as outdoor ponds that rely on natural sunlight to promote growth. While these methods are straightforward and involve low initial costs, they come with significant challenges, such as susceptibility to contamination and limited control over environmental factors. In response to these limitations, closed
photobioreactors have emerged as an innovative, controlled, and secure alternative for microalgae production, representing a major step forward for the cosmetics industry. Closed photobioreactors are advanced
systems designed to cultivate microalgae in a fully controlled environment, enhancing the reproducibility and scalability of cultures. Unlike traditional open systems, these reactors allow
precise adjustments of critical parameters, including temperature, light intensity, nutrient flow, pH, and carbon dioxide concentration. Constructed from transparent materials that
enable the penetration of natural or artificial light, these reactors allow very adjusted control over light intensity and spectrum, tailored to the specific requirements of each microalgae species that we might cultivate for different objectives. This meticulous control is essential because light directly influences photosynthesis, thereby determining the production of valuable bioactive compounds for cosmetics, such as antioxidants and essential fatty acids. Likewise, closed photobioreactors offer
significant advantages in terms of resource efficiency. By optimizing the use of water, nutrients, and carbon dioxide, these systems minimize waste and create a circular system where excess resources can be reused. This aligns with the growing emphasis on sustainable production processes within the cosmetics industry, where reducing environmental impact has become a priority. Additionally, the closed system design
mitigates the risk of cross-contamination from external sources, ensuring that microalgae biomass remains pure and free from unwanted contaminants. This is crucial for the creation of high-quality, safe, and effective cosmetic products that meet the highest industry standards.
www.personalcaremagazine.com
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