Microalgae

This review highlights the potential of marine macroalgae as a largely untapped resource for developing new active ingredients in the cosmetic industry, emphasizing their role in supporting circular economy models by utilizing waste from other industrial sectors.

This study found that microalgal extract from Botryococcus terribilis exhibited antidepressant-like effects in mice by regulating neuroinflammation and modulating neurotransmitter systems.

This review highlights the potential of microalgae as sustainable sources for nutraceuticals and cosmeceuticals, emphasizing their applications in functional foods, dietary supplements, and cosmetics for roles such as anti-aging and photoprotection in alignment with sustainability principles.

This study found that an ethanolic extract from the microalga Tetrathelmis tetrathele exhibited anti-inflammatory effects, promoted the proliferation of certain skin and hair cells, and inhibited 5α-reductase activity, suggesting its potential as a therapeutic agent for preventing alopecia and enhancing scalp health.

This review article discusses the potential of macroalgae, including red, green, and brown varieties, in treating alopecia by stimulating hair growth in follicles, highlighting findings from 18 articles that suggest different types of algae possess anti-alopecia properties.

This review explores the extraction, characterization, and skin cosmetic effects of phenolic compounds and pigments from marine macroalgae, highlighting their documented benefits for skin health, such as whitening, moisturizing, photoprotection, and anti-aging effects, without adverse health impacts.

In this study, no signs of toxicity were observed in mice and rats given 100 mg/kg of Dunaliella salina daily for three months, while hemoglobin levels increased, suggesting its potential as a safe supplement.

This review discusses the characteristics, extraction strategies, and potential applications of plant and algal lipid droplets but reports no new empirical findings.

This review explores marine algae-derived phenolic compounds and their potential cosmeceutical benefits, but reports no new clinical results.

In this study, the researchers found that the chemical composition and color of the brown seaweed *Saccharina latissima* varied significantly depending on the harvesting period, site, and cultivation method, suggesting that environmental conditions play a key role in these variations.

In this study, nitrogen starvation in Chlorella sp. FC2 IITG led to increased lipid accumulation by altering the expression of enzymes involved in various metabolic pathways, suggesting potential for genetic engineering of microalgae.

This review discusses the importance of omega-3 fatty acids for human health and explores recent advancements in genetically modifying plants to produce these essential nutrients, but reports no new results.

In this study, researchers developed vegan exosome-like vesicles from microalgae that mimic mammalian exosomes, demonstrating promising in vitro, ex vivo, and clinical effects such as improved wrinkle depth and elasticity, making them a potential alternative in cosmetic applications.

This review discusses the potential of extracellular vesicles from various sources for skin rejuvenation and cosmetic use, noting promising results, especially with mesenchymal stem cell-derived vesicles, but reports no new clinical results.

This review discusses various natural substances used in scalp improvement cosmetics and reports their potential benefits, without providing new clinical results, and suggests more comprehensive studies are needed.

This paper reviews extraction methods for obtaining polysaccharides from brown macroalgae like Sargassum, highlighting their antiviral, antimicrobial, and antitumoral bioactivities in both in vivo and in vitro studies, while also discussing challenges in research and commercialization of Sargassum-based products.

In this study, researchers found that an ethyl acetate extract of the green microalga Scenedesmus deserticola significantly increased the viability of human dermal fibroblasts by over 20% compared to a control and identified a potent anti-UV compound, loliolide, through further fractionation.

In a comparative genomic study, researchers observed significant genetic differences among the three chemical races of the alga Botryococcus braunii, leading them to propose reclassifying these races as distinct species based on their unique genomic characteristics.

This review discusses the diverse applications of algae in non-energy sectors, including pharmaceuticals, food ingredients, pigments, and cosmetics, and reports no new experimental results.

This study found that a conditioner containing Spirulina platensis and Ascophyllum nodosum extracts improved hair shine and reduced combability force after 28 days of use.