Algae Extract
A generic category encompassing extracts from Chlorella, Spirulina, Dunaliella, and others, each rich in proteins, carotenoids, and polysaccharides.
Provides amino acids, beta-carotene, and polysaccharide film-formers for hydration and antioxidant action.
- Hydrating
- Antioxidant
- Soothes
- Marketing-friendly
What the evidence supports.
- All skin types
No notable contraindications reported.
Mid-routine serum or treatment step.
Concentration range in well-formulated products: 0.5%–5%
Year-round.
Spirulina/Chlorella supplements consumed for protein.
No specific deficiency signals tracked for this ingredient.
Often used as a label-claim ingredient at low %.
The research behind Algae Extract.
Every claim on this page traces to published research. Findings below are drawn from randomized trials and systematic reviews, each links to the study on PubMed.
Journal of Clinical and Aesthetic Dermatology, 2014
Journal of Drugs in Dermatology, 2019
Maturitas, 2017
Inflammation and Allergy Drug Targets, 2014
No flagged conflicts. Still, patch-test new actives.
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