Chlorella vulgaris is a green eukaryotic microalgae that was first discovered in 1890. In skin care products, Chlorella vulgaris extract has been shown to stimulate collagen synthesis. Since collagen and elastin are responsible for the strength and elasticity of skin, preventing the degradation of these proteins is important for maintaining a youthful complexion.

It is in the class of Algae Extract which also include ahnfeltia concinna extract, alaria esculenta extract, algae exopolysaccharides, algin, alteromonas ferment extract, ascophyllum nodosum extract, asparagopsis armata extract, chlorella protothecoides, vibrio alginolyticus ferment filtrate, dunaliella salina (green algae) extract, hydrolyzed f-fucoidan, laminaria ochroleuca (kelp) extract, macrocystis pyrifera (kelp) extract, marine extract, parachlorella beijerinckii exopolysaccharides, padina pavonica thallus extract, plankton extract, porphyridium cruentum extract, pseudoalteromonas exopolysaccharides, chondrus crispus, tripleurospermum maritimum extract and vibrio alginolyticus ferment filtrate.

This ingredient is generally compatible with most skincare ingredients and can be used morning or evening.

• CosIng - European Commission Cosmetic Ingredients Database