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Green algae extract

Green algae extract (Green algae extract (Chlorella))

INCI: Chlorella Vulgaris Extract

Extract from the green alga chlorella

At a glance

Suits
Especially mature skin

What can green algae extract help with?

Lack of firmness

Laboratory data only: in experiments with skin cells, an aqueous chlorella extract reduced the formation of the collagen-degrading enzyme MMP-1 and counteracted the reduction in gene activity for the collagen precursor caused by UVB light,[1] and an extract of a related chlorella species increased the amount of collagen.[2] Our data sheet mentions increased collagen production, but we have not seen the supplier's test. We have not found studies of whether it produces firmer skin in humans.

How it works

Chlorella vulgaris is a single-celled green alga – a microalga – that grows in freshwater. It is cultivated and used in both food supplements and skin care. The alga contains proteins, sugars and pigments such as chlorophyll and carotenoids, among other things.[3]

Collagen is the protein that gives skin strength and firmness. In laboratory experiments with skin cells, an aqueous chlorella extract reduced an enzyme that breaks down collagen when the cells are exposed to UVB light.[1] An extract of the related species Chlorella sorokiniana increased the amount of collagen in ageing cells.[2] Our product data sheet, which is based on information from the ingredient supplier, mentions increased collagen production, but we have not seen the test on which it is based and therefore cannot assess the claim. Results from cells are not the same as firmer skin in humans.

How to use it

  • You can find green algae extract in Firming Cream SPF 50 with sun protection factor 50 and in sets containing it.
  • Use the cream in the morning as the last step after cleansing and serum.
  • Apply it to the face, neck and chest.
  • The cream contains green algae extract alongside HPR and plant stem cell extract.

Products with green algae extract

  • Primer

    Fragrance-free makeup primer in three variants: green for redness, peach for ...

    3 colours
  • Firming Cream SPF 50

    Day cream with SPF 50 that gives visibly firmer skin in four weeks and protec...

    Fragrance-freeFragrance50 ml
  • Skin Balance Face serum 30 ml

    Our Skin Balance Face serum 30 ml provides a moisture boost against blemishes...

    30 ml
  • Acne Serum

    Fragrance-free serum for blemishes and large pores, which deeply cleanses por...

    20 ml
  • Multi Shampoo

    Shampoo for dry and itchy scalps that cools and soothes, revives and softens ...

    250 ml
  • Skin Balance mud mask 30 ml

    Our Skin Balance mud mask 30 ml provides a deep-cleansing face mask, 99 % nat...

    30 ml
  • Vitamin C serum 10 ml

    Our vitamin C serum 10 ml gives plenty of glow, smooths and evens the skin an...

    10 ml
  • Skin Balance facial toner 125 ml

    Soothing toner that moisturises and evens out the skin with algae and liquori...

    125 ml
See all 8 products with green algae extract

Frequently asked questions

Sources

The evidence is weak: the studies we found are laboratory experiments with skin cells. In one, an aqueous chlorella extract reduced the formation of an enzyme that breaks down collagen and counteracted the reduction in elastin levels and gene activity for the collagen precursor caused by UVB light.[1] In the other, a hot-water extract of the related species Chlorella sorokiniana increased the amount of collagen in ageing cells; the study was supported by the company behind the extract and does not provide evidence for our Chlorella vulgaris extract.[2] A 2026 review article concludes that clinical studies of chlorella in skin care are lacking.[3]

Our product data sheet mentions increased collagen production, but without the ingredient supplier's underlying test, we cannot assess the claim. We have not found studies of chlorella extract applied to human skin.

  1. Potential protective effect of fresh grown unicellular green algae component (resilient factor) against PMA- and UVB-induced MMP1 expression in skin fibroblasts (Eur J Dermatol, 2008)
  2. Chlorella Hot Water Extract Restores Collagen Production in Senescent Fibroblasts Through Reversal of miR-193a-5p-Mediated Translational Repression of COL1A1 (Nutrients, 2026)
  3. Chlorella-derived bioactives for cosmeceutical applications: functional properties, extraction strategies and translational challenges (Bioresour Technol, 2026)

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The struck-through price shows what the products in the set would have cost if they were bought individually.

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