Chlorella Sp. Ksf0006 Extract: What Is It, Cosmetic Uses, Benefits & Side Effects

Curious about this ingredient? In this article we're explaining exactly what it is and why it's used within cosmetic formulations.
Updated on: June 24, 2025
Share:
Inside this article:

All information on this page is verified using The Personal Care Products Council's (PCPC) INCI database. Our ingredient analyses are based exclusively on PCPC's technical data to ensure accuracy and reliability.

What Is Chlorella Sp. Ksf0006 Extract?

Chlorella Sp. Ksf0006 Extract comes from a freshwater microalga that is grown under controlled conditions to keep it pure and safe. The extract is rich in proteins, amino acids, vitamins and antioxidants, which make it attractive for skin care. Although chlorella has been researched for decades as a health supplement, its use in cosmetics picked up after studies showed that its cell wall compounds can help protect skin and keep it hydrated. To create the extract, the algae are harvested, washed and broken down mechanically or with gentle enzymes so the skin-loving components can be pulled out with water or a mild solvent. The final liquid or powdered extract is then filtered and standardized before it goes into creams, serums, eye treatments, sheet masks and anti-aging formulations.

Chlorella Sp. Ksf0006 Extract’s Cosmetic Benefits/Uses

This ingredient brings two key actions to skin care products.

  • Skin conditioning: The mix of amino acids and sugars helps soften the skin surface, improve moisture retention and leave it feeling smooth and supple
  • Skin protecting: Natural antioxidants like carotenoids and vitamins support the skin’s barrier against everyday environmental stressors which can help reduce the look of premature aging

Who Can Use Chlorella Sp. Ksf0006 Extract

Most skin types can benefit from this algae extract. Its light water-based nature makes it comfortable for oily, combination and normal skin while the humectant sugars help soothe dry or sensitive skin. People with very reactive or algae allergies should tread carefully because even a gentle botanical can trigger a flare in those cases.

Because it is derived from a cultured freshwater microalga with no animal products involved, it is suitable for vegans and vegetarians.

Current research shows no specific issues for women who are pregnant or breastfeeding when the extract is used topically. Still, safety data is limited so this is not medical advice and anyone expecting or nursing should run new skincare past a doctor just to be safe.

The ingredient does not increase photosensitivity, meaning it will not make skin more prone to sunburn. Standard daytime sun protection practices are still recommended, especially if the product is paired with exfoliating or brightening actives.

Potential Side Effects/Adverse Reactions

Reactions to topical Chlorella Sp. Ksf0006 Extract differ from person to person. The points below list potential side effects, though most users will not experience them when the ingredient is formulated and used correctly.

  • Mild skin redness or stinging on very sensitive skin
  • Allergic contact dermatitis in individuals allergic to algae or seaweed
  • Breakouts if the finished product is overly rich for acne-prone skin
  • Heightened irritation when layered with strong exfoliating acids or retinoids

If you notice any of these issues stop using the product and consult a healthcare professional.

Comedogenic Rating

Rating: 1 (very low)

Chlorella Sp. Ksf0006 Extract is primarily water soluble and contains minimal oils or waxes, so it is unlikely to clog pores. Its lightweight molecules rinse away easily and do not sit on the skin surface the way richer plant butters or heavy silicones can. For this reason it is generally considered safe for people who are prone to acne or breakouts. Formulas that combine the extract with heavier emollients could raise the overall product’s pore-clogging potential, but the algae extract itself remains low risk.

Summary

Chlorella Sp. Ksf0006 Extract conditions skin by supplying amino acids and sugars that bind water, softening rough patches and boosting moisture levels. At the same time its natural antioxidants help guard the skin barrier from daily environmental stress which can lessen the look of early aging. While not as famous as retinol or hyaluronic acid the ingredient is gaining quiet popularity as brands look to marine and microalgae sources for clean beauty claims and sustainable actives.

Topical use is considered safe for most people with only rare irritation or allergy reports. As with any new skincare ingredient it is smart to perform a quick patch test before applying a full-face layer so you can confirm your skin agrees with it.

Was this article helpful?
More from Glooshi:
ADVERTISEMENT
Get all our top headlines in beauty.
Delivered right to your inbox each week. Zero spam, all goodness, opt-out at anytime.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Get the latest beauty news, top product recommendations & brand-exclusive discount codes direct to your inbox.
Send good feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Send bad feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Search