Ceramium Kondoi 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 publicly available nomenclature standards and reference materials from The Personal Care Products Council (PCPC) and the European Commission's CosIng database. Our analyses are based on technical data from these sources to ensure accuracy and reliability.

What Is Ceramium Kondoi Extract?

Ceramium Kondoi Extract is a beauty ingredient obtained from the red alga Ceramium kondoi, a sea plant that grows along temperate coastlines. Like other red algae it is naturally rich in sugars, amino acids and trace minerals that help it bind and hold moisture. This capacity made coastal communities use similar seaweeds as simple skin soothers long before modern skincare picked up the idea.

To create the extract today harvested algae are rinsed, milled and soaked in a water or water-glycol mix. Gentle heat and stirring pull the water-soluble compounds into the liquid. The mixture is then filtered, leaving a clear solution that is standardized and preserved so it can be safely added to creams and serums.

Because of its moisturizing nature most formulators place Ceramium Kondoi Extract in hydrating products like sheet masks, gel or cream moisturizers, lightweight essences and after-sun lotions. It also shows up in anti-aging blends where extra water retention can soften fine lines.

Ceramium Kondoi Extract’s Cosmetic Benefits/Uses

In skincare formulas Ceramium Kondoi Extract mainly does two jobs

  • Humectant – the natural sugars in the algae pull water from the air and the deeper layers of skin toward the surface giving the skin a plump, fresh feel
  • Skin conditioning – the amino acids and minerals smooth the skin’s surface improving softness and helping other actives spread more evenly

Who Can Use Ceramium Kondoi Extract

Ceramium Kondoi Extract is gentle and water based so it suits nearly every skin type. Dry and dehydrated skin tends to benefit most from its moisture binding sugars yet the extract is light enough that oily and combination skin do not feel weighed down. Sensitive skin usually tolerates it well because it lacks common irritants though anyone with a known seaweed or iodine allergy should be cautious.

Because the extract is harvested from a marine alga it is plant derived and contains no animal ingredients or by products making it acceptable for both vegans and vegetarians.

Current research shows no specific issues for pregnant or breastfeeding women when Ceramium Kondoi Extract is used topically in normal cosmetic amounts. Still, this is not medical advice and anyone who is expecting or nursing should share their full skincare routine with a healthcare professional to be safe.

The ingredient does not increase photosensitivity so it can be used morning or night without a higher risk of sunburn. It also pairs well with most common actives such as niacinamide, glycerin and hyaluronic acid giving formulators flexibility.

Potential Side Effects/Adverse Reactions

Individual reactions to Ceramium Kondoi Extract can vary. The points below list potential but unlikely side effects when the ingredient is applied topically in a correctly formulated product. Most users will not encounter these issues.

  • Allergic contact dermatitis – rare redness, itching or rash in those sensitive to marine algae or iodine
  • Mild stinging or tingling – can occur on very compromised or freshly exfoliated skin due to the extract’s mineral content
  • Breakouts – unusual but possible if the finished product contains other pore clogging ingredients rather than the extract itself
  • Contamination related irritation – if the extract is not properly preserved microorganisms can grow and trigger irritation

If any irritation or unusual reaction appears stop using the product immediately and seek advice from a qualified healthcare provider.

Comedogenic Rating

Rating: 0 out of 5. Ceramium Kondoi Extract is a water based, sugar rich humectant with no heavy oils or waxes that could block pores. Its molecules sit on the surface holding moisture rather than building up inside follicles, so it is very unlikely to trigger blackheads or pimples. This makes the extract a safe pick for people prone to acne or congestion. As with any formula the overall product matters, so check the full ingredient list if breakouts are a concern.

Summary

Ceramium Kondoi Extract mainly acts as a humectant and skin conditioner. Its natural sugars attract water into the upper layers of skin while amino acids and minerals smooth rough patches and improve suppleness. These effects help skin look fresher and more hydrated without a heavy feel.

The ingredient enjoys modest popularity, appearing most often in hydrating gels, essences and sheet masks rather than in every lotion on the shelf. Brands that highlight marine or algae themes use it more frequently, though it has not reached the mainstream fame of hyaluronic acid.

Overall Ceramium Kondoi Extract is considered very safe when used in cosmetic amounts, with few reports of irritation outside rare seaweed allergies. As with any new skincare product it is wise to patch test before full use to make sure your skin agrees with the complete formula.

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