Laminaria Ochroleuca Extract
Brown algae extract. Shows anti-inflammatory properties in vitro; works as a mild humectant on skin. No clinical RCTs available.
Evidence by route
Topical application
Algae extract with anti-inflammatory activity in vitro. Contains iodine; caution during pregnancy and thyroid conditions.
- Ferreira MS, Sousa Lobo JM, Almeida IF. Sensitive skin: Active ingredients on the spotlight. Int J Cosmet Sci. 2022;44(1):56-73.. PMID 34813665
How to read tiers A–F
- CWeak evidence. In vitro data, open-label studies, or expert consensus
Tolerability and safety
- Irritation potential
- Low
- Allergen risk
- Low
- Pregnancy
- Caution
- Suitable for
- Normal, Dry, Oily, Combination
- Use with caution
- Sensitive
About this ingredient
Laminaria Ochroleuca Extract is derived from a brown algae from Mediterranean and northwest African coasts. Contains fucoxanthin, fucosterol, polysaccharides, ω-3 fatty acids. Mechanism. Fucosterol in vitro inhibits phospholipase A2 – an inflammatory cascade enzyme. Fucoxanthin shows antioxidant activity in fibroblast culture (Heo 2010). On skin works as a mild humectant and potential anti-inflammatory ingredient. Where applied. Premium mature-skin serums – Sisley, Carita, Phytomer. Formula concentrations are not disclosed, typically 1–3%. Evidence base. No human RCTs. All clinical claims rely on in vitro work. Dermatology guidelines do not mention. Pregnancy – manufacturers recommend caution due to lack of data. Alternative for sensitive skin in pregnancy – niacinamide, panthenol, centella.
Frequently asked questions
Is Laminaria Ochroleuca Extract safe during pregnancy?
Laminaria Ochroleuca Extract should be used with caution during pregnancy. Consulting a dermatologist or OB-GYN is advisable.
What skin types is Laminaria Ochroleuca Extract for?
Laminaria Ochroleuca Extract suits: normal, dry, oily, combination. Use with caution in: sensitive.
What is Laminaria Ochroleuca Extract and what does it do in cosmetics?
Brown algae extract.
What's the INCI name for Laminaria Ochroleuca Extract?
The INCI name is Laminaria Ochroleuca Extract.
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