Himanthalia Elongata Extract

HIM

8/10

Concern level

High concern

Seaweed-derived cosmetic extract from the thallus of Himanthalia elongata (brown algae). In cosmetics it is primarily used as a skin-protecting, antioxidant-supporting botanical extract and may contribute soothing, conditioning, and moisture-supporting effects. It is typically used in water-based or emulsion systems and is valued for its marine bioactive content, including polyphenols/phlorotannins and other hydrophilic constituents.

Pore-clogging

Non-comedogenic

Pregnancy

Safe

Regulatory

No data

Benefits

MoisturizingSoothingSupports Barrier Function

Chemical Properties

Typical Concentration

0.10% - 5.00%

CAS Number: 223751-70-0

Skin Type Compatibility

dry skin7/10

oily skin6/10

sensitive skin6/10

acne prone6/10

mature skin7/10

normal skin8/10

Interactions

incompatible with: No specific ingredient incompatibilities are well established for the extract itself., Formulation irritancy may increase if combined with high levels of acids, retinoids, or strong exfoliants in sensitive-skin products.

Risks & Warnings

Generally low risk, but as a botanical seaweed extract it can still cause occasional irritation or sensitization in very reactive skin. Marine/seaweed extracts may vary by harvest and processing, so impurity control matters. Avoid if the finished product contains a high level of accompanying solvents or fragrance components that are the actual irritants.

Vegan Cruelty-Free