Regulatory Status
For full compliance data across 55 jurisdictions, use the Substance Compliance tool.
Safety Data
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Arsenic/heavy metal bioaccumulation; fucoxanthin is a carotenoid — photostability should be verified in formulations
Regulatory Flags
Frequently Asked Questions
Is Sargassum Siliquastrum Extract safe in cosmetics?
Arsenic/heavy metal bioaccumulation; fucoxanthin is a carotenoid — photostability should be verified in formulations The EU classifies Sargassum Siliquastrum Extract as "permitted". Safety rating: GOOD.
Is Sargassum Siliquastrum Extract allowed in the EU?
Sargassum Siliquastrum Extract EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Sargassum Siliquastrum Extract do in cosmetics?
Sargassum Siliquastrum Extract functions as: Antioxidant; skin conditioning (source of fucoxanthin carotenoid) [^1_5]. It is classified as a cosmetic ingredient in our database. CAS number: Not individually assigned (note: fucoxanthin isolated from this species has CAS 3351-86-8) [^1_5].
What is the Margin of Safety for Sargassum Siliquastrum Extract?
adequate The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.
Compliance Tools
Check Sargassum Siliquastrum Extract compliance across multiple jurisdictions:
Related Ingredients
Is Sargassum Siliquastrum Extract in Your Products?
Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.
Try Piro Free →Analyze Your Full Ingredient List
Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Sargassum Siliquastrum Extract in your formulation.