Kelp Powder

INCI: MACROCYSTIS PYRIFERA POWDER

CAS Number
Varies by species — e.g., Macrocystis Pyrifera: 347174-92-9 (in extract form)
Function
Skin conditioning, humectant, anti-aging
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes No specific FDA restriction

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Kelp powder provides skin conditioning and humectant benefits but requires batch testing for heavy metals (arsenic, lead, cadmium) and iodine content; high iodine levels may cause sensitization in susceptible individuals on leave-on facial products.

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Concern Level: Moderate

Frequently Asked Questions

Is Kelp Powder safe in cosmetics?

Kelp powder provides skin conditioning and humectant benefits but requires batch testing for heavy metals (arsenic, lead, cadmium) and iodine content; high iodine levels may cause sensitization in susceptible individuals on leave-on facial products. The EU classifies Kelp Powder as "permitted". Safety rating: GOOD.

Is Kelp Powder allowed in the EU?

Kelp Powder EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Kelp Powder do in cosmetics?

Kelp Powder functions as: Skin conditioning, humectant, anti-aging. It is classified as a cosmetic ingredient in our database. CAS number: Varies by species — e.g., Macrocystis Pyrifera: 347174-92-9 (in extract form).

What is the Margin of Safety for Kelp Powder?

not established 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.

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