Moderate Cosmetic Ingredient

Watanabea Reniformis Oil

INCI: WATANABEA RENIFORMIS OIL

CAS Number
Not assigned (microalgae-derived oil)
Function
Skin Conditioning, Emollient (microalgae lipid)
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted under general cosmetic provisions; no specific FDA review

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Very limited safety data; novel microalgae ingredient (*Watanabea reniformis* is a green microalga); no CIR or SCCS opinion; requires comprehensive supplier safety dossier; potential for contamination with algal metabolites; oxidative stability of the oil should be verified; full toxicological profiling essential before GMP-grade formulation

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Concern Level: High

Regulatory Flags

plant-oil

Frequently Asked Questions

Is Watanabea Reniformis Oil safe in cosmetics?

Very limited safety data; novel microalgae ingredient (*Watanabea reniformis* is a green microalga); no CIR or SCCS opinion; requires comprehensive supplier safety dossier; potential for contamination with algal metabolites; oxidative stability of the oil should be verified; full toxicological profiling essential before GMP-grade formulation The EU classifies Watanabea Reniformis Oil as "permitted". Safety rating: MODERATE.

Is Watanabea Reniformis Oil allowed in the EU?

Watanabea Reniformis Oil EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Watanabea Reniformis Oil do in cosmetics?

Watanabea Reniformis Oil functions as: Skin Conditioning, Emollient (microalgae lipid). It is classified as a cosmetic ingredient in our database. CAS number: Not assigned (microalgae-derived oil).

What is the Margin of Safety for Watanabea Reniformis Oil?

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.

Compliance Tools

Check Watanabea Reniformis Oil compliance across multiple jurisdictions:

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Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
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Substance Compliance
Check compliance across 55 jurisdictions
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
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Heavy Metal Limits
Compare limits across jurisdictions

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