Moderate Cosmetic Ingredient

Rhus Semialata Leaf/Stem Extract

INCI: RHUS SEMIALATA LEAF/STEM EXTRACT

CAS Number
Not specifically assigned (botanical extract)
Function
Skin Conditioning, Antioxidant, Skin Protecting [^1_4]
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted in cosmetics; no specific restriction

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
moderate
Sensitization
moderate

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Combined plant parts increase variability; request CoA confirming urushiol-free status; primarily found in anti-pollution/city-defense formulations [^1_4]

⚠️
Concern Level: Moderate

Regulatory Flags

plant-extract natural-origin

Frequently Asked Questions

Is Rhus Semialata Leaf/Stem Extract safe in cosmetics?

Combined plant parts increase variability; request CoA confirming urushiol-free status; primarily found in anti-pollution/city-defense formulations [^1_4] The EU classifies Rhus Semialata Leaf/Stem Extract as "permitted". Safety rating: MODERATE.

Is Rhus Semialata Leaf/Stem Extract allowed in the EU?

Rhus Semialata Leaf/Stem Extract EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Rhus Semialata Leaf/Stem Extract do in cosmetics?

Rhus Semialata Leaf/Stem Extract functions as: Skin Conditioning, Antioxidant, Skin Protecting [^1_4]. It is classified as a cosmetic ingredient in our database. CAS number: Not specifically assigned (botanical extract).

What is the Margin of Safety for Rhus Semialata Leaf/Stem 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 Rhus Semialata Leaf/Stem Extract compliance across multiple jurisdictions:

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Ingredient Decoder
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82 Allergen Checker
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Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
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Heavy Metal Limits
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