Rheum Palmatum Root

INCI: RHEUM PALMATUM ROOT

CAS Number
90106-27-7
Function
Astringent, Skin Conditioning, Tonic
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status restricted
US Notes Not specifically restricted; permitted under general cosmetic ingredient provisions; TSCA-exempt as cosmetic ingredient

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

Highest anthraquinone concentration of all Rheum parts (emodin, aloe-emodin, rhein, chrysophanol, dianthrone glycosides); EFSA genotoxicity flag for oral hydroxyanthracene derivatives ; potential phototoxicity; oxalic acid content; tannin content

โš ๏ธ
Concern Level: High

Frequently Asked Questions

Is Rheum Palmatum Root safe in cosmetics?

Highest anthraquinone concentration of all Rheum parts (emodin, aloe-emodin, rhein, chrysophanol, dianthrone glycosides); EFSA genotoxicity flag for oral hydroxyanthracene derivatives ; potential phototoxicity; oxalic acid content; tannin content The EU classifies Rheum Palmatum Root as "permitted". Safety rating: MODERATE.

Is Rheum Palmatum Root allowed in the EU?

Rheum Palmatum Root EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Rheum Palmatum Root do in cosmetics?

Rheum Palmatum Root functions as: Astringent, Skin Conditioning, Tonic. It is classified as a cosmetic ingredient in our database. CAS number: 90106-27-7.

What is the Margin of Safety for Rheum Palmatum Root?

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.

๐Ÿ“ฑ

Is Rheum Palmatum Root in Your Products?

Scan any product label with Piro โ€” our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free โ†’

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Rheum Palmatum Root in your formulation.