SH-DS Phosphorothioate RNA-2 Cholesterol

INCI: SH-DS PHOSPHOROTHIOATE RNA-2 CHOLESTEROL

CAS Number
Not assigned / not publicly listed
Function
Skin conditioning / hair conditioning; double-stranded phosphorothioate-modified RNA conjugated to cholesterol โ€” functionally an siRNA-type construct
Safety Rating
POOR

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes No specific cosmetic restriction, but high regulatory risk โ€” phosphorothioate siRNA-cholesterol conjugates are pharmacologically active gene-silencing molecules

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

๐Ÿ”ด Critical flags: (1) Cholesterol conjugation enhances cellular internalization by design . (2) Phosphorothioate modification increases nuclease resistance and tissue half-life . (3) Double-stranded RNA can trigger RNAi gene-silencing machinery. (4) Claims must be scrutinized โ€” any gene expression modulation claims = drug. (5) No CIR review. (6) Unprecedented complexity for a cosmetic ingredient. Requires full supplier dossier with off-target silencing data, cytotoxicity, and immunogenicity t...

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Concern Level: High

Frequently Asked Questions

Is SH-DS Phosphorothioate RNA-2 Cholesterol safe in cosmetics?

๐Ÿ”ด Critical flags: (1) Cholesterol conjugation enhances cellular internalization by design . (2) Phosphorothioate modification increases nuclease resistance and tissue half-life . (3) Double-stranded RNA can trigger RNAi gene-silencing machinery. (4) Claims must be scrutinized โ€” any gene expression modulation claims = drug. (5) No CIR review. (6) Unprecedented complexity for a cosmetic ingredient. Requires full supplier dossier with off-target silencing data, cytotoxicity, and immunogenicity t... The EU classifies SH-DS Phosphorothioate RNA-2 Cholesterol as "permitted". Safety rating: POOR.

Is SH-DS Phosphorothioate RNA-2 Cholesterol allowed in the EU?

SH-DS Phosphorothioate RNA-2 Cholesterol EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does SH-DS Phosphorothioate RNA-2 Cholesterol do in cosmetics?

SH-DS Phosphorothioate RNA-2 Cholesterol functions as: Skin conditioning / hair conditioning; double-stranded phosphorothioate-modified RNA conjugated to cholesterol โ€” functionally an siRNA-type construct. It is classified as a cosmetic ingredient in our database. CAS number: Not assigned / not publicly listed.

What is the Margin of Safety for SH-DS Phosphorothioate RNA-2 Cholesterol?

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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