Excellent Active Ingredient SCCS/CIR Reviewed Dermal Penetration

Adenosine

INCI: ADENOSINE

CAS Number
58-61-7
Function
Skin-conditioning agent, anti-aging, purine nucleoside, collagen stimulator, anti-wrinkle agent, adenosine receptor agonist in fibroblasts
Safety Rating
EXCELLENT

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes No specific FDA restrictions. Anti-wrinkle claims must remain cosmetic-safe. Adenosine is also an Rx drug (Adenocard IV) but irrelevant to cosmetic use.

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Safety Opinions

Official safety assessments from the Scientific Committee on Consumer Safety (SCCS) and Cosmetic Ingredient Review (CIR).

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Verdict: safe

๏ฌve adenosine ingredients reviewed in this report are safe in cosmetics in the present practices of use and concentration described in this safety assessment. Keywords Adenosine, Adenosine Phosphate, Adenosine Triphosphate, Disodium Adenosine Phosphate, and Disodium Adenosine Triphosphate Introd

Dermal Penetration Profile

Skin absorption and penetration characteristics of Adenosine, relevant to systemic exposure and MoS calculations.

Absorption %
6-12%
Penetration Level
epidermis
Penetration Depth
epidermis
Molecular Weight
267.2 Da
Log P
-1.8
Systemic Absorption
minimal
Topical Bioavailability
4-10%
Safety Margin Factor
moderate
Vehicle Dependent
Yes โ€” absorption varies by formulation

Source: Skin Pharmacol Physiol 2007

Expert Verdict

CIR safe as used (2023). Japan quasi-drug wrinkle improvement. Korea MFDS functional cosmetic with wrinkle care at โ‰ฅ0.04%. Non-genotoxic (Ames negative). Non-sensitizing (HRIPT n=205). No Annex listings. Anti-wrinkle claims cross drug boundary in EU/US/China. COSMOS eligible via fermentation.

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Concern Level: None

Regulatory Flags

cir-safe-as-used-2023 japan-quasi-drug-wrinkle korea-functional-cosmetic-0.04pct non-genotoxic non-sensitizing-hript-n205 no-annex-listing anti-wrinkle-claims-jurisdiction-dependent korea-method2-dec2025 cosmos-fermentation

Frequently Asked Questions

Is Adenosine safe in cosmetics?

CIR safe as used (2023). Japan quasi-drug wrinkle improvement. Korea MFDS functional cosmetic with wrinkle care at โ‰ฅ0.04%. Non-genotoxic (Ames negative). Non-sensitizing (HRIPT n=205). No Annex listings. Anti-wrinkle claims cross drug boundary in EU/US/China. COSMOS eligible via fermentation. The EU classifies Adenosine as "permitted". Safety rating: EXCELLENT. This ingredient has been reviewed by cir.

Is Adenosine allowed in the EU?

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

What does Adenosine do in cosmetics?

Adenosine functions as: Skin-conditioning agent, anti-aging, purine nucleoside, collagen stimulator, anti-wrinkle agent, adenosine receptor agonist in fibroblasts. It is classified as a Active Ingredient in our database. CAS number: 58-61-7.

What is the Margin of Safety for Adenosine?

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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