The ingredient, explained

Adenosine

An ingredient studied in topical creams and dissolving films for facial lines.

Skin conditioning

Explore connections

Ingredient guide

What it is and what it does

6-Amino-9-beta-D-ribofuranosyl-9H-purine

About this ingredient: EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗

Skin conditioning: A broad cosmetic role for maintaining skin condition. It does not identify a particular clinical benefit.

Function definitions: European Commission ingredient function definitions (SCCNFP/0299/00, pages 16 to 20) ↗

Registry functions describe possible formulation roles, not results for a finished product. A dictionary entry is not an approval or a safety assessment.

A closer look

What the research shows

Human topical research

A blinded, randomised, placebo-controlled study in 126 women aged 45 to 65 reported improved eye-area skin smoothness with adenosine cream and dissolving film. A film-development paper reported improved surface roughness after three and eight weeks of twice-daily 1% adenosine film use.

What this does not tell us

The first abstract does not give concentrations, and the second does not give sample size. These reports share investigators and may describe overlapping participants, so they are not necessarily independent confirmation. The specialised film does not establish the performance of another delivery system or a lower-dose cream.

Sources for this summary. PubMed 18489289 ↗PubMed 17520154 ↗

Research review checked Sep 30, 2026

Selected primary sources were reviewed for the existing research brief on 30 September 2026, with exact ingredient, route and combination limitations recorded. This was a bounded editorial review, not a systematic search.

Ingredient research is not proof that a product containing this ingredient works.