| Where it was published | Cosmetics (MDPI, 2026), a peer-reviewed scientific journal ranked Q1 in Dermatology (JCR 2024) | Laboratory report commissioned by the brand. Not published in a journal | Cosmetics (MDPI, 2026), the same peer-reviewed journal, ranked Q1 in Dermatology |
| Access and verification | Open access, with DOI and CC BY 4.0 licence | PDF on the brand's website, no DOI | Open access, with DOI |
| Authors and laboratory | Article authored by Dr Mar Miñano Núñez (UNIR and Femtechnology S.L.). Measurements by Dr. Goya Análisis (Spain) | Report by the external laboratory, no scientific article | Article by an author from the manufacturer and a researcher at the University of Manchester. Commissioned and funded by the manufacturer. Measurements by Eurofins (Italy) |
| Participants | 20 women aged 40 to 55 | 35 adults (31 women and 4 men) aged 33 to 54 | 31 women aged 41 to 55 (33 enrolled) |
| Duration and use | 56 days. 2 daily 10-minute sessions, followed by the serum | 56 days. 1 daily 10-minute session until day 28 and 5 per week afterwards, with no product on the face | 56 days. 5 weekly 10-minute sessions, alongside each participant's usual routine |
| Control group | No | No | No |
| Firmness at 56 days (Cutometer F4) | +30.8%, statistically significant (p = 0.03) | +24.5%, statistically significant | +17.0% on the face, statistically significant (p = 0.016) |
| Statistics | Exact p-value for each result | Only states whether each result is significant or not | Exact p-value for each result |
| Safety | Excellent safety profile, with no relevant skin reactions | All participants rated it as gentle (self-assessment) | No adverse events or discomfort reported, and no issues observed by the dermatologist |