| Regulatory reference: | Proprietary method |
| Claim: | Activates the synthesis of collagen, elastin, fibronectin |
| Application field: | Finished products and active ingredients. |
| Description of the test: | Real time PCR analysis of the expression of collagen and fibronectin, compared to an untreated control, to determine the efficacy of a product or ingredient in activating the synthesis of these proteins involved in maintaining skin elasticity and prevent aging. |