| Regulatory reference: | Proprietary method |
| Claim: | Strenghtening |
| Application field: | Strengthening hair products. |
| Description of the test: | Dynamometric analysis of the tensile strength and resistance to breakage on treated and untreated hairs collected ex vivo from 20 volunteer. Results in terms of tensile strength (in Newtons) and percentage of strengthening compared to the untreated control. |