How do we know if our skin is sensitive?

To confirm the diagnosis of skin sensitivity test is carried out in its lactic acid to 15 percent (Ramette test). The test involves the distilled water with a wad of cotton wool on one of the two regions zigomatiche. On applies an aqueous solution of lactic acid to 15 percent. It questions the person concerned after the second and fifth minute, taking note of the reactions reported:
- No abnormal sensations (0);
- Sensation of heat-burning light (1);
- Sensation of heat-burning moderate (2);
- Sensation of heat-burning strong (3).
It then computes the degree of sensitivity by adding the value obtained in the second minute with the fifth.