Cosmetics can, in rare cases, provoke allergic reactions due to the ingredients they contain, such as preservatives or fragrances.
ECARF certified cosmetics have demonstrated in scientific tests that they do not to cause side effects and there is no expected risk that a new allergy will develop through their use. However, despite meticulous product formulation and testing, allergic reactions cannot be completely ruled out in individual cases.
Guhl Sensitive Shampoo is a bearer of the ECARF Seal.
Thousands of certificates have already been awarded since the first Seal of approval in 2006. The Allergy Seal is awarded by the ECARF Foundation.