Is Nicomenthyl 20 liable to cause allergies?

Thorough in vitro testing has confirmed that Nicomenthyl 20 is not sensitizing.
As a precaution however, considering that Nicomenthyl 20 slowly releases Menthol into the skin, we advise the subject allergic to that substance to test first the cosmetic product containing Nicomenthyl 20 by applying a small quantity of it inside the forearm.