Patch testing involves placing allergens onto the skin, removing them in 48 to 72 hours and observing for allergic or irritant reactions
As with any product use, anyone can develop sensitivity to any of its ingredients (or become allergic).
Ah, Christmas, such a happy time of the year.
Temporary tattoos have become a popular trend today. Temporary tattoos using black henna have become the focus of discussion for the latest consumer update by the FDA.