
How to Patch Test a New Skincare Product
To test skincare, keep your routine stable and apply the directed amount to a small, intact area such as the underside of the arm or elbow bend.
Skincare works better when a new bottle joins the routine as one variable, not the opening act of a twelve-product parade.
These guides follow mainstream dermatology advice, keep diagnosis with professionals, and treat stopping a reaction as more important than finishing a jar.


To test skincare, keep your routine stable and apply the directed amount to a small, intact area such as the underside of the arm or elbow bend.