A
Apply a small amount to face in the PM as part of your skincare regimen, after water-based serums but before heavier treatments. Do not use with other retinoid treatments. Avoid unprotected solar exposure. If irritation occurs, cease use and consult a physician. Use only as directed on unbroken skin. Patch testing prior to use is advised. Keep out of reach of children. Refrigerate after opening.
Patch tests are an easy way to help predict if you may experience a negative initial reaction to a new product. It is recommended to perform a patch test before incorporating any new product into your regimen. We have outlined a general method for conducting your own patch test below based on the type of product.