When you see the term “dermatologist tested” in relation to Paula’s Choice products, it signifies that one or more board-certified dermatologists have been involved in clinical testing. This added scrutiny provides an extra level of reassurance, particularly for those with sensitive skin.  Paula’s Choice products undergo a rigorous testing process that includes both Repeat Insult Patch Test (RIPT) and Safety-In-Use (SIU). These tests ensure our products are compatible with your skin under real-world conditions. This is a non-negotiable part of our commitment to safety and quality.  It is important to remember that “dermatologist tested” is a reassurance, not a guarantee. Skin responses can be as unique as the individuals themselves. For products packed with bioactive ingredients like high concentrations of vitamin C, retinol or retinoids, we always recommend starting slow, especially if you have sensitive skin.