Post Inflammatory Hyperpigmentation (PIH) is a persistent skin care concern, particularly for individuals with sensitive skin. Acne-related PIH affects 80% of patients. This is what happens when acne scars start to fade: the fading process usually takes a long time and can be a frustrating experience for those dealing with other skin problems. Knowing that this frustration can cause consumers to seek unsafe and unvetted skin care practices, Cetaphil Bright Healthy Radiance, the brand recommended…