· skincare
Tinted Sunscreen for Dark Spots: When Visible-Light Protection Matters
What tinted sunscreen adds for melasma and hyperpigmentation, how iron oxides work, and how to choose a formula without mistaking tint for better SPF.
Tag: pigmentation
· Dr. Lurie · ingredientsAzelaic Acid: What the Evidence Actually Shows
What azelaic acid is, what the evidence supports it for, who it suits, how people get it wrong, and how it interacts with the rest of a routine.
· Dr. Lurie · skin-healthWhat Actually Causes Dark Circles Under Your Eyes
Dark circles under the eyes usually come from three overlapping causes: pigment, blood vessels, and shadow. What each looks like, what the evidence supports, and when to see a clinician.