@realdrsean: Why do some people show fewer signs of aging from the sun? Melanin isn’t just about skin tone — it actually helps protect against photoaging, which is aging caused by UV exposure. In this clip, Dr. Sean Saadat breaks down how ethnicity impacts aging and why higher melanin levels can mean less visible sun damage over time. But it’s not just genetics… Full breakdown on YouTube 🎥 #aging #skincare #photoaging #genetics #ethnicity