Sunscreen Guide: What SPF, UVA, and UVB Mean
What SPF, UVA, UVB, broad spectrum and water resistant mean on a sunscreen label, and how much to apply for the protection stated.
By Sunil Dutt · 3 min read
Category
Good skincare is simpler than the shelves suggest. Most skin does well with three steps: a gentle cleanser, a moisturizer that suits your skin type, and a sunscreen every morning. Our skincare guides start from those basics and then cover the questions that come next: how to find your skin type, how to care for breakouts, how to keep skin hydrated, and how to protect it from the sun as it changes with age. Each guide explains what the evidence supports, and tells you when a doctor or dermatologist is the right next step.
Find articles by topic, or open the full list of categories.
What SPF, UVA, UVB, broad spectrum and water resistant mean on a sunscreen label, and how much to apply for the protection stated.
By Sunil Dutt · 3 min read
Dry skin lacks oil and dehydrated skin lacks water. See the signs of each, why oily skin can be dehydrated, and how to care for both.
By Sunil Dutt · 3 min read
A gentle morning and evening routine for skin that breaks out, the ingredients with the best evidence, and how long to wait for results.
By Sunil Dutt · 3 min read
A simple at-home method to tell whether your skin is normal, dry, oily, combination or sensitive, and what to do with the answer.
By Sunil Dutt · 3 min read