Sun Protection
Clear guidance on SPF and daily sun protection — the single most important step in any skincare routine.
How Much Sunscreen Should You Apply?
Two finger-lengths for face and neck, a shot glass for your body. Most people use a third of that, and using less costs more protection than you think.
Sunscreen for Darker Skin Tones
Melanin gives some protection, well short of enough. Why marks matter more than burning, and how to avoid a white cast.
Sunscreen Myths, and What Is Actually True
Indoors, cloudy days, vitamin D, chemical filters, SPF as minutes. Most sunscreen myths have a real fact underneath and a wrong conclusion on top.
Everything You Need to Know about UV Index
Everything you need to know about UV index
Chemical vs. Physical Sunscreen
A detailed comparison of physical and chemical sunscreens.
How Long Does SPF 50 Last?
About two hours, and the 50 has nothing to do with it. What actually makes sunscreen wear off, when to go sooner, and how to reapply over makeup.