Skin Journal

Retinol for beginners: how to start without irritation
Retinol for beginners: how to start without irritation
New to retinol? Here's how to start slowly and keep irritation to a minimum: which strength to choose, how often to use it, and what not to mix it with. Read more...
Glass skin routine: 2 steps instead of 10
Glass skin routine: 2 steps instead of 10
You don't need ten steps for glass skin. Here's the simple 2-step "prep and seal" routine we actually use, plus the habits that matter just as much as products. Read more...
How to use a collagen gel mask (and how long to leave it on)
How to use a collagen gel mask (and how long to leave it on)
Never used a collagen gel mask before? Here's exactly how to put one on, how long to leave it (hint: until it turns clear), and a few tips that make... Read more...
What is PDRN? The salmon DNA skincare ingredient explained
What is PDRN? The salmon DNA skincare ingredient explained
PDRN, or "salmon DNA", is everywhere right now. Here's what it actually is, what the science says, and what you can realistically expect from it in a serum or cream. Read more...