Skin Science Guide

Does Blue Light From Screens Actually Affect Yo...

With more hours spent on phones and laptops than ever, a newer question has come up alongside sun exposure and pollution: does the blue light from screens actually affect skin?...

Does Blue Light From Screens Actually Affect Yo...

With more hours spent on phones and laptops than ever, a newer question has come up alongside sun exposure and pollution: does the blue light from screens actually affect skin?...

Salicylic Acid: Why It Clears Clogged Pores

Salicylic Acid is the single most recommended ingredient for clogged pores and comedonal acne, and understanding exactly why makes it easier to see where it fits, and where it doesn't.What...

Salicylic Acid: Why It Clears Clogged Pores

Salicylic Acid is the single most recommended ingredient for clogged pores and comedonal acne, and understanding exactly why makes it easier to see where it fits, and where it doesn't.What...

Ceramides: The Skin Barrier's Building Blocks

If your moisturizer's ingredient list includes ceramides, that's not a filler ingredient, it's arguably doing more structural work for your skin than most trendy actives combined.What Ceramides Actually AreCeramides are...

Ceramides: The Skin Barrier's Building Blocks

If your moisturizer's ingredient list includes ceramides, that's not a filler ingredient, it's arguably doing more structural work for your skin than most trendy actives combined.What Ceramides Actually AreCeramides are...

Azelaic Acid: The Ingredient That Does Three Jobs

Azelaic Acid doesn't get as much attention as Vitamin C or Niacinamide, but dermatologists reach for it often, because it does something most single-purpose actives can't: it addresses acne, redness,...

Azelaic Acid: The Ingredient That Does Three Jobs

Azelaic Acid doesn't get as much attention as Vitamin C or Niacinamide, but dermatologists reach for it often, because it does something most single-purpose actives can't: it addresses acne, redness,...

What "Non-Comedogenic" Really Means

Non-comedogenic is one of the most common labels on skincare and makeup products, and also one of the least regulated. Understanding what it actually promises, and what it doesn't, helps...

What "Non-Comedogenic" Really Means

Non-comedogenic is one of the most common labels on skincare and makeup products, and also one of the least regulated. Understanding what it actually promises, and what it doesn't, helps...

Purging vs. a Bad Reaction

Starting a new active ingredient and suddenly seeing more breakouts feels like the exact opposite of what should happen. Understanding whether this is purging, a normal and temporary response, or...

Purging vs. a Bad Reaction

Starting a new active ingredient and suddenly seeing more breakouts feels like the exact opposite of what should happen. Understanding whether this is purging, a normal and temporary response, or...