Beauty Journal
How LED Light Therapy Works on Skin, and What I...
Light at particular wavelengths is absorbed inside skin cells and changes how they behave. Here is the mechanism as the dermatology literature describes it, and the honest limits of what...
How LED Light Therapy Works on Skin, and What I...
Light at particular wavelengths is absorbed inside skin cells and changes how they behave. Here is the mechanism as the dermatology literature describes it, and the honest limits of what...
When Should a Teenager Start Skincare?
A question we get asked at the counter constantly, usually by a parent holding a ten-step routine a teenager has found online. What the evidence supports, and what it does...
When Should a Teenager Start Skincare?
A question we get asked at the counter constantly, usually by a parent holding a ten-step routine a teenager has found online. What the evidence supports, and what it does...
UVA Through Glass: What Windows Do and Do Not B...
A well-known clinical photograph shows what decades of sun through a driver's side window did to one side of a man's face. Here is what glass actually stops.
UVA Through Glass: What Windows Do and Do Not B...
A well-known clinical photograph shows what decades of sun through a driver's side window did to one side of a man's face. Here is what glass actually stops.
Coming Out of Winter: What to Change in Your Ro...
Late winter is the point where a routine built for cold, dry, heated air starts working against you. What the seasonal research shows, and the small changes worth making now.
Coming Out of Winter: What to Change in Your Ro...
Late winter is the point where a routine built for cold, dry, heated air starts working against you. What the seasonal research shows, and the small changes worth making now.
Where You Keep Your Skincare Changes How Long I...
Some actives are chemically fragile, and a hot bright bathroom is the worst place in the house for them. What the stability research says about vitamin C and retinoids.
Where You Keep Your Skincare Changes How Long I...
Some actives are chemically fragile, and a hot bright bathroom is the worst place in the house for them. What the stability research says about vitamin C and retinoids.
How Much Sunscreen You Actually Use (And Why It...
The number on a sunscreen bottle is measured with a thickness of product almost nobody applies. Here is what the research found, and what it means for the bottle in...
How Much Sunscreen You Actually Use (And Why It...
The number on a sunscreen bottle is measured with a thickness of product almost nobody applies. Here is what the research found, and what it means for the bottle in...