Sunscreen is a filter, not a strategy. What it does, what it does not do, and what actually makes skin handle daylight well.

Visible redness is blood arriving because your skin asked for help. Usually it is asking about the barrier, not about a skin type you are...

Pigment is made at the bottom of the epidermis and delivered upward. So the spot you can see was manufactured weeks ago, several layers below...

Autumn is harvest season, so the botanicals coming into the lab now are not the ones that went in last spring. If your toner arrived...

Two serums can share an ingredient list and behave nothing alike. The label tells you what went in the door. It tells you almost nothing...

Retinol works. I have never said otherwise. This is the full argument for why we still will not formulate with it, what bakuchiol actually is,...

The bump you are looking at today was decided about eight weeks ago. Once you know how long a closed comedone takes to form, most...

A client told me she did everything right and her skin still got worse. She had. The problem was that almost everything she was using...

Hyaluronic acid does not add water to your skin. It moves water that is already there. Which is why, in dry air, it can quietly...