Latest · Explainer
Hair Porosity, Explained
Why the same conditioner transforms one head of curls and sits uselessly on another.
How curls actually work
The Science
Porosity, protein, sulfates and silicones, explained without the folklore, so the label on the bottle starts to make sense.
The Science · Explainer
Protein and Moisture: Finding the Balance
Limp, mushy curls and stiff, brittle ones are opposite problems. Treating the wrong one makes it worse.
The Science · Explainer
Sulfates and Silicones: What the Labels Mean
Two ingredient families, a great deal of folklore, and a calmer way to decide what belongs in your shower.