Guides
Hair-Care Guides & How-Tos
The how and the why behind better hair: scalp health, ingredient explainers, routines, and what things cost, grounded in the research.
Should You Wash Your Hair Before Dyeing It?
Whether to wash your hair before dyeing depends on the dye. Permanent color, bleach, and semi-permanent each want different prep. Here is the split.
GuideHow to Sleep With Curly Hair Without Losing Your Curls
Protect curls overnight with a pineapple, a bonnet, or a satin pillowcase. Which method fits your hair length, plus the three-minute morning refresh.
GuideWhy Is My Hair So Greasy? What Works and What Is a Myth
Greasy hair is genetics and habits, not a hygiene failure. Why hair gets oily so fast, why you cannot train your scalp, and what to do instead.
GuideLow and High Porosity Hair: How to Tell Yours
Hair porosity is real, but the viral float test isn't how to find yours. What low, medium, and high porosity mean, and how to read yours by behavior.
GuideBlue vs Purple Shampoo: Which One Your Hair Needs
Blue shampoo cancels orange brass; purple cancels yellow. How to tell which one your hair needs, what neither can fix, and how to use them safely.