We spoke with hairstylists about the difference between high-porosity and low-porosity hair, how to tell if you have it, and the best products to use, including Oribe Run-Through Detangling Primer ...

Dry shampoo:These products come as a powder that you sprinkle or spritz on the hair, then comb through. They add bulk to the hair shaft, which can make it look fuller. Use them every 3 or 4 days.

Maybe their scalp isn’t as oily as yours, so their hair isn’t rendered lifeless, greasy, and limp by 2 p.m. Perhaps they’ve found the optimal match between their hair type and a styling product.

How to Ace That Whole Untamed-Hair Thing. ... Go with a salt spray if your hair is fine and something with more moisture if it's coarse. ... The Best Products for Curly Hair of Every Type and Texture.

The products that changed Grey’s hair After getting the goods from her stylist, Grey started researching Harklinikken (Danish for “hair clinic,” BTW) online.