At first, it worked. After the first wash subbing a hair mask for conditioner ... still: Use sparingly. “Hair masks should be used on an as-needed basis,” adds Caspara. Twice in one week ...

But what is a hair mask, exactly? It’s an intensely moisturizing and reparative hair product you can apply in the shower in place of conditioner ... use a mask a few times a week, but you can ...

However, there is one stand ... simple to use. Wild Science Labs recommends washing your hair with shampoo and conditioner as normal, and while your hair is wet to apply the mask from the mid ...

The K18 hair ... conditioner over the top or rinsing out the K18 hair mask. Trust the process. And now for the bit you’ve been waiting for. What was the K18 hair mask actually like to use? First ...