How much K18 hair mask should I use per application?

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When using the K18 Leave-In Molecular Hair Mask, you don't need to overdo it—less is definitely more. According to the manufacturer's guidelines, you'll only need a pea-sized amount for each application. This amount works well for medium-length hair, and you might need to adjust a bit depending on how long or thick your hair is.

Our research shows that folks have noticed big improvements in how their hair feels and looks when they use this mask, especially if their hair has been damaged by bleaching or heat styling. It's designed to be a leave-in treatment, so after you shampoo and towel-dry, go ahead and apply that small amount directly to your hair. You can skip the conditioner this time to let the mask do its thing.

One cool thing about this mask is its speed. It starts working in just four minutes, repairing the hair from the inside out without needing to rinse it out. It's pretty handy if you're short on time but still want to do something nice for your hair.

A lot of people who use it regularly swear by it despite its higher price. They see it as a worthwhile splurge because of how well it restores their hair's strength and elasticity.

The small bottle might be surprising at first, but trust me, the concentrated formula means a little really goes a long way.