K18 FutureIQ Hair Longevity Serum – Graying, Thinning & Scalp Aging 3 oz / 9 ml JOICO 0 fit in the Olaplex

0 fit in the Olaplex system

hair feels smoother and less damaged

Cocamidopropyl Hydroxysultaine and Sodium Cocoyl Alaninate — sulfate-free cleansing agents

Can I mix it with other shades

K18 FutureIQ Hair Longevity Serum – Graying, Thinning & Scalp Aging 3 oz / 9 ml JOICO 0 fit in the OlaplexK18 FutureIQ Biomimetic Hair Longevity Serum is a lightweight, leave on nightly scalp serum that targets premature hair aging at its biological markers shedding, graying and scalp aging. Built on K18's proprietary MultiVital technology, described as the first synergistic multi pathway system for premature hair aging, it is clinically shown to deliver up to 19,000 more hairs by month 3. Each 3 oz bottle is a one month supply. Key Benefits Up to 19,000