What is it: System Kit 4 is designed for dry, damaged, color-treated hair with progressed thinning. Clinically and dermatologically tested. 
Why you'll love it: The System 4 Conditioner is a lightweight conditioner that helps provide hair resilience, hydrates scalp and hair from root to tip.
Featured ingredients: Formulated with a powerful blend of wild mint oil and peppermint oil. Its lightweight, moisturizing formula contains ingredients that strengthen the hair against damage and breakage, while promoting a healthier scalp.