What it is: A true formaldehyde-free keratin smoothing treatment that delivers pure results without any harsh chemicals or down time. What it does: Featuring our proprietary Kerabond Technology combined with a blend of the highest grade jojoba, argan and rosemary oils we have now brought the future of keratin treatments to today. This 90 minute professional treatment renews and transforms frizzy and unmanageable hair to silky smooth perfection. Safe for color treated hair and lasts up to 12 weeks. What else you need to know: Pure Renewal is compliant with all worldwide health agencies. KERATIN SMOOTHING TREATMENT PLUS - MAXIMUM STRENGTH, ZERO FORMALDEHYDE. WITH COLLAGEN. Product Options Available are as follows: Size : 2 oz - Diora Keratherapy Pure Renewal Keratin Smoothing Treatment Size : 16 oz - Diora Keratherapy Pure Renewal Keratin Smoothing Treatment Option: 32 oz - Diora Keratherapy Pure Renewal Keratin Smoothing Treatment Option: PLUS - 32 oz - Diora Keratherapy Pure Renewal Keratin Smoothing Treatment 3.01