Deep Fortifying Keratin Intensive Treatment ( 200ml )Terre a Mer Protein Intensive Mask. Part of the recommend Aftercare Balance PRO TIP: This is a core aftercare product to maintain the keratin treatment for clients. A deep intensive keratin treatment infused with the most advanced pure keratin, the main protein of the hair. It fortifies and strengthens the hair shaft to repair hair damage. Argan oil smooths the cuticle, replenishes vital nutrients and adds luminosity (shine). It is gentle on your hair