Question: what is the best keratin hair treatment?
Answer:  of 12. The Express Treatment. Complex Brazilian Keratin Hair Blowout Treatment. Keratin Research amazon.com. ... 
 of 12. The Silk-Based Treatment. Keratin Silk Infusion. Chi ulta.com. ... 
 of 12. The 3-Step Solution. Keratin Smoothing Treatment. ... 
 of 12.