Nioxin Diamax Advanced Hair Thickening Treatment, 3.38 oz

Q: Does the nioxin diamax get combed thru the hair or just applied at scalp?

I am happy to answer this for you today. The following is manufacture instructions for best results: Apply evenly throughout the scalp. Massage gently at the roots and comb through. Do not rinse off. For exceptional results use daily on wet or dry hair. I hope this answered your question today. Have a Wonderful Nioxin Hair Day!

Q: Can this be used with the hair thickrning spray?

Thank you for contacting Nioxin Professional. We value your loyalty to our brand. Yes, Nioxin's Thickening Spray can be used with Diamax. Diamax should be focused at the root whereas the thickening spray should be used mid length to ends.

Q: Is this sulfite free?

Thank you for contacting Nioxin. We value your brand loyalty. Nioxin Diamaz Hair Thickening Treatment is sulfate free.

Q: Would this also be considered a heat protectant?

I use this product when I wash my hair...it is great strengthening serum...love it...Highly recommended by my hairdresser...however, to be safe I still use a heat protectant