Can I use the NIOXIN System 2 Duo if I have color-treated hair?
Yes, the NIOXIN System 2 Duo is safe to use on color-treated hair.
Will the NIOXIN System 2 Duo make my hair oily?
No, the NIOXIN System 2 Duo is formulated to moisturize and nourish the scalp without leaving the hair oily.
How long does it take to see results with the NIOXIN System 2 Duo?
Results may vary, but with regular use, you can expect to see noticeable improvements in the thickness and health of your hair within a few weeks.