Amazonliss Keratin Smoothing Treatment April 2, 2019February 19, 2021drstaceynaito Leave a comment This is the full version of a video review I put together of this at-home, formaldehyde-free keratin hair smoothing treatment. Check out the shorter version which I will post next week! Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Like Loading...