What is a Nano Keratin Relaxer?

Nano-Complex relaxer is a keratin-based protein product that straightens the hair without breaking the natural hair bonds.

It has a very soothing and repairing effect on the hair.
It is not a chemical relaxer therefore it is not permanent and lasts up to three months.
It can be used on any type of hair; even the most damaged and it will reconstruct and repair the hair shaft, thanks to the Nano Keratin Protein.
It will bring back the hair to a very shiny, silky healthy look.
Nano-Complex Relaxer uses a base of whole Milk instead of water.


  • Nano-Complex Relaxer’s unique formula allows hair stylists to use it on any kind of hair even the most damaged.
  • The Nano Keratin protein, combined with an aldehyde, relaxes the hair and gives high frizz control, even in a very humid climate.
  • The combination of the NANO Keratin protein and the Nano Silk protein creates a smoothing, long-lasting straightening and moisturizing effect on the hair.


Conveniently located in the heart of downtown Bethesda, Maryland, Bētrū by Salon Privé is a special place where both one’s inner and outer beauty are enhanced, and where one’s sense of self is renewed. Our main goal is to ensure that each and every client leaves fully satisfied, feeling confident and fabulous.