My salon that I go to won't do a stand-alone treatment; they will only use Olaplex when colouring my hair. Afterwards, they give me a small bottle of #3 to take home to maintain my hair health once a week. I think the bottle is too small as I have very long thick hair. I can polish that bottle off in less than 2 treatments. I've decided that I want to have my own supply of Olaplex at home that I can use anytime. I regularly straighten my hair with a hot iron and colour my roots every 3 weeks, and it is much cheaper for me to buy this on Amazon then to visit the salon every 3 weeks. It works great, my hair is much softer and shinier. I purchased the traveling stylist kit for $98 and it includes instructions. These bottles are small so I added a soda can for size comparison in the picture. I hope the larger professional size bottles will be available at a decent price on Amazon Canada soon as I will definitely be buying more.