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I got my first Kerastase from my hairdresser and I can tell you it was very expensive to what I used to use. I have tried all those magic shampoos from local stores and all of them were absolutely waste of money. They all seems to be the same product with different texture and very strong smell. This one is different - my hair are soft scalp does not itch and the smell is amazing. I use only tiny amount per wash as this is so much more efficient that all high street brands.
If you never tried one go for it - yes it cost more for some unreasonably expensive but once you try you won't use any other shampoo - even my lady started using it and she is also very impressed.
This is an expensive shampoo compared to other products I have used, but it is excellent quality and I only need to use a small amount ( a blob the size of 5 p coin ) for my fairly short hair. A bottle has lasted me well over 9 months.
The shampoo is thick enough with nice smell, but it’s not working for me. I don’t have an oily hair but this shampoo makes my hair so heavy and I needed to wash my hair every other day. Maybe it’s good for someone with dry hair or curly hair 👩🦱