I LOVE THIS SHAMPOO. The smell is amazing and my hair has never looked better after a washing than with this product. I was devastated because I left my sample at a hotel, but I will definitely be purchasing more in the near future!

I love love love this clarifying shampoo.

It was weird when I first tried it -- there's a kind of resistance or heavy viscosity while you first lather it -- but then the foam is everywhere. This means you can use half what you normally use and hoard the rest.

It smells great (like I just visited a hair salon) and my hair has NEVER felt lighter or softer than it does after one of these washes.

I just wish I could justify such an expensive purchase. Maybe for a special occasion? Oi.

Works perfectly on my hair, leaves my hair feeling clean and light without feeling like I've stripped it of all it's shine and softness.

My mother used her entire sample, raved about it, and then took mine. I just ordered her a full size bottle. She has been using a different non-sudsing shampoo for several years and is a compete convert to the No. 4.

I got a sample of this in my Jan. box and have been saving up my points to order a big bottle of it! I am a shampoo snob and this is by far my favorite!!!

I love this clarifying shampoo. I use it only once a week for sake of saving the product as long as I can, and almost every time I use it I get compliments on how nice my hair looks. It doesn't hurt that the scent is great as well! Highly recommend if you are looking for a clarifying shampoo!

I got this product in my January box, and just recently ran out of the sample :(. The great thing about this shampoo is that a little goes a LONG way. Also, I have psoriasis on my scalp, so many shampoos and conditioners cause massive build up. This one DOES NOT. Currently buying the full bottle now!

I have dry, thin, highlighted hair so its hard for me to find a shampoo that doesn't strip it or over-conditions it. Until now. Not only does this one smell fantastic but it does a great job cleaning AND moisturizing so I seldom use a conditioner and when I do it's only a light spray-on one or a couple drops of argon oil. So, for me, I felt like I got a 2 in 1 product. I immediately bought the full size and just love the pump packaging. I had it for months and still going strong so it appears to be lasting quite a while with me shampooing 2-3 times a week with 1-2 pumps per shampoo.

I have thick, coarse wavy hair that tends to dry. This is the first clarifying shampoo that smelled good and actually left my hair soft without conditioner. I was impressed with it enough to purchase the big size.

Not exaggerating, this is the best shampoo I've ever tried! It leaves my hair feeling soft and smooth and leaves a noticeable shine. This product is worth every penny!