Royal Beauty Bag: Kate Favorite Kérastase Hair Products

I test out Kate hair products from Kate, Duchess of Cambridge’s  favorite line- Kérastase- on my curly, frizzy and unruly hair. How did the expensive products stack up?

It recently dawned on me that not only is Kate’s hair already infinitely more glossy, shiny and perfect than mere mortals, but she’s about to enter into the hair glory days otherwise known as second/third trimester of pregnancy. That wonderful time in your life that while everything else is going down the proverbial tubes, your hair will try, succeed and make up for it. There could be no better time for me to test out Kate’s favorite hair product line, Kérastase.

Kérastase Nutritive Bain Satin

Kérastase Nutritive Bain Satin

I decided that if I had any chance of getting my hair to even be remotely resembling Kate’s, I had a narrow window before the gap was just too much to overcome. Ladies, it was time to amp up my hair regime. The huge vats of shampoo that you can buy at Costco were probably not going to make my hair look like Kate’s, no matter how many celebrities in ads tried to tell me otherwise.  I went over to my local hair salon who pleasantly informed me that they’d be delighted to sell me a teensy tiny bottle of shampoo… For $61! I quickly pinched the baby and feigned screaming as an excuse to have to quickly leave the store without purchasing the little bottle of shampoo. Seriously, $61/bottle? You’d better believe that you’d have to have Kate’s beauty budget to buy it. Luckily, I went over to my local drugstore (Canada is lucky that we have one major chain of drugstores, Shoppers Drug Mart, where you can collect points on purchases to exchange for dollars off later. To demonstrate how frequently I shop there, I had the equivalent of $300 in points) and cashed in my free dollars to purchase it at a slightly “more reasonable” $43/bottle for the shampoo and $51/bottle for the conditioner.

Before I tell you the magic or un-magic of my new $100 hair care routine, I should probably slow down and tell you about my hair first. I was born with platinum blonde pin-straight fine as anything hair. Hair which was tragically cut into the “mushroom cut” by my mom until I was about 9.

Me, aged about 7 with said horrific mushroom cut

Me, aged about 7 with said horrific mushroom cut

By age 9 I was, like most other little girls, very heavily into dance and my mom often found herself having to curl my hair for hours before a recital- only to have the curls fall out very shortly thereafter. I wanted to have curly hair so badly that I begged, pleaded and whined for a perm. The hours and hours of curling a fidgeting kid’s hair (and my expert whining, no doubt) must have finally gotten to her because when I was about 12 she agreed to let me get a perm. Finally! I was going to have luscious curls… And I did, for about 2 days, after which the perm completely fell out. For some reason, about 3-4 months later my mom consented to let me try again and the old saying “If at first you don’t succeed, try try again” definitely worked. The perm took and held… for good. If we fast forward to present day, you’ll see my hair has stayed as curly as it was the day after that perm. The blonde has faded to a dark blonde over the years but the curls have remained- as ringleted and curly as ever.

The ends of my very curly blonde hair

The ends of my very curly blonde hair – sans product

So my hair is now something looking at pictures of young me you would have never guessed- it’s thick, curly and just generally unruly. Much like Kate, I do try and straighten my hair out most of the time when I have professional responsibilities like work but there are inevitably humid days which throw wrenches in the best laid plans. Case in point? I worked in Hong Kong in 2011 and spent the better part of 3 hours blowdrying my hair before going to work on the first day- only to show up in the office 20 minutes and one subway ride later with hair so fuzzy you’d think I had just gotten an electric shock with the excessive amounts of frizz. This happens to Kate as well, as one of her “off” days from a frizzy hair perspective was in the hot and humid Solomon Islands on the 2012 Diamond Jubilee tour.

One of the extremely rare "bad hair days" of Kate, in the Solomon Islands in 2012

One of the extremely rare “bad hair days” of Kate, in the Solomon Islands in 2012

You can probably then guess why I was so excited to try Kate’s favorite haircare line- we seem to have very similar hair- curly, frizzy at the first signs of humidity and thick. The bottle I decided to try Kérastase Nutritive Bain Satin 2, a complete nutrition shampoo for dry, sensitized hair. The thing that hit me first was the fact that the shampoo smelled, well, like shampoo. Not sure what I was expecting, but it smelled very soapy with a very faint hint of citrus. The conditioner was much the same, and combined they left my hair with a rather unnoticeable smell, which might be exactly what you are looking for. I prefer to have at least a slight pleasant smell remaining after I wash my $5-6 dollars worth of shampoo down the drain, so was a little disappointed.

The real genius of this product though isn’t in the smell it leaves after you get out of the shower, it’s in how your hair reacts to the onslaught of product and styling tools coming at it. I decided a great test for me would be to blowout my hair as I can tell very easily with product which ones make a big difference in my hair.

Before and After

Before and After

Now the results might look misleading, but my ridiculously frizzy hair is actually about 50% less frizzy than normal. Remember, this is with zero product in my hair. When I put product in my hair, I decided that there was no better time to try out a sample of Kérastase’s Lumiere Liquide- it was like silk. Expensive, expensive silk.

So my final verdict? The stuff is amazing. Unfortunately spending $100 on small bottles of shampoo and conditioner is a pretty steep price for something you rinse down the drain so I don’t think I could keep this up on a daily basis. I mentioned this to a friend of a friend over coffees one recent afternoon and she had the best advice I’d ever heard. Kérastase is the luxury haircare line of L’Oréal. She told me she loved Kérastase but couldn’t justify spending the money on something you rinsed down the drain so she went online and did some research, only to find out that L’Oréal has a “non-professional” line and a product called Eversleek which is essentially the same thing- and available for a fraction of the price. I tried the Eversleek and it’s TRUE! It works just as well as the Kérastase does and after checking with a friend of a friend who is a hairdresser it’s got a few differences, but overall is the premium product in a generic tube.

I decided to keep the Kérastase for “special” days- days where I know I’m going to have to blowdry my hair for a night out or big meeting. Days when I just want to add a little Kate to my step. The Eversleek will definitely be making the daily appearances, and I am pretty confident Kate, ever the bargain shopper we know her to be, would approve of my budget-friendly choice.


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Amanda is the Media & Operations Director for Effervescence Media Group (otherwise known as behind-the-scenes editor of What Would Kate Do? and The Refined Side). When she isn’t blogging, she can be found with a nice glass of red wine or browsing a vintage shop. Her interests are varied and include vintage couture, etiquette, and the financial markets. She resides in Vancouver, British Columbia
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11 Comments on Royal Beauty Bag: Kate Favorite Kérastase Hair Products

  1. Perseverance
    January 7, 2013 at 9:12 am (3 years ago)

    Thanks for the hair tips! I will have to try out Eversleek!

    • Murad
      February 25, 2013 at 8:53 pm (3 years ago)

      Other than the obvious chiecos such as salt spray, curling iron or loosely braiding damp hair another suggestion would be a flat iron. I use mine to achieve a wavy bedhead look. As long as your iron has plates with a slight curve in the edges rather than a 90 degree angle you can create waves. Just clamp the iron where you want the wave to start and then turn the iron around as you move down the hair. The more you turn the ‘curlier’ the wave. Hope this helps! :)

  2. Kim Raines
    March 8, 2013 at 4:33 am (2 years ago)

    I’ve battled thick, curly/kinky/wavy hair all my life. Stylists could make it look beautiful–not me–but minutes later it would morph into humidity-induced frizz. Brazilian keratin straightening is the ONLY thing that has EVER cured it. Finally, I could make it look good (in half the time) and it wouldn’t frizz, but at $450 every 4 months, it was more expensive than Kerastase.

    I started doing my own keratin two years ago and my hair looks fantastic every day. It is ridiculously easy although it takes a good two hours every 4-5 months. I’ve tried a few products and the one I think works best is Uncurly, which I buy on their site, I’m guessing I spend $80 a year total and I like my results better than my salon’s–theirs made my hair too flat whereas I keep some bend and root-lift, and have better frizz control. The first thing I wondered when I saw the Kate pix, was why she wasn’t onto this. Finally, something I’m doing better that her! LOL

  3. Maria
    February 25, 2013 at 11:24 pm (3 years ago)

    I have stick straight hair, and I make my hair wavy from time to time witouht heat. Yes, witouht heat. Just part your hair while its damp into two sections, take one of the sections and twist it then wrap it into a bun and hold it in place with a flat clip with tiny ‘jaws’ on them to make sure they stay in place. I wear mine through the night while my hairs drying then the waviness looks extra au naturale.

  4. Lupita
    February 25, 2013 at 11:42 pm (3 years ago)

    I blow dry my hair and keep it a little damp and then do a tight bun on top of my head. Release it after a few hours and you’ll have super nice waves ;) If there are marks on your crown beucase of the bun, just use the straight iron to even them out.

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