This or That: Living Proof Prime Style Extender Hair Primer vs. Living Proof Perfect Hair Day 5-in-1 Style Treatment


I decided to cut my hair shorter for the summer.  This comes with pros and cons.  Since I couldn’t commit to cutting my hair above my shoulders, I decided to get a long lob just past my shoulders. My hairdresser forewarned me that this was probably a bad idea because the ends of my hair will always want to curl outwards at that length.  He was right!  The main reason I dislike cutting my hair shorter is sometimes it takes more time to style.  I have stick straight Asian hair, so when it is long, I pretty much just run a comb through it everyday.

Over the years, I have gotten samples of both Living Proof’s Prime Style Extender Hair Primer and Perfect Hair Day 5-in-1 Styling Treatment.  I have found they are both good at extending the longevity of your style and the cleanliness of your hair.  To me, I sometimes can almost use them interchangeability.  However, if I could only buy one, which one would I get?


The Primer claims to extend your style 2 times longer, keep your hair cleaner longer, and create a weightless shield to layer under other styling products.  The Styling Treatment claims to deliver smoothness, volume, conditioning, strength and polish to your hair, keep your style cleaner and longer, and make your hair stronger.  In conclusion, they both keep your style cleaner and longer. However, the main difference is that the styling treatment will obviously have other benefits such as add smoothness, volume etc.


Living proof is known for the science behind their products.  As indicated on their website, both these products contain their patented Healthy Hair Molecule (OFPMA) which creates a weightless shield to protect each piece of hair.  I think the big difference is that in the Styling Treatment, they also include their patented Volumizing Molecule (PBAE).  Both of these products are for all hair types, sulfate-free, silicone-free and oil-free and formulated for colour and chemically treated hair.

The scent is described as a citrus scent.  I mean, I don’t think it smells like a lemon or orange.  It just smells kind of fresh to me.  The scent lingers a bit the first day, but I don’t find it too strong or offensive.


I follow the instructions and apply the white gel on clean and damp hair, and distribute evenly with a comb.


I tried using either separately and together and I think if I had to pick, I would get the 5-in-1 Styling Treatment.  For me, using them separately, they keep my hair clean for up to 3 days and rarely do I ever I have to use my dry shampoo anymore.  The hair feels smooth and weightless when you run your fingers through it.

I think the main reason I would pick the Styling Treatment is that it does a very good job of holding a style.  I usually like the ends of my hair to curl towards my face, and with the treatment, the curl holds stronger and is more defined.  The hair in general has more volume as well.

The primer along with the styling treatment hold the style the longest.  However, I find just with the treatment, it holds for almost as long.  Even after I wake up, most of the style is in place (my ends are all curled) compared to if I didn’t use the product.

VERDICT:  Using both together will give the ultimate in maintaining the cleanliness and longevity of your hair style.  However, if you only wanted to get one, I would recommend the 5-in-1 Styling Treatment because it pretty does it all on its own.


5 thoughts on “This or That: Living Proof Prime Style Extender Hair Primer vs. Living Proof Perfect Hair Day 5-in-1 Style Treatment

  1. I love the 5-in-1 treatment, too. In fact, I love all of Living Proof’s products. I’ve never come across a hair line that does exactly what they say they’re going to do. And I’m jealous of your straight, thick hair. I’ve always had thin, wavy hair — sigh. (Who says Asians all have thick, straight hair, haha)

    Liked by 1 person

  2. Ooh, thanks! This pretty much resolves my perpetual dilemma of choosing between the two. Perfect Hair Day seemed like the more obvious choice, but it costs at least CAD$15-20 more, and has only half the amount of product compared to the Style Extender. The price difference was significant enough to question which one I could live without – so PHD it is!

    Also, during my tests, I also found that the Style Extender didn’t necessarily prevent that sort of greasiness at the roots, though Perfect Hair Day seemed to actually keep my hair looking ~fresher and cleaner, for longer. Did anyone find this as well?

    Liked by 1 person

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