If you’ve ever stood in the hair care aisle wondering about hair serum vs leave in conditioner, you’re not the only one (we’ve all been there at some point!). Both products promise smoother, healthier hair, but they work in very different ways. Knowing which one to reach for and when can make a big difference in how your hair looks and feels. Our team at Big Kizzy will explain all the details, so you can stop guessing and start seeing results!
Serum Vs Leave In Conditioner: What’s The Difference?
Before we get into which one is better, it helps to understand what each product actually does. Whether you’re a stylist looking for products for your clients or you want the best products for your own hair, we’ll cover the basics first.
Here’s what you need to know about hair serum vs leave in conditioner:
Hair Serum
A hair serum is a lightweight, concentrated formula that penetrates the hair cuticle to smooth frizz, boost shine, and restore moisture from the inside out. It’s designed to target specific concerns like dryness, damage, and unruly hair, and a little goes a long way (our hair oil can also work the same way, more on this later!).
Leave In Conditioner
A leave in conditioner sits on top of the hair to provide a layer of moisture and detangling power. It’s typically used after washing to soften the hair and make it more manageable before styling. Both have their place in a hair care routine, but they serve different purposes.
Should You Use a Serum or a Leave In Conditioner?
So, with serum vs leave in conditioner, which should you use? Here’s the thing: you don’t have to choose! For most people, using both gives you the best of both worlds. Start with a leave in conditioner on damp hair for softness and detangling, then follow up with a hair serum once your hair is dry to seal in moisture, fight frizz, and add shine.
If you can only pick one, think about what your hair needs most. If it’s manageability and moisture after washing, go with a leave in. If it’s frizz control, shine, and nourishment throughout the day, a serum is your best bet. When it comes to hair serum vs leave in conditioner, there’s no wrong answer. It’s all about finding what works for your hair.
Is It Better to Use Hair Serum or Leave In Conditioner First?
This is one of the most common questions when it comes to layering hair care products. If you’re using both, the general rule is that leave in conditioner goes on first. Since it’s water-based and designed to be absorbed into the hair, it works best on freshly washed, damp hair before anything else is applied.
Serum or leave in conditioner first really comes down to what your hair needs at that moment. Once your leave in conditioner is in and your hair is mostly dry, that’s when you reach for your serum. Applying it last seals everything in, locks out humidity, and gives your hair that smooth, polished finish.
Why Use Leave In Conditioner?
Leave in conditioner is a go-to for anyone dealing with tangles, dryness, or hair that feels rough after washing. It adds a layer of softness and makes the hair easier to manage, especially for thicker or curlier hair types that need extra moisture to stay detangled. That said, leave in conditioner alone may not be enough if you’re dealing with frizz, damage, or hair that needs a serious boost of nourishment. That’s where a good hair serum (or our hair oil) comes in!
Which Hair Serum Is Best?
The best hair serum is one that does more than just sit on the surface of your hair. Our Thairapy™ Hair Repair Oil by Big Kizzy works just like a serum, tackling frizz, adding shine, and giving your hair the nourishment it needs, with the added benefit of natural oils that your hair will soak up.
Here’s why you’ll love our hair oil:
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Formulated with 100% all natural ingredients
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Packed with antioxidant-rich argan, marula, and coconut oils
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Organic and vegan
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No harsh chemicals or greasy layers
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Formulated to moisturize strands and smooth frizz
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Extension and color safe
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Helps extend the life of your extensions by keeping them nourished
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Trusted by stylists
Not sure how much to use? Here’s a quick guide:
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Thin/Fine Hair: 1 to 2 sprays
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Normal/Medium Hair: 2 to 3 sprays
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Thick/Coarse Hair: 3 to 5 sprays
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Damaged Hair: 6 to 8 sprays
Pro Tip: Add a few drops to your favorite conditioner for an extra hydration boost.
If you’re deciding between hair serum vs leave in conditioner, why not use both? It’ll keep your hair healthy, shiny, and looking its best. And if you’re looking for a product that truly delivers, our hair oil is the way to go.
Visit our website to shop our hair care products and extensions essentials for everything you need for gorgeous strands.