10 Best Hair Thickening Creams, Mousses, and Serums That Actually Work
Our hair changes as we age, sometimes subtly, sometimes dramatically. What used to feel full and voluminous may start to feel finer, thinner, or just a little less lively. But the good news? There are hair thickening products out there that can help bring back some bounce, body, and confidence, without spending hours in front of the mirror or booking expensive salon treatments.
From lightweight mousses that give your roots a lift to serums that work over time to support thicker-looking hair, these products are designed to work with mature hair, not against it.
Here are our top 5 hair thickening products:
- The Ordinary Multi-Peptide Serum for Hair Density – This affordable, fragrance-free serum is packed with peptides and caffeine to help support a thicker-looking scalp over time. It’s ideal for nightly use and absorbs quickly without residue.
- Living Proof Full Thickening Mousse – This cult-favorite mousse adds weightless volume and flexible hold that lasts all day. Great for fine, limp hair that needs a lift without stiffness.
- Moroccanoil Thickening Lotion – Infused with nourishing argan oil, this styling lotion adds softness, body, and subtle shine without heaviness. Perfect for smoothing frizz while boosting fullness.
- Hairlust Grow Perfect™ Thickening Mousse – This multitasking mousse delivers volume instantly while also supporting hair growth with botanical actives like Anagain™. It’s a two-in-one solution for styling and long-term hair health.
- Bumble and Bumble Thickening Full Form Mousse – Salon-tested and loved, this airy mousse offers buildable volume and structure when heat-styled. It works especially well for soft, bouncy blowouts with staying power.
Let’s dive into what makes a great thickening product, what to look for, and ten reliable picks women are loving right now.
Why Does Hair Thin as We Age?
Hormones, genetics, years of coloring and heat styling, and even medications can play a role. Our scalp also produces less oil, which can make hair feel more brittle and less plump. But that doesn’t mean we’re stuck with flat hair forever. With the right products, we can support a fuller, healthier appearance.
What Should I Look for in a Hair Thickening Product?
Before clicking add to cart, check the label for these helpful features:
- Biotin, keratin, or peptides to support hair structure.
- Caffeine or botanical extracts that help stimulate the scalp.
- Weightless formulas, especially if your hair is fine or flat.
- Heat protection if you blow-dry or style often.
- Frizz control that won’t sacrifice volume.
Serums are typically applied at the root and left in, while mousses and creams are great for styling and lifting the hair shaft. You might end up using a combination, and that’s perfectly fine.
Read more: 10 Best Caffeine Shampoos.
Are Thickening Products Safe for Color-Treated Hair?
Most modern formulas are color-safe, but always double-check. If you’re using salon color or highlights, make sure the product doesn’t contain harsh sulfates or alcohol that can strip the color faster.
Do These Products Actually Work?
They can absolutely help. Thickening creams, mousses, and serums won’t change your hair overnight, but they can improve texture, lift, and fullness, especially when used consistently. The trick is finding the right product for your hair type and styling habits.
10 Hair Thickening Products Worth Trying
The Ordinary Multi-Peptide Serum for Hair Density
Why we like it: Affordable, fragrance-free, and packed with peptides and caffeine.
How it works: A nighttime serum that you apply directly to your scalp to support a fuller appearance over time. No sticky residue.
Perfect for: Women who want to nourish thinning roots without heavy styling.
Price: $22.80
Viviscal Hair Thickening Serum
Why we like it: Part of a well-known brand that supports hair wellness from the inside out.
How it works: Lightweight formula with biotin, keratin, and marine collagen to help create the look of more density.
Perfect for: Pairing with Viviscal supplements or other scalp treatments.
Price: $15
Thicker Fuller Hair Cell-U-Plex Thickening Serum
Why we like it: Clean, budget-friendly formula.
How it works: Uses Cell-U-Plex botanical complex to coat each strand and give immediate lift.
Perfect for: Women who want results now and don’t want to spend a fortune.
Price: $7.99
Label.m Thickening Cream
Why we like it: Adds volume while protecting against heat.
How it works: Heat-activated formula with cupuaçu butter and Revitaboost for body and shine.
Perfect for: Blow-dry lovers who want more bounce and volume.
Price: $33
Moroccanoil Thickening Lotion
Why we like it: Smooths and plumps hair with argan oil without feeling greasy.
How it works: Provides soft volume and heat protection. Smells amazing.
Perfect for: Frizz-prone or dry hair that needs volume and softness.
Price: $32
Hairlust Grow Perfect™ Thickening Mousse
Why we like it: Combines volume with hair-supporting ingredients like Anagain™.
How it works: Foam formula adds texture and body while supporting scalp health.
Perfect for: Fine hair needing styling help and long-term support.
Price: $42
Living Proof Full Thickening Mousse
Why we like it: Reliable, weightless mousse with a strong salon following.
How it works: Thickens each strand and holds the style without crunch.
Perfect for: Flat or limp hair that needs a lift and light hold.
Price: $32
Bumble and Bumble Thickening Full Form Mousse
Why we like it: A long-time salon favorite with great results.
How it works: Foamy mousse that helps build body and structure, especially when blow-dried.
Perfect for: Women who want thicker-feeling hair and a flexible, polished finish.
Price: $37
Navy Hair Care Swell Thickening Cream
Why we like it: Infused with pro-vitamin B5 and sunflower seed for hydration and volume.
How it works: Adds body and soft hold with a light, clean fragrance.
Perfect for: Medium to thick hair that needs volume with a bit of styling hold.
Price: $34
Color Wow Xtra Large Bombshell Volumizer
Why we like it: No alcohol or drying ingredients, just plump, touchable volume.
How it works: Lightweight foam that delivers dramatic fullness with a silky feel.
Perfect for: Anyone avoiding drying ingredients or dealing with color-treated hair.
Price: $26
How Do I Use These Products for Best Results?
- Apply mousse or cream to damp hair and blow-dry with a round brush for best lift.
- Serums work best when applied directly to the scalp daily or nightly.
- Avoid overloading with too many products; start with a small amount.
- For very fine hair, stick to weightless mousses and avoid heavy creams.
Can I Combine a Serum with a Mousse or Cream?
Yes! Start with a serum at the scalp to support healthy hair and follow with a mousse or cream on the lengths and ends for volume and style. Let the serum absorb fully before blow-drying.
You don’t need a whole new hair routine to get noticeable results. A well-chosen thickening cream, mousse, or serum can work wonders, especially when used consistently. Start with one that matches your styling habits and hair type, and you might be surprised at how much fuller and healthier your hair starts to feel.
Read more: The Best Hair Serums for Fighting Frizz and Adding Shine.
Let’s Have a Conversation:
Have you found a hair thickening product you love? Do you prefer a serum you can apply at night or a mousse you style in the morning? What hair changes have you noticed recently, and what’s helped? Let us know in the comments below. We would love to hear what’s working for you.
