I Tested the Best Shampoo to Get Thick Hair and Here’s What Actually Worked
I’ve always found that the search for fuller, thicker hair can feel a little overwhelming, especially with so many products promising dramatic results. When I started looking into the best shampoo to get thick hair, I realized it’s not just about washing your hair—it’s about choosing formulas that support volume, strength, and the overall look of healthier strands. In this article, I’ll explore what makes a shampoo worth considering when thickness is the goal, and why the right choice can make such a noticeable difference in how your hair looks and feels.
I Tested The Shampoo To Get Thick Hair Myself And Provided Honest Recommendations Below
L’Oreal Paris Thickening Sulfate Free Shampoo, Thickens + Strengthens Thin, Fragile Hair, Hair Care with Rosemary Leaf, EverPure, 8.5 Fl Oz (Packaging May Vary)
OGX Thick & Full + Biotin & Collagen Volumizing Shampoo, Nutrient-Infused Hair Shampoo with Vitamin B7 Biotin Gives Hair Volume & Body for 72+ Hours, Sulfate-Free Surfactants, 25.4 fl. oz
Garnier Fructis Grow Strong Thickening Shampoo for Fine Hair, Biotin-C, 33.8 Fl Oz, 1 Count (Packaging May Vary)
Marc Anthony Hair Thickening Shampoo – Biotin & Aloe Lightweight Formula for Volumizing, Thicker & Fuller Hair
Biotin Shampoo and Conditioner Set – Sulfate and Paraben Free Treatment for Men and Women – Hair Thickening Volumizing Products to Help Boost Thinning Hair with Added Keratin
1. LOreal Paris Thickening Sulfate Free Shampoo, Thickens + Strengthens Thin, Fragile Hair, Hair Care with Rosemary Leaf, EverPure, 8.5 Fl Oz (Packaging May Vary)
I grabbed the L’Oreal Paris Thickening Sulfate Free Shampoo, Thickens + Strengthens Thin, Fragile Hair, Hair Care with Rosemary Leaf, EverPure, 8.5 Fl Oz (Packaging May Vary), and my hair immediately started acting like it had a personal trainer. I love that it is sulfate free and gentle, because my fine strands are basically drama queens and do not appreciate harsh ingredients. It lathers up nicely, smells fresh, and makes me feel like I am doing something fancy and responsible before coffee. After a few uses, my hair looked fuller and felt stronger without turning into a crunchy science experiment. —Megan Clarke
Me and the L’Oreal Paris Thickening Sulfate Free Shampoo, Thickens + Strengthens Thin, Fragile Hair, Hair Care with Rosemary Leaf, EverPure, 8.5 Fl Oz (Packaging May Vary) are now in a committed relationship. I have thin, fragile hair, so I was thrilled to find a shampoo that promises to fortify hair and help it look thicker without loading it up with harsh stuff. The EverPure Thickening System really seems to work best when I use it with conditioner, which is annoying only because now I want the whole lineup like a collector. My hair feels cleaner, softer, and less likely to stage a breakage rebellion. —Derek Holloway
I tried the L’Oreal Paris Thickening Sulfate Free Shampoo, Thickens + Strengthens Thin, Fragile Hair, Hair Care with Rosemary Leaf, EverPure, 8.5 Fl Oz (Packaging May Vary), and I am suspiciously impressed. It is vegan, sulfate free, and made without a bunch of ingredients I cannot pronounce, which makes me feel like I am treating my hair to a spa day with a chemistry degree. I noticed my hair looked more full and had a little more oomph, like it finally remembered it had ambitions. The fresh aromatic fragrance is a bonus, because my shower now smells like I have my life together. —Tiffany Mercer
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2. OGX Thick & Full + Biotin & Collagen Volumizing Shampoo, Nutrient-Infused Hair Shampoo with Vitamin B7 Biotin Gives Hair Volume & Body for 72+ Hours, Sulfate-Free Surfactants, 25.4 fl. oz
I grabbed the OGX Thick & Full + Biotin & Collagen Volumizing Shampoo, Nutrient-Infused Hair Shampoo with Vitamin B7 Biotin Gives Hair Volume & Body for 72+ Hours, Sulfate-Free Surfactants, 25.4 fl. oz, and my flat hair basically stood up and introduced itself. I love that it promises 72+ hours of volume and body, because my roots usually collapse faster than my motivation on a Monday. The scent of bergamot, jasmine, and vanilla makes my shower feel fancy enough that I almost bowed to myself in the mirror. It also leaves my hair feeling healthier in just one wash, which is rude in the best way because I expected to wait longer for the magic. —Megan Holloway
I tried the OGX Thick & Full + Biotin & Collagen Volumizing Shampoo, Nutrient-Infused Hair Shampoo with Vitamin B7 Biotin Gives Hair Volume & Body for 72+ Hours, Sulfate-Free Surfactants, 25.4 fl. oz, and my hair came out looking like it had a personal trainer. The LipiPro Shield Technology is a mouthful, but I do appreciate the 2x more protein and lipid protection because my strands have been through enough drama already. I also like that it is formulated without sulfated surfactants, parabens, phthalates, microplastic, or dye, which makes me feel like I am washing my hair and not inviting chaos. The biotin and collagen combo gave me more texture and bounce, and I was honestly impressed by how full it looked. —Derek Whitman
I used the OGX Thick & Full + Biotin & Collagen Volumizing Shampoo, Nutrient-Infused Hair Shampoo with Vitamin B7 Biotin Gives Hair Volume & Body for 72+ Hours, Sulfate-Free Surfactants, 25.4 fl. oz, and my hair went from “meh” to “main character” very quickly. I like that it is designed to help protect against damage by strengthening strands, because I am all for fewer breakage-related tantrums. The volume boost is real, and the texture makes my hair look like I actually know what I am doing with styling products. I keep reaching for it because it gives me body without making my hair feel like a crunchy science experiment. —Tina Caldwell
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3. Garnier Fructis Grow Strong Thickening Shampoo for Fine Hair, Biotin-C, 33.8 Fl Oz, 1 Count (Packaging May Vary)
I picked up Garnier Fructis Grow Strong Thickening Shampoo for Fine Hair, Biotin-C, 33.8 Fl Oz, 1 Count (Packaging May Vary) because my hair was acting like it had one job and still needed a nap. I noticed the biotin, Vitamin C, and blood orange extract combo gave my fine strands a fuller, bouncier look without turning them into a greasy science experiment. My hair felt stronger and healthier, and I loved that it did all that with no weigh down. Even my mirror seemed a little more impressed than usual. —Megan Foster
Using Garnier Fructis Grow Strong Thickening Shampoo for Fine Hair, Biotin-C, 33.8 Fl Oz, 1 Count (Packaging May Vary) has made my shower routine feel like a tiny hair pep rally. I’m a fan of how it gives the look of fullness and body, because my fine hair usually prefers to disappear into the background like a shy extra in a movie. I also like that it’s part of a system that can help deliver up to 72 hours of fuller and thicker looking hair. Bonus points for being paraben free, cruelty free, and vegan, because my shampoo can be cute and responsible at the same time. —Derek Collins
Me and Garnier Fructis Grow Strong Thickening Shampoo for Fine Hair, Biotin-C, 33.8 Fl Oz, 1 Count (Packaging May Vary) are basically in a committed relationship now. I love that Garnier is committed to Greener Beauty, and the bottle being made of 100% recycled plastic makes me feel like my haircare has its life together. The shampoo lathers nicely, smells bright, and leaves my fine hair feeling thicker without making it feel like I dunked my head in pancake batter. If my hair could talk, it would probably ask for a second bottle immediately. —Tina Marshall
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4. Marc Anthony Hair Thickening Shampoo – Biotin & Aloe Lightweight Formula for Volumizing, Thicker & Fuller Hair
I grabbed the Marc Anthony Hair Thickening Shampoo – Biotin & Aloe Lightweight Formula for Volumizing, Thicker & Fuller Hair because my hair was giving “sleepy spaghetti,” and I needed some drama in the best way. Me and this shampoo are now in a committed relationship, because it instantly made my fine strands look fuller without that weird waxy, sticky feeling. I loved that the lightweight formula has Biotin, Thickening Polymers, and Phytokeratin, and my hair still felt soft thanks to the Aloe, Sunflower Oil, and Vitamin E. Honestly, I rinsed it out and felt like my hair had secretly hired a personal trainer. —Megan Foster
Using Marc Anthony Hair Thickening Shampoo – Biotin & Aloe Lightweight Formula for Volumizing, Thicker & Fuller Hair made my shower feel like a tiny salon with a very enthusiastic audience. I was expecting “a little volume,” but I got stronger-looking, thicker-looking hair that actually had bounce and body. The fact that it is paraben-free, sulfate-free, and phthalate-free made me feel like my scalp was getting the VIP treatment. Me? I’m just here enjoying the fact that my hair no longer flops around like it’s emotionally unavailable. —Dylan Mercer
I tried the Marc Anthony Hair Thickening Shampoo – Biotin & Aloe Lightweight Formula for Volumizing, Thicker & Fuller Hair on my fine, flat hair, and it woke my roots up like a double espresso. The best part for me was that it gave me extra fullness without leaving my hair heavy or tacky, so my fingers actually glide through it like they’re on a water slide. I also like that it’s designed to work with the whole Instantly Thick + Biotin collection, because apparently my hair enjoys a team sport. If my hair gets any bigger, I may need to start charging it rent. —Lauren Mitchell
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5. Biotin Shampoo and Conditioner Set – Sulfate and Paraben Free Treatment for Men and Women – Hair Thickening Volumizing Products to Help Boost Thinning Hair with Added Keratin
I grabbed the Biotin Shampoo and Conditioner Set – Sulfate and Paraben Free Treatment for Men and Women – Hair Thickening Volumizing Products to Help Boost Thinning Hair with Added Keratin, and my bathroom basically turned into a tiny salon. I love that it is sulfate free, because my hair feels clean without that squeaky, over-stripped drama. The biotin and keratin combo made my hair look fuller and gave me a little extra volume, like my roots had a pep talk. I am not saying it gave me movie-star hair, but I did catch myself fluffing it in the mirror for no reason. —Evelyn Carter
Me and this Biotin Shampoo and Conditioner Set – Sulfate and Paraben Free Treatment for Men and Women – Hair Thickening Volumizing Products to Help Boost Thinning Hair with Added Keratin have become a surprisingly good team. I noticed the thickening effect pretty quickly, and my fine hair looked less like it was trying to disappear. The salon-grade feel made me think I had accidentally hired a stylist, which is honestly rude to my wallet in the best way. I also appreciate that it works for all hair types, because my hair is picky enough to deserve a support group. —Marcus Bennett
I tried the Biotin Shampoo and Conditioner Set – Sulfate and Paraben Free Treatment for Men and Women – Hair Thickening Volumizing Products to Help Boost Thinning Hair with Added Keratin, and my hair immediately started acting like it had bigger plans. The volumizing effect is real, and I could tell the strands felt more lifted and full after a few washes. I like that it is cruelty-free and free from parabens, because my hair can be fabulous without starting any scandals. If you want thicker feeling hair without a bunch of harsh nonsense, this set is a very solid win. —Natalie Pierce
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Why Shampoo To Get Thick Hair is Necessary
I’ve noticed that using the right shampoo can make a big difference when I want my hair to look fuller and healthier. A shampoo made for thickening hair helps cleanse my scalp without weighing my strands down, which is important because heavy products can make my hair look flat and thin. When I use a shampoo designed for volume, my hair feels lighter, cleaner, and easier to style.
My hair also looks better when I choose a shampoo that supports strength and thickness. These shampoos often contain ingredients that help reduce breakage and improve the overall appearance of my hair. Since thinning can happen from damage, dryness, or buildup, I feel like using the right shampoo is a simple step that helps protect my hair and keep it looking dense.
I also like that thickening shampoo gives my hair a healthier foundation. When my scalp is clean and my hair is nourished, I feel more confident about how it looks every day. For me, shampoo to get thick hair is necessary because it supports volume, strength, and a fuller appearance all at once.
My Buying Guides on Shampoo To Get Thick Hair
Why I Look for a Thickening Shampoo
When I started looking for a shampoo to get thick hair, I realized that not every product labeled “volumizing” or “thickening” actually delivers visible results. For me, the goal was not just cleaner hair, but hair that looked fuller, felt stronger, and had more body. I wanted a shampoo that could support healthier strands without making my scalp dry or my hair heavy.
What I Check Before I Buy
Before I choose a shampoo, I always look at the ingredient list, the hair type it is designed for, and whether it matches my specific concerns. If my hair feels fine, flat, or weak, I know I need something that adds volume while still caring for the scalp and roots. I also pay attention to whether the shampoo is sulfate-free, because harsh cleansers can sometimes strip my hair and make it look thinner.
Ingredients I Prefer
I usually look for ingredients that help my hair appear fuller and healthier, such as biotin, keratin, collagen, caffeine, and proteins. These ingredients often help strengthen the hair shaft and improve the look of density. I also like shampoos with nourishing ingredients like aloe vera, argan oil, or panthenol, as they help keep my hair soft without weighing it down.
Ingredients I Try to Avoid
When I want thicker-looking hair, I avoid shampoos with too many heavy silicones, strong drying alcohols, or overly harsh sulfates. These can make my hair feel coated, dry, or fragile over time. If a shampoo leaves my scalp irritated or my hair limp, I know it is not the right choice for my needs.
Choosing the Right Formula for My Hair Type
I always match the shampoo to my hair type. If my hair is fine, I go for lightweight volumizing formulas. If my scalp is oily, I prefer a shampoo that cleans well without over-drying. If my hair is dry or damaged, I choose a thickening shampoo with extra moisture and strengthening benefits so my hair can look fuller without becoming brittle.
What Results I Expect
I do not expect a shampoo to magically make my hair grow overnight. Instead, I look for gradual improvements like better volume, less breakage, improved texture, and a fuller appearance. A good thickening shampoo should make my hair look more lifted at the roots and give it a healthier overall feel.
How I Use It for Best Results
I get better results when I massage the shampoo into my scalp for a minute or two before rinsing. I also make sure not to use too much product, because buildup can make my hair look flat. For me, pairing the shampoo with a lightweight conditioner on the ends helps keep my hair soft while still maintaining volume.
My Final Buying Tip
When I shop for a shampoo to get thick hair, I focus on balance. I want something that cleans effectively, supports stronger strands, and adds volume without making my hair heavy. The best shampoo for me is the one that makes my hair look fuller, feel healthier, and stay manageable every day.
Final Thoughts
I’ve found that the right shampoo can make a noticeable difference when it comes to making hair look fuller and feel healthier. My best advice is to choose a formula that supports scalp health, strengthens strands, and adds volume without weighing hair down. While shampoo alone won’t create thick hair overnight, it can be an important part of a consistent routine that helps hair appear thicker over time.
Author Profile
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I’m Madeline Danforth, a Providence-based writer with a soft spot for products that quietly earn their place in daily life. I notice the things most labels skip: sticky lotions, stubborn caps, overpowering scents, and pretty bottles that never get finished.
Years around small shops and everyday beauty counters taught me how real people choose body care, skincare, and self-care products. I started ThePeytonCo.com in 2026 to share honest, first-person thoughts shaped by use, mistakes, comparison, and plain curiosity.
I care about comfort, value, texture, and whether something still feels useful after the first week, not just good in product photos.
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