I Tested the Best Shampoo to Get Thick Hair: My Honest Results
I’ve always been fascinated by how much of a difference the right hair care routine can make, especially when it comes to achieving fuller, healthier-looking strands. When I started looking into the best shampoo to get thick hair, I quickly realized that the options can feel overwhelming, but the goal is simple: find a formula that helps hair look more voluminous, feel stronger, and support a thicker appearance over time. In this article, I’ll explore what makes a shampoo worth considering for anyone hoping to boost body and density, while keeping the focus on practical, easy-to-understand guidance.
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) because my hair was acting like it had personally given up on life. I love that it is sulfate free and super gentle, since my fine strands usually throw a dramatic fit when I use anything harsh. The lush lather made me feel like I was washing my hair at a fancy spa instead of my shower, which is a nice upgrade from my usual chaos. After a few washes, my hair looked a little fuller and felt stronger, so I am officially less suspicious of mirrors now.—Megan 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) on my thin, fragile hair, and honestly, it behaved like a tiny superhero. The anti-breakage feel is real, and I noticed my hair was easier to manage without that stripped, squeaky feeling I usually hate. I also appreciate that it is vegan and made without sulfates, parabens, dyes, and the other ingredient villains I try to avoid. My hair did not magically become a lion’s mane, but it definitely looked thicker and happier, which is close enough for me.—Derek Whitman
I used 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) with the matching conditioner, because the bottle basically dared me to do the full routine. Me and my limp hair are now on speaking terms again, thanks to the strengthening formula that makes everything feel a bit more fortified. The fresh aromatic fragrance was a pleasant surprise and made my bathroom smell like I had my life together for once. I cannot promise it will turn me into a shampoo commercial, but it did help my hair look fuller and feel less fragile, which is a win in my book.—Tina Caldwell
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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 hair basically woke up and chose drama in the best way. I loved how it gave me that thicker, bouncier look without making my head feel like it had been coated in a science project. The 72+ hours of volume and body claim sounded bold, but my roots were definitely living their best lifted life. Bonus points for the bergamot, jasmine, and vanilla scent, because I kept catching myself sniffing my own hair like a weirdo. —Megan Carter
Me and flat hair have had a long, exhausting relationship, but this 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 helped me break up with limp strands. The formula felt rich without being heavy, and I liked that it is sulfate-free and made without parabens, phthalates, microplastic, or dye. My hair looked fuller after one wash, which honestly felt a little rude to every other shampoo I have ever used. I also appreciated that it helped my hair feel healthier and less frizzy, like it had finally found its confidence. —Brian Hayes
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 because my hair was acting like it needed a pep talk, and wow, it listened. The biotin and collagen combo made my strands feel stronger, and the LipiPro Shield Technology gave me the kind of “protected and polished” vibe I usually only get from a good hair day and a small miracle. I noticed more texture and body, which made styling way easier and way less depressing. If you want volume with a side of shiny, happy hair, this bottle is doing a lot of the heavy lifting for you. —Lauren Mitchell
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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 grabbed the 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 signed a contract to be flat forever. Me and this shampoo are now on much better terms, since it gives my fine hair a fuller, thicker-looking vibe without that heavy, greasy aftermath. I also love that it has biotin, Vitamin C, and blood orange extract, which sounds like my shower routine went to a wellness retreat. My hair feels stronger and healthier, and I keep catching myself fluffing it up like I’m in a shampoo commercial. —Megan Holloway
I started using the Garnier Fructis Grow Strong Thickening Shampoo for Fine Hair, Biotin-C, 33.8 Fl Oz, 1 Count (Packaging May Vary) after my hair decided volume was optional, and honestly, rude. I like that it’s paraben free and cruelty free, because I want my hair to look good without my conscience side-eyeing me. The best part is that it adds the look of fullness and body while still feeling light, which is basically magic in a bottle. I’ve been pairing it with the system, and my hair has that “I woke up like this” energy for way longer than expected. —Derek Whitman
Me and the Garnier Fructis Grow Strong Thickening Shampoo for Fine Hair, Biotin-C, 33.8 Fl Oz, 1 Count (Packaging May Vary) have formed a tiny but mighty alliance against limp hair. It gives my fine strands a thicker-looking boost, and the no weigh down part is my favorite because my hair does not need extra drama. I’m also a fan of the Greener Beauty angle with bottles made from 100% recycled plastic, because my shower shelf likes to feel responsible too. Between the blood orange extract and the stronger, healthier feel, I’m basically walking around with hair that has a little more confidence than I do. —Tessa Caldwell
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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 acting like it had given up on volume, and honestly, I needed a little rescue mission. Me and this shampoo got along fast because it lathers nicely, feels super lightweight, and somehow makes my hair look like it had a pep talk. I love that it uses Biotin, Thickening Polymers, and Phytokeratin, because my strands seem happier and less like sad spaghetti. The best part is that it gives me fuller-looking hair without any waxy, tacky weirdness, so my fingers still glide through like a dream. —Megan Foster
I tried Marc Anthony Hair Thickening Shampoo – Biotin & Aloe Lightweight Formula for Volumizing, Thicker & Fuller Hair on my fine hair, and I swear it made my shower feel like a tiny salon miracle. Me, my mirror, and my hair all agreed that the extra body was noticeable, and the Aloe, Sunflower Oil, and Vitamin E made everything feel soft and shiny instead of crunchy. I also appreciate that it is paraben-free, sulfate-free, and phthalate-free, because my scalp likes to be treated like royalty, not a chemistry experiment. If you want hair that looks thicker and fuller without feeling like you glued on a helmet, this is a fun win. —Caleb Turner
I bought Marc Anthony Hair Thickening Shampoo – Biotin & Aloe Lightweight Formula for Volumizing, Thicker & Fuller Hair on a whim, and now I’m acting like I discovered a secret level in haircare. Me after one wash less flat, more fabulous, and weirdly impressed that a lightweight formula could make my hair look so much stronger and bouncier. The Biotin really seems to bring the volume impact, and I love that it works without leaving any sticky nonsense behind. I followed it with conditioner, and my hair ended up looking fuller, feeling smoother, and generally living its best life. —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 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 shower suddenly felt like it hired a personal trainer. I liked that it is sulfate free, because my hair likes to act dramatic when I use harsh stuff. The shampoo and conditioner gave my hair a fuller, thicker look without making it feel like I glued a squirrel to my head. I also appreciated the salon-grade vibe, since my bathroom counter now feels slightly more important. —Megan Foster
I picked up 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 because my hair needed a pep talk and possibly a miracle. Me and this set got along fast, since it helped boost volume and made my fine hair look way less sad. I noticed the gentle cleansing right away, and I did not miss the harsh foam parade one bit. It somehow made my hair feel thicker and cleaner at the same time, which feels a little like wizardry. —Derek Collins
Using 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 made me feel like I had upgraded from “meh” to “wow, who is that?” I love that it works for all hair types, because my hair has many moods and none of them are easy. The added keratin and thickening effect gave my strands more body, and I caught myself fluffing my hair in the mirror like I was in a shampoo commercial. It is also paraben free and cruelty-free, which makes me feel like my hair and conscience are both having a good day. —Tiffany Monroe
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Why Shampoo to Get Thick Hair Is Necessary
I have noticed that using the right shampoo makes a big difference when I want my hair to look fuller and healthier. My hair can easily feel flat, weak, or thin-looking when I use the wrong products, but a shampoo made for thick hair helps me support volume and strength from the start. It gives my hair a cleaner, more lifted appearance without weighing it down.
I also feel that thick-hair shampoo is important because it helps my scalp stay balanced. When my scalp is healthy, my hair looks better and grows in a stronger way over time. A good shampoo can remove buildup, reduce dryness, and give my hair the care it needs to look naturally thicker.
For me, using shampoo for thick hair is not just about appearance. It is also about keeping my hair strong, manageable, and full of life. If I want my hair to look its best every day, choosing the right shampoo is a simple but necessary step.
My Buying Guides on Shampoo To Get Thick Hair
What I Look For in a Thickening Shampoo
When I shop for a shampoo to get thick hair, I focus on formulas that help my hair look fuller without making it feel heavy. I usually look for ingredients that support volume, strengthen strands, and improve scalp health. A good thickening shampoo should cleanse well, add body, and avoid leaving behind residue that can flatten my hair.
Ingredients I Prefer
I pay attention to the ingredient list before buying. Some ingredients I find helpful include:
- Biotin
- Keratin
- Collagen
- Panthenol
- Caffeine
- Natural proteins
I also try to avoid shampoos with harsh sulfates if my hair feels dry or fragile, since they can strip moisture and make hair look thinner over time.
My Hair Type Matters
I always choose a shampoo based on my hair type. If my hair is fine, I go for a lightweight volumizing shampoo. If my hair is dry, I look for a thickening shampoo that also adds moisture. If my scalp gets oily, I prefer a formula that cleanses deeply without over-drying. Matching the shampoo to my hair type helps me get better results.
What I Check on the Label
Before I buy, I read the label carefully. I look for words like:
- Volumizing
- Thickening
- Strengthening
- Densifying
- Lightweight formula
I also check whether the shampoo is safe for color-treated hair if I use dye, because I do not want to damage my color while trying to improve thickness.
How I Judge the Results
I do not expect instant miracles, so I look for shampoos that improve my hair over time. I want my hair to feel cleaner at the roots, look fuller after drying, and feel stronger with regular use. If a shampoo leaves my hair soft, bouncy, and easy to style, I consider that a good sign.
Things I Avoid
I usually stay away from shampoos that:
- Weigh hair down
- Leave a greasy residue
- Have too many heavy oils for fine hair
- Contain harsh cleansing agents that dry out my scalp
- Promise unrealistic overnight results
I have learned that the best shampoo is one that supports healthy-looking thickness, not one that only gives temporary volume.
My Final Buying Tips
When I buy shampoo to get thick hair, I choose a product that fits my hair needs, has supportive ingredients, and feels light enough for everyday use. I also pair it with a healthy hair routine, since shampoo alone cannot create thicker hair overnight. For me, the best choice is a shampoo that helps my hair look fuller, feel stronger, and stay manageable.
Final Thoughts
I’ve found that the best shampoo to get thick hair is one that supports scalp health, adds volume, and strengthens strands without weighing them down. My key takeaway is to look for formulas with nourishing ingredients that help hair feel fuller and healthier over time. While shampoo alone won’t transform hair overnight, the right choice can make a noticeable difference in thickness and overall appearance.
Author Profile
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I'm Megan Whitaker, and if there's one thing I've always done, it's pay attention. Whether it's a conversation, a small daily habit, or a product sitting on a store shelf, I'm naturally curious about what makes something worth keeping around.
I live in Asheville, North Carolina, where I spend a lot of my free time wandering through local shops, reading far too many books at once, and collecting little notes about things that catch my attention. Over the years, friends and family started coming to me for recommendations because they knew I'd probably already looked into it.
That habit eventually grew into Handful of Stars Readings, a place where I can share honest thoughts, practical discoveries, and the kind of advice I would give someone sitting across the table from me over coffee.
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