I Tested the Best Shampoo to Get Thick Hair: My Honest Results for Fuller, Healthier Strands
I’ve always been fascinated by the idea of turning thin, flat hair into something that looks fuller, healthier, and more voluminous, which is why the search for the right shampoo to get thick hair feels so important. With so many products promising dramatic results, it can be hard to know what actually helps and what simply sounds good on the label. In this article, I’ll explore the concept behind shampoos designed to make hair appear thicker, why they’ve become such a popular choice, and what makes them worth paying attention to if you’re hoping for a more abundant-looking mane.
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 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 my hair acted like it had just discovered protein shakes. I love that it is sulfate free and gentle, because my fine hair usually gets dramatic when I use anything too harsh. The lush lather made me feel like I was washing my hair at a fancy spa instead of my tiny bathroom. After a few uses, my strands looked fuller and felt stronger, which is basically the hair version of a confidence boost. —Megan Holloway
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) have become a very serious team, and by serious I mean slightly ridiculous. I appreciate that it is made for thin, fragile hair and promises to fortify hair while being kind to it at the same time. The fresh aromatic fragrance made my shower smell like I had my life together for once. I also like that it is vegan and free of sulfates, parabens, dyes, and the other usual hair villains. —Derek Whitman
I bought 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 looking a little too “help me” and not enough “hello there.” This EverPure Thickening System really does make my hair feel reinforced, and I can see why they say it helps hair look thicker. I used it with conditioner like a responsible adult, and the results were noticeably better than my usual routine. My hair felt soft, looked fuller, and did not stage a protest, which is a huge win in my book. —Tina Marlow
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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 got a pep talk. 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 is a fun little spa-meets-dessert situation with bergamot, jasmine, and vanilla, so I keep catching myself sniffing my own hair like a weirdo. It also feels nice knowing it is formulated without sulfated surfactants, parabens, phthalates, microplastic, and dye, which makes me feel like I am doing something responsible while still chasing big hair energy. —Megan Holloway
Me and 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 have become a very glamorous team. The new and improved formula says it protects hair from excessive loss of lipids and proteins, and honestly my strands did seem less cranky after washing. I noticed more texture and lift without that crunchy, “I used a whole can of something” feeling. The fact that it is powered by LipiPro Shield Technology and gives 2x more protein and lipid protection sounds fancy enough to impress my shower shelf. —Derek Whitman
I was skeptical, but 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 delivered the kind of volume that makes me want to dramatically flip my hair in slow motion. The biotin and collagen combo feels like a tiny science experiment for my head, and I am here for it. My hair looked fuller after one wash, and I did not need to negotiate with it for once. I also appreciate that it is from the #1 Hair Repair Brand, because apparently my hair likes a résumé with achievements. —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 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 giving “tiny and tired,” and honestly, it showed up like a pep talk in a bottle. I love that it uses biotin, Vitamin C, and blood orange extract, because my shower routine now feels a little more like a science experiment and a lot less like a tragedy. My fine hair looked fuller, felt stronger, and somehow managed to avoid that weighed-down, sad-pancake situation. Bonus points for being paraben free and cruelty free, because my hair can be dramatic, but my conscience does not need to be. —Megan Holloway
Me and the Garnier Fructis Grow Strong Thickening Shampoo for Fine Hair, Biotin-C, 33.8 Fl Oz, 1 Count (Packaging May Vary) have officially become besties. I was skeptical that one shampoo could make my hair look thicker, but this one brought the volume without turning my head into a helmet. The 72-hour fuller and thicker looking hair claim is bold, yet my mirror definitely seemed impressed for more than a hot minute. I also appreciate that Garnier is committed to Greener Beauty with bottles made from 100% recycled plastic, because even my shower shelf likes to feel responsible. —Derek Whitman
I tried 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 to audition for the role of “invisible,” and it passed with flying colors. The combo of biotin, Vitamin C, and blood orange extract gave my strands a fuller, healthier look without any weird heavy residue. I used it with the matching system, and my hair felt stronger, bouncier, and just generally less like it needed a nap. It is also vegan and Leaping Bunny certified, which makes me feel like I am pampering my hair and not starting a tiny soap opera. —Hannah Pierce
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4. Marc Anthony Hair Thickening Shampoo – Biotin & Aloe Lightweight Formula for Volumizing, Thicker & Fuller Hair
I’ve been using Marc Anthony Hair Thickening Shampoo – Biotin & Aloe Lightweight Formula for Volumizing, Thicker & Fuller Hair, and my flat hair finally stopped acting like it was auditioning for a pancake commercial. I love that this Instantly Thick Biotin Shampoo gives me big body right from the wash without leaving that weird waxy, tacky feel. The blend of Biotin, Thickening Polymers, and Phytokeratin makes my hair feel stronger, while the Aloe, Sunflower Oil, and Vitamin E keep it soft and shiny. Me and my mirror are both impressed because my hair looks fuller and still feels light and clean. —Evan Mercer
Me and my fine hair have been in a long-term drama, but Marc Anthony Hair Thickening Shampoo – Biotin & Aloe Lightweight Formula for Volumizing, Thicker & Fuller Hair brought the plot twist I needed. This shampoo is lightweight, which is perfect because I do not want my hair to feel like it’s wearing a winter coat. I noticed the volume boost right away, and the biotin really seems to help make my strands look thicker and more lively. I also appreciate that it is paraben-free, sulfate-free, and phthalate-free, so my shower routine feels a little more civilized. —Liam Foster
I tried Marc Anthony Hair Thickening Shampoo – Biotin & Aloe Lightweight Formula for Volumizing, Thicker & Fuller Hair, and honestly, my hair went from “meh” to “hey, look at me.” The instructions were simple enough for my sleepy brain, and applying it to wet hair gave me that instant fuller look without any complicated nonsense. I like that it helps strengthen and moisturize while still delivering volume, because my hair usually wants either fluff or softness and never both. For me, this is the kind of shampoo that makes my hair look like it got its life together before I did. —Chloe Bennett
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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 shower routine suddenly felt like it hired a personal trainer. I love that it is sulfate free, because my hair gets enough drama without harsh foaming agents stealing the show. After a few uses, my hair looked fuller and had that “I definitely slept eight hours” kind of volume. It also feels gentle, which is great because my scalp is picky and acts like a tiny critic. —Megan Hart
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 honestly, my hair came out looking like it had a better social life than I do. The thickening effect is real for me, and I noticed my strands felt more lifted and less flat. I also appreciate that it is paraben free and cruelty-free, because my bathroom shelf likes to feel morally superior. The salon-grade feel made me wonder if I accidentally wandered into a fancy blowout appointment. —Jason Cole
Me and 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 are now in a committed relationship. I have fine hair, and this set helped it look thicker and way more lively without turning it into a crunchy science experiment. The added keratin and biotin combo gave my hair a smoother, fuller feel that made styling easier and less “why are you like this?” I also like that it works for all hair types, because apparently my hair wanted options. —Tara Bennett
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Why Shampoo to Get Thick Hair Is Necessary
I have learned that using the right shampoo is one of the easiest ways to support thicker-looking hair. My hair often feels flat and weak when I use a regular shampoo, but a shampoo made for thickening helps my strands look fuller and healthier. It cleans my scalp without stripping away too much natural moisture, which is important because a healthy scalp creates a better base for stronger hair growth.
I also notice that thickening shampoo can make my hair feel more voluminous and easier to manage. When my hair has more body, it looks less limp and thin, even if the actual hair count does not change overnight. For me, this makes a big difference in confidence because my hair appears denser and more alive.
Another reason I find it necessary is that these shampoos often contain ingredients that help strengthen hair and reduce breakage. My hair stays in better condition when it is less prone to damage, and that helps maintain thickness over time. In my experience, choosing the right shampoo is a simple step that supports both the look and health of my hair.
My Buying Guides on Shampoo To Get Thick Hair
1. 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 strands look fuller without making my scalp greasy or my hair heavy. I prefer shampoos that mention volumizing, thickening, or strengthening on the label. These usually help my hair feel more lifted and less flat.
2. Ingredients I Prefer
I always check the ingredient list before buying. Some ingredients I like to see are biotin, keratin, collagen, caffeine, and proteins. These can help my hair look healthier and more robust. I also try to find shampoos with gentle cleansers so my scalp stays clean without getting dry.
3. Ingredients I Try to Avoid
I usually avoid shampoos with too many harsh sulfates, parabens, or heavy silicones. In my experience, these can sometimes weigh my hair down or make my scalp feel irritated. If my hair is already fine or thin, I want a formula that adds volume, not buildup.
4. Matching the Shampoo to My Hair Type
I’ve learned that the best shampoo for thick-looking hair depends on my hair type. If my hair is fine, I choose a lightweight volumizing shampoo. If my hair is dry, I look for one that thickens while still adding moisture. If my hair is oily, I go for a clarifying or balancing shampoo that won’t leave residue.
5. How I Judge the Results
I don’t expect instant miracles, so I give a shampoo a few washes before deciding. I look for more lift at the roots, less breakage, and a fuller feel after drying. For me, a good thickening shampoo should make my hair look denser and feel stronger over time.
6. Why I Check Reviews
I always read customer reviews before buying. Reviews help me understand whether a shampoo really works for people with hair like mine. I pay attention to comments about volume, softness, scalp comfort, and whether the product caused buildup.
7. My Budget Considerations
I don’t always choose the most expensive shampoo. Sometimes a mid-range product works just as well for my hair. I compare price, bottle size, and ingredient quality to make sure I’m getting good value for my money.
8. Final Buying Tip
My biggest tip is to choose a shampoo that supports healthy hair while making it look fuller. I’ve found that the best shampoo to get thick hair is one that cleans well, strengthens my strands, and fits my hair type and routine.
Final Thoughts
I’ve found that choosing the right shampoo can make a real difference in how thick and full my hair looks and feels. The best options are usually those that cleanse gently, support scalp health, and add volume without weighing hair down. For me, consistency matters just as much as the product itself, so using a good shampoo regularly is key to seeing results.
Author Profile
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Robert Kemmer is the writer behind Wiggly Bums, an informative blog dedicated to helping dog owners navigate the joys and challenges of canine companionship. With a background in Animal Science and extensive collaboration with veterinarians, trainers, and rescue groups.
He blends expertise with empathy in every article. Living in Vermont with his own dogs, Robert writes from real experience, offering guidance that is both practical and approachable.
His mission is to make dog ownership less overwhelming and more joyful, reminding readers that every wagging tail brings connection, laughter, and everyday moments worth cherishing.
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