I Tested OGX Thick & Full Biotin & Collagen Shampoo: My Honest Review for Fuller, Thicker Hair
If you’re anything like me, you’ve probably come across a haircare product that promises fuller, thicker-looking hair and wondered whether it actually lives up to the hype. That’s exactly why I wanted to take a closer look at this Ogx Thick & Full Biotin & Collagen Shampoo review. With its bold claims and popularity among people looking to boost volume, this shampoo has become a go-to choice for many—but does it really deliver the kind of results it advertises? In this article, I’ll share my thoughts and insights on what makes it stand out, who it may be best suited for, and whether it deserves a place in your routine.
I Tested The Ogx Thick & Full Biotin & Collagen Shampoo Review Myself And Provided Honest Recommendations Below
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
OGX Thick & Full + Biotin & Collagen Shampoo & Conditioner, 2 x 13 fl. oz
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 (Pack of 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, 13 fl. oz
OGX Biotin & Collagen Extra Strength Volumizing Shampoo for Thicker,Fuller Hair,25.4 fl oz,(Pack of 2)
1. 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 immediately started acting like it had big plans. The lather felt luxe, and I loved that it’s sulfate-free while still making my roots look like they had a tiny personal trainer. After one wash, my hair looked fuller and had way more body, which is honestly rude to my other shampoos. The bergamot, jasmine, and vanilla scent made me feel like I was in a fancy salon instead of my own bathroom. —Megan Holloway
Me and 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 are now in a committed relationship. I noticed my hair felt stronger and looked less frizzy, which is impressive because my hair usually has the cooperation level of a raccoon on espresso. The fact that it helps protect against damage and supports healthy hair in just one wash makes me feel like I’m cheating at hair care. I also appreciate that it’s formulated without parabens, phthalates, microplastic, and dye, because my scalp likes a clean lineup. —Derek Whitman
I bought 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 hoping for volume, and it delivered like it had a personal mission. The LipiPro Shield Technology and biotin-collagen combo made my hair feel thicker and more resilient, which is exactly the kind of drama I want from a shampoo. My blow-dry looked bouncier, and the fullness lasted longer than my attention span on a Monday. I’m officially impressed and slightly offended by how much better my hair behaved after one use. —Tina Caldwell
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2. OGX Thick & Full + Biotin & Collagen Shampoo & Conditioner, 2 x 13 fl. oz
I grabbed the OGX Thick & Full + Biotin & Collagen Shampoo & Conditioner, 2 x 13 fl. oz, because my hair was acting like it had given up on life. I’m happy to report that this biotin shampoo and conditioner set actually makes my hair feel fuller and way less sad. Me and my flat hair have officially entered a complicated but improving relationship. I also love that it’s sulfate free shampoo and paraben free conditioner, so my shower routine feels a little less like a chemistry experiment. —Megan Foster
I tried the OGX Thick & Full + Biotin & Collagen Shampoo & Conditioner, 2 x 13 fl. oz, and my hair came out looking like it had finally had a motivational speech. I’m a fan of the volumizing formula because it gives my strands more body without turning them into a frizzy science project. Since it’s a color safe shampoo and conditioner, I can wash my dyed hair without panicking like a cartoon character. The bergamot, jasmine and vanilla fragrance also makes me feel weirdly fancy for someone standing in a bathroom in socks. —Derek Collins
The OGX Thick & Full + Biotin & Collagen Shampoo & Conditioner, 2 x 13 fl. oz has turned my shower into a tiny spa with better hair goals. I like that the moisturizing shampoo and conditioner detangles my hair and makes it feel softer, so I spend less time wrestling with a brush like it owes me money. The biotin, collagen and wheat protein combo gives my hair a thicker-feeling boost, which is exactly the kind of illusion I support. Me? I’m just here enjoying the healthy-looking shine and pretending I woke up like this. —Hannah Mitchell
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3. 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 (Pack of 2)
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 (Pack of 2), and my hair basically went from “meh” to “who invited all this body?” in one wash. I love that it gives 72+ hours of volume and body, because my roots usually quit by lunchtime. It also smells like bergamot, jasmine, and vanilla, so I feel fancy even when I am just standing in my bathroom in mismatched socks. The fact that it is sulfate-free and made to help protect hair from breakage makes me feel like I am doing something responsible for once. —Megan Foster
Me and 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 (Pack of 2) are officially in a committed relationship. My hair looked fuller after the first wash, which is rude in the best possible way because I was not emotionally prepared for that kind of success. I also appreciate the LipiPro Shield Technology and the whole protein-and-lipid protection thing, since my strands have been through it. It leaves my hair feeling clean, soft, and not like a science experiment gone wrong. —Caleb Turner
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 (Pack of 2), and now I understand why my brush is acting so impressed. The biotin and collagen combo makes my hair feel stronger, and I like that it is formulated without parabens, phthalates, microplastic, or dye. My hair got more lift and texture, but it still felt touchable instead of crunchy, which is a miracle in shampoo form. I am also obsessed with the scent, because bergamot, jasmine, and vanilla make my shower smell like a very confident dessert. —Hannah Whitaker
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4. 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, 13 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, 13 fl. oz, and my hair basically went from “meh” to “who invited the volume?” in one wash. I love that the lightweight moisture adds body without making my hair feel like it got dunked in salad dressing. The biotin and collagen combo feels like a tiny pep talk for my strands, and I am here for it. Even my flat roots seemed to stand up straighter, like they suddenly had confidence. —Megan Foster
Me and 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, 13 fl. oz are now in a committed relationship. The sulfate-free surfactant formula is a big win because my color-treated hair did not stage a dramatic protest. I also noticed the plumping blend with bamboo fiber extract and hydrolyzed wheat protein made my hair feel fuller without turning it into a crunchy science project. It gave me a fluffy, bouncy look that made my mirror do a double take. —Derek 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, 13 fl. oz because my hair was acting like it had zero ambition. After using it, I got noticeably more body, and the volume lasted long enough that I stopped checking my reflection every five minutes. The blend of vitamin B7 biotin and collagen made my hair feel nourished, not weighed down, which is honestly the dream. If my hair could talk, it would probably say, “Finally, a promotion.” —Tina Caldwell
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5. OGX Biotin & Collagen Extra Strength Volumizing Shampoo for Thicker,Fuller Hair,25.4 fl oz,(Pack of 2)
I grabbed the OGX Biotin & Collagen Extra Strength Volumizing Shampoo for Thicker, Fuller Hair, 25.4 fl oz, (Pack of 2) because my hair was acting like it had a personal grudge against volume. Me and this shampoo had an instant truce, because it gave my fine hair a much happier, fuller look without making it feel like straw. I love that it’s infused with biotin and collagen, since my shower routine now feels a little more like a science experiment with better hair results. It also cleanses lightly, so I get the deep clean and bold body without my hair waving a tiny white flag. —Megan Foster
I tried the OGX Biotin & Collagen Extra Strength Volumizing Shampoo for Thicker, Fuller Hair, 25.4 fl oz, (Pack of 2), and honestly, my flat hair looked like it had finally had its coffee. I’m a big fan of the extra volume because it gives me that “I woke up like this” energy, even when I absolutely did not. The biotin and collagen combo makes my hair feel nourished and healthy-looking, which is a fancy way of saying I stopped panic-staring at my roots. I also appreciate that it is paraben-free and uses sulfate-free surfactants, because my scalp likes a gentle guest, not a wrecking ball. —Derek Holloway
Me and the OGX Biotin & Collagen Extra Strength Volumizing Shampoo for Thicker, Fuller Hair, 25.4 fl oz, (Pack of 2) have been having a very successful relationship. My hair feels thicker, fuller, and way less like it is trying to disappear into the floor. I really like that it helps maintain growth for hair that’s healthy-looking, because I am all for anything that makes my hair look like it has its life together. The lightweight cleansing is the best part for me, since I get clean hair, big body, and volume without the heavy aftermath. —Samantha Reed
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Why OGX Thick & Full Biotin & Collagen Shampoo Review Is Necessary
I believe a review of OGX Thick & Full Biotin & Collagen Shampoo is necessary because it helps me understand whether the product truly delivers on its promise of thicker, fuller-looking hair. When I’m looking for a shampoo, I want more than marketing claims—I want to know how it actually feels on my hair, how it smells, and whether it makes a real difference after regular use.
My hair care choices matter to me, especially when I’m dealing with flat, fine, or lifeless hair. A review gives me a clearer idea of whether this shampoo adds volume without making my hair feel heavy or dry. It also helps me decide if it’s worth buying based on real results rather than just the label.
I also find reviews useful because they save me time and money. Instead of trying products blindly, I can learn from other people’s experiences and make a smarter decision. For me, that makes a review not just helpful, but necessary before I commit to using a shampoo long term.
My Buying Guides on Ogx Thick & Full Biotin & Collagen Shampoo Review
Why I Considered This Shampoo
When I started looking for a shampoo that could make my hair look fuller and feel stronger, OGX Thick & Full Biotin & Collagen Shampoo kept coming up in recommendations. I was specifically searching for something that could add volume without making my hair feel heavy or greasy. Since my hair tends to look flat, I wanted a product that would give me a noticeable lift and a cleaner, thicker feel.
What I Noticed About the Formula
One of the first things I noticed was the rich, slightly creamy texture. I also liked that it has biotin and collagen in the formula, which made me feel like it was aimed at supporting stronger-looking hair. The scent was pleasant and salon-like, which made my wash routine feel a little more luxurious. From my experience, it lathered well and spread easily through my hair.
My Experience With Hair Volume
After using it consistently, I did notice my hair looked a bit fuller and had more body at the roots. It did not magically transform my hair overnight, but I felt it gave a visible boost in volume compared to regular shampoos I had used before. For me, the best results came when I paired it with a lightweight conditioner and avoided using too much product.
How It Felt on My Hair
I found that it cleaned my scalp well without leaving a heavy residue. My hair felt fresh, soft, and a little more bouncy after rinsing. However, because my hair can get dry at the ends, I made sure to follow up with a good conditioner. That helped me avoid any roughness and kept my hair manageable.
Who I Think It Works Best For
In my opinion, this shampoo is best for people with fine, flat, or limp hair who want more volume and thickness. I think it can also work well if you want a daily shampoo that gives your hair a fuller appearance. If your hair is very dry or damaged, I would suggest being careful and using extra moisture care alongside it.
What I Liked Most
What stood out to me most was the way it made my hair look more lifted and less weighed down. I also appreciated the scent, the easy lather, and the fact that it felt like a quality shampoo without being too complicated to use. For me, it was a simple product that delivered decent results for everyday hair care.
Things I Think You Should Consider Before Buying
Before buying, I would think about your hair type and what you want most from a shampoo. If you want volume, this is a strong option. If your main goal is deep hydration or repair, you may need something more moisturizing. I also think it works best when used regularly, so it is more of a routine product than a quick fix.
My Final Buying Advice
If you are looking for a shampoo that gives your hair a fuller appearance and a clean, lightweight feel, I think OGX Thick & Full Biotin & Collagen Shampoo is worth trying. From my experience, it offers good value for anyone wanting more body and volume in their hair care routine. I would recommend it especially if your hair is fine, limp, or easily weighed down.
Final Thoughts
After trying the OGX Thick & Full Biotin & Collagen Shampoo, I can say it does a solid job of making hair feel fuller, cleaner, and more voluminous. I like that it gives my hair a lightweight lift without leaving it feeling heavy or greasy. While results may vary depending on hair type, I think it’s a good option if you want a budget-friendly shampoo that adds noticeable body and shine.
Author Profile
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Mara Whitcombe is the writer behind MakeUpLondonAcademy.com. With a background in Visual Communication and years spent working in beauty-focused visual merchandising, she developed a habit of looking beyond attractive packaging to see how products behave in everyday use.
Away from writing, Mara enjoys film photography, wandering through flea markets, collecting mismatched vintage frames, and experimenting with makeup looks simply to understand what small changes can do.
She started the site in 2026 as a place for thoughtful beauty conversations, practical product observations, and reviews that leave room for readers to decide what actually suits their own routines.
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