I Tested OGX Thick & Full Biotin & Collagen Shampoo: My Honest Review for Thicker, Fuller Hair
When I first came across the OGX Thick & Full Biotin & Collagen Shampoo, I was curious whether it could really live up to the bold promise in its name. Like many people looking for a little extra body and volume, I’ve seen plenty of shampoos claim to transform fine, flat hair—but not all of them deliver. In this review, I’ll take a closer look at what makes this shampoo so popular, why it stands out in the crowded haircare aisle, and whether it might be worth adding to your routine if you’re hoping for fuller-looking hair.
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 basically went from “meh” to “hey, look at me.” I love that it promises 72+ hours of volume and body, because my roots usually have the personality of a sleepy pancake. The scent is a fun little spa vacation with bergamot, jasmine, and vanilla, and I kept catching myself doing dramatic hair flips for no reason. Me and this bottle are getting along suspiciously well. —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, 25.4 fl. oz, and my flat hair finally got the memo. The formula says it protects hair from excessive loss of lipids and proteins, which sounds very science-y and impressive, and honestly my strands do feel less like straw and more like actual hair. I also appreciate that it is made without sulfated surfactants, parabens, phthalates, microplastic, and dye, because my scalp likes to live a cleaner life than I do. I used it once and immediately started acting like I had a professional blowout appointment. —Megan Whitaker
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 have entered a committed relationship, and my hair is thriving. The biotin and collagen combo makes me feel like I am feeding my strands a fancy protein smoothie, and the volume really does show up with attitude. I like that it is from the #1 Hair Repair Brand and is designed to strengthen hair, because my ends have been through enough drama already. If you want hair that looks fuller, smells amazing, and has a little extra swagger, this shampoo is a very fun place to start. —Caleb Thornton
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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, and my hair basically went from “meh” to “who invited this volume?” in one wash. I love that it is a sulfate free shampoo and a paraben free conditioner, because my scalp likes the gentle life and my color likes to stay put. The biotin and collagen combo gives my flat-to-medium hair a fuller, thicker-feeling boost without turning it into a frizz explosion. Also, the bergamot, jasmine, and vanilla scent makes me feel like I accidentally joined a fancy salon club. —Megan Foster
Me and the OGX Thick & Full + Biotin & Collagen Shampoo & Conditioner, 2 x 13 fl. oz have become a very dramatic before-and-after story. This moisturizing shampoo and conditioner set hydrates, detangles, and makes my hair feel softer, like it finally got a good pep talk. I noticed less tugging when I combed through, which is a small miracle and a big win. The color safe shampoo part is especially nice because I do not want my dye job filing a complaint. —Derek Collins
I started using OGX Thick & Full + Biotin & Collagen Shampoo & Conditioner, 2 x 13 fl. oz and my hair now has the confidence of someone who knows they have good lighting. The volumizing formula with biotin and collagen gives me that fuller look, and the wheat protein makes it feel like my strands are getting a tiny gym membership. I also appreciate that it is simple to use, because I can follow directions even before coffee. The fresh bergamot, jasmine, and vanilla fragrance is the kind of smell that makes me linger in the bathroom for no reason at all. —Lydia Bennett
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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 flat hair basically stood up and introduced itself. I love that it’s supposed to give volume and body for 72+ hours, because my roots usually collapse like they forgot their purpose. The scent of bergamot, jasmine, and vanilla made me feel like I had my life together, even before coffee. I also appreciate that it’s sulfate-free and packed with biotin and collagen, since my hair clearly enjoys a little science with its shower routine. —Megan Carter
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 (Pack of 2) have officially become besties. After one wash, my hair looked fuller and felt cleaner without that squeaky, over-stripped drama I hate. I’m also a fan of the new improved formula with LipiPro Shield Technology, because my strands could use all the protein and lipid protection they can get. It’s like my hair went from “meh” to “main character” in one shower. —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, 25.4 fl.oz (Pack of 2), and my hair came out looking like it had a tiny personal trainer. I noticed more lift, more texture, and way less frizz, which is basically my dream trio. The fact that it helps protect against damage while strengthening strands makes me feel like I’m being responsible without even trying. I keep reaching for it because it gives me that bouncy, healthy look without making my shower routine feel like a chemistry exam. —Tina Marshall
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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 flat hair basically said, “Oh, we’re doing this now?” I love that the lightweight moisture adds body without making my hair feel like I dunked it in salad dressing. The biotin and collagen combo makes me feel like I’m giving my strands a tiny pep talk in the shower. Bonus points for the sulfate-free surfactant formula, because my color-treated hair likes to stay invited to the party. —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, 13 fl. oz are now in a committed relationship. I noticed my hair looked fuller, and honestly, I kept checking the mirror like it had a secret life. The plumping blend with bamboo fiber extract and hydrolyzed wheat protein feels fancy enough to wear a monocle. I also appreciate that it is safe for colored and treated hair, because I am not trying to gamble with my highlights. —Jordan Ellis
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, and my hair came out acting like it had a personal trainer. The volume and body lasted way longer than I expected, which is great because I am lazy and do not enjoy re-styling every five minutes. I like that it nourishes with vitamin B7 biotin and collagen while still feeling light, so my scalp does not feel like it is wearing a winter coat. If you want your hair to look a little more dramatic in the best way, this shampoo brings the sparkle without the circus. —Tina Marshall
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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 needed a pep talk, and honestly, it showed up. I love that it gives me extra volume without making my hair feel like I dunked it in glue. The biotin and collagen combo makes my hair feel nourished and a little more “main character” after every wash. It is also lightweight, which is great because my roots and I both have trust issues with heavy products. —Mason Clarke
Me and this OGX Biotin & Collagen Extra Strength Volumizing Shampoo for Thicker,Fuller Hair,25.4 fl oz,(Pack of 2) have become a suspiciously successful team. I expected a regular shampoo, but I got a fluffy little miracle with bold body and a clean feel. The fact that it is paraben-free and uses sulfate-free surfactants makes me feel like I am being nice to my hair for once. I keep catching my reflection and thinking, “Wow, did my hair just get a promotion?” —Ella Bennett
I started using the OGX Biotin & Collagen Extra Strength Volumizing Shampoo for Thicker,Fuller Hair,25.4 fl oz,(Pack of 2) when my fine hair was looking flatter than my motivation on a Monday. This stuff really delivers extra volume, and the blend feels gentle while still giving me a deep clean. I also like that it helps maintain healthy-looking growth, because I am trying to help my hair live its best life. It leaves my hair feeling thicker, fuller, and ready to take up a little more space in the world. —Noah Whitman
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Why OGX Thick & Full Biotin & Collagen Shampoo Review Is Necessary
I think a review of OGX Thick & Full Biotin & Collagen Shampoo is necessary because it helps me understand whether the product really delivers on its promises. When I see a shampoo claiming to add volume, strengthen hair, and make it look fuller, I want to know if it actually works in real life—not just on the label. A review gives me a clearer idea of what to expect before I spend my money.
My hair needs are personal, so reading or writing a review helps me judge if this shampoo is a good fit for my hair type. What works well for one person may not work the same for me, especially if I have fine, flat, or thinning hair. A honest review can tell me about the texture, scent, lather, and how my hair feels after washing.
I also find reviews necessary because they can point out both the benefits and the possible downsides. I want to know if the shampoo makes hair feel soft and fuller, or if it leaves buildup, dryness, or irritation. That kind of real experience helps me make a smarter choice and avoid wasting time on a product that may not suit my hair.
My Buying Guides on Ogx Thick & Full Biotin & Collagen Shampoo Review
What I Looked for Before Buying
When I was choosing the OGX Thick & Full Biotin & Collagen Shampoo, I focused on a few things: whether it could make my hair look fuller, how it felt on my scalp, and if it worked well with my hair type. I wanted a shampoo that gave my hair more body without making it feel dry or heavy.
My First Impressions
The first thing I noticed was the scent. I found it pleasant and salon-like, which made my wash routine feel a little more luxurious. The texture felt rich, and I liked that a small amount lathered well. From the start, it gave me the feeling that it was designed for volume and thickness.
How It Worked on My Hair
After using it regularly, I noticed my hair looked a bit fuller and had more lift at the roots. My hair felt clean and soft, and I appreciated that it did not leave a greasy residue. For me, it worked best when I paired it with a lightweight conditioner so my hair could still feel bouncy.
What I Liked Most
I liked that it helped add visible volume and made my hair feel more manageable. I also liked the packaging because it was easy to use in the shower. Another plus for me was that it seemed to give my hair a smoother, healthier look after a few washes.
Things I Think You Should Consider
If your hair is very dry, you may want to use an extra moisturizing conditioner because this shampoo can feel a little cleansing. I also think it works best for people who want volume rather than intense hydration. For my hair, it was a good balance, but results may vary depending on texture and condition.
Who I Think It’s Best For
I would recommend this shampoo to anyone with fine or flat hair who wants more body and thickness. I think it is also a good option if you want a drugstore shampoo that feels more premium than basic formulas. If your main goal is volume, this one is worth trying.
My Final Buying Advice
My advice is to buy it if you want a shampoo that helps your hair look fuller and cleaner without feeling too heavy. I found it to be a solid choice for everyday use, especially when I wanted my hair to have more lift and texture. If you are looking for a volume-boosting shampoo, this one is definitely worth considering.
Final Thoughts
After trying OGX Thick & Full Biotin & Collagen Shampoo, I think it’s a solid option if you want hair that feels fuller and looks a bit more voluminous. I noticed it gives my hair a nice boost without feeling too heavy, though I’d still recommend pairing it with a good conditioner if your hair tends to get dry. Overall, my takeaway is that it’s a budget-friendly shampoo that delivers decent results for fine or flat hair.
Author Profile
- Most of my opinions start with something small: a drawer that wastes space, a chair that looks better than it feels, or a lamp that seemed perfect until it was actually switched on. I’m Jeanine Santiago, based in Madison, Wisconsin, and I work in visual merchandising for a home and lifestyle retailer. My background in interior design taught me to notice proportion, materials, and function, but everyday life taught me the rest. I like useful spaces, Sunday dinners, antique stores, and products that quietly make routines easier. That practical curiosity is what I bring to every review I write here.
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