Thinning hair getting you down? You’re not the only one searching for a fix that actually works. The good news? The right shampoo can give your hair that thicker, fuller look you’ve been craving.
We’ve rounded up nine of the best shampoos for thicker hair in 2025—no gimmicks, just real options to help you feel more confident. Ready to find your match? Let’s get started.
Table of content
Best shampoos to thicken hair: Our top picks
- Scandinavian Biolabs Hair Strength Shampoo
- Kérastase Densifique Densité Shampoo & Conditioner Set
- Biolage Full Density Thickening Shampoo
- OGX Thick & Full + Biotin & Collagen Volumizing Shampoo
- PURA D'OR Original Gold Label Anti-Thinning Biotin Shampoo
- Nioxin System 1 Cleanser Shampoo
- Kérastase Resistance Bain Extentioniste Shampoo
- Bumble and Bumble Thickening Volume Shampoo
- Redken Volume Injection Shampoo
1. Scandinavian Biolabs Hair Strength Shampoo
This shampoo is crafted with a unique blend of ingredients to promote stronger, healthier hair while reducing excessive oiliness. Its gentle, high-quality formula supports a balanced scalp, leaving hair feeling fresh and vibrant with a subtle eucalyptus scent.
The inclusion of Capilia Longa® stands out, as it has shown impressive results in reducing hair loss by up to 89% and improving hair density by up to 52%.
Niacinamide also plays a key role in boosting keratin production, strengthening the hair shaft, and promoting resilience.
For those seeking a soothing scalp experience, Vanillyl Butyl Ether's mild warming effect can improve blood flow, encouraging nutrient and oxygen delivery to hair follicles. This combination of natural and scientifically backed ingredients creates an effective solution for thinning hair.
The formula's ingredients are 100% vegan and dermatologically tested, ensuring safety and quality.
This shampoo delivers results without harsh chemicals, tackling greasiness or fortifying weak strands. Its 150-day money-back guarantee ensures its performance.
2. Kérastase Densifique Densité Shampoo
If you want to add some oomph to fine or thinning hair, the Kérastase Densifique Densité Shampoo might be worth considering. This duo is formulated with hyaluronic acid, known for its hydrating properties. Hyaluronic acid can help plump up each hair strand, giving the appearance of thicker hair.
Users have noted that this set cleanses effectively and adds a noticeable shine, making hair look healthier overall. The shampoo removes buildup, which can weigh hair down, while the conditioner provides lightweight moisture, avoiding that greasy feel.
One of the appealing aspects of this set is its suitability for acceptable, thin, and thinning hair types. It's designed to strengthen and hydrate without causing heaviness, a common concern for those with delicate hair.
While it's pricier, many users feel the results justify the investment. If you want to boost your hair's density and shine, this set could be a helpful addition to your hair care routine.
3. Biolage Full Density Thickening Shampoo
Biolage's Full Density Thickening Shampoo is formulated with biotin, a B vitamin known for supporting hair health. This shampoo cleanses the scalp and hair, removing impurities that can hinder hair growth while promoting the appearance of fuller, thicker hair.
Users with thin and delicate hair types have reported that this shampoo leaves their hair feeling clean and light without stripping away essential moisture. The paraben and silicone-free formula is vegan, appealing to those seeking more natural hair care options.
Regularly using this shampoo may build hair resiliency from root to tip, potentially reducing breakage and improving overall hair health. It's a practical choice for those looking to enhance hair thickness without using heavy products that can weigh hair down.
Incyou'reting this shampoo into your routine could be beneficial if you aim for a fuller hair appearance. It's a It'sightforward product that focuses on delivering results without unnecessary additives.
4. OGX Thick & Full + Biotin & Collagen Volumizing Shampoo
OGX's TOGX's& Full + Biotin & Collagen Volumizing Shampoo combines biotin, collagen, and hydrolyzed wheat protein to help thicken and texturize hair types. This blend aims to provide a fuller, healthier look to your hair.
Users have noted that this shampoo creates a noticeable volume boost, making hair appear thicker and more robust. The sulfate-free surfactants make it a gentle option for daily use and are suitable for color-treated hair.
The pleasant scent is a bonus, leaving hair smelling fresh throughout the day. It's affordable for those seeking to enhance their hair without breaking the bank.
If you're looking for a budget-friendly shampoo that delivers on its promise of fuller-looking hair, this product might be a good fit for your hair care routine.
5. PURA D'OR Original Gold Label Anti-Thinning Biotin Shampoo
PURA D'OR's D'OR'sal Gold Label Anti-Thinning Biotin Shampoo is formulated with natural ingredients to reduce hair thinning and promote thickness. It includes biotin, nettle extract, pumpkin seed, and black cumin seed oil.
Users have reported decreased hair shedding after consistent use and improved hair strength and thickness. The shampoo is free from harsh chemicals, making it gentle for daily use and suitable for various hair types.
Adding essential vitamins and oils nourishes the scalp, creating a healthier environment for hair growth. It's alIt'solor-safe, a plus for those with treated hair.
If you have thinning hair and are looking for a shampoo with natural ingredients to support hair health, this product could be a worthwhile addition to your hair care regimen.
6. Nioxin System 1 Cleanser Shampoo
Nioxin's 1 Cleanser Shampoo is a three-step system designed to amplify hair texture and protect against breakage. It's formulated to remove follicle-clogging sebum, fatty acids, and environmental residues from the scalp and hair.
Users with fine, non-chemically treated hair have noted increased hair volume and a refreshed scalp feeling after using this shampoo. It's designed to strengthen the hair shaft and prepare it for the conditioning treatment that follows in the Nioxin system.
The shampoo provides a deep cleanse without stripping essential oils, making it suitable for daily use. Consistent use as part of the complete Nioxin system may eventually lead to thicker, fuller-looking hair.
Incorporating this cleanser shampoo into your routine could be beneficial if you take a comprehensive approach to hair thinning. It's a straightforward product that focuses on scalp health to promote hair density.
7. Kérastase Resistance Bain Extentioniste Shampoo
Kérastase Resistance Bain Extentioniste Shampoo is specially formulated to strengthen and lengthen hair over time. It’s in it with ceramides and creatine R, which reinforce weak strands and restore elasticity.
Many users praise its ability to reduce breakage and split ends, which is especially helpful for those trying to grow their hair longer. The shampoo cleanses effectively while providing a gentle care experience, leaving hair feeling soft and manageable.
This formula is ideal for anyone with fragile or damaged hair who needs a little extra TLC. Regular use can help improve hair’s sense and thickness, making it a solid choice for individuals concerned about thinning.
While it comes at a premium price point, the quality of ingredients and visible results make it worth considering. This product delivers immediate and long-term benefits for those aiming for fuller, stronger hair.
8. Bumble and Bumble Thickening Volume Shampoo
The Bumble and Bumble Thickening Volume Shampoo is designed to add body and lift to fine, limp hair. It uses lightweight polymers to create texture, helping hair appear fuller without adding weight.
This shampoo works well for those who want to achieve a volumized look without compromising softness or shine. Users often note that it preps hair perfectly for styling, giving it extra grip and hold.
It's color-treated hair and free of parabens, sulfates, and phthalates, making it a gentle yet practical choice for everyday use. The formula also includes panthenol, which helps strengthen and moisturize hair strands.
This shampoo might be a game-changer if volumizing products weigh your hair down. It’s created to deliver a natural-looking lift, leaving hair light, bouncy, and healthy.
9. Redken Volume Injection Shampoo
Redken's Injection Shampoo is tailored for fine or flat hair. It delivers instant volume and root lift, and its blend of siloxane and softening agents ensures fullness and smoothness.
This shampoo is particularly popular among users looking for a boost in thickness without sacrificing hydration. It cleanses thoroughly, removing buildup that can weigh hair down, and leaves strands feeling light and airy.
It’s also safe for color-treated hair and is suitable for daily use, making it a versatile option for anyone seeking thicker, more voluminous locks. The formula targets the hair shaft, enhancing its texture and fullness from the inside out.
If hair often falls flat after washing, this product could make a noticeable difference. It's a reliable pick for creating a volume that lasts throughout the day.
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You can count on Scandinavian Biolabs to consistently deliver the trustworthy health information you deserve. Read our Editorial Standards.
How to choose the best shampoos to thicken hair
Choosing the best shampoos to thicken hair doesn’t have to feel overwhelming. Here are some key factors to consider when picking a shampoo that works for you:
- Check the ingredients: Look for biotin, keratin, niacinamide, or collagen. These ingredients are known to strengthen and thicken hair.
- Avoid harsh chemicals: Sulfates and parabens can strip your hair of natural oils, leading to dryness and breakage.
- Scalp health matters: Ingredients like tea tree oil or eucalyptus can promote a healthy scalp for hair growth.
- Hair type compatibility: To get the best results, choose a shampoo that suits your hair type—fine, oily, dry, or color-treated.
- Volume vs. strength: Decide whether you want a shampoo that adds instant volume or focuses on long-term strengthening and thickening.
- Reviews and recommendations: Real user feedback can provide insights into a product's effectiveness for your specific concerns.
- Budget: A pricier option isn’t always better. Find a shampoo that fits your budget and addresses your hair goals.
Conclusion
Finding the right shampoo to thicken hair can feel like a journey, but healthier and fuller-looking hair is achievable with the right choices.
From nourishing ingredients like biotin and keratin to scalp-focused formulas, the shampoos highlighted here cater to various needs and hair types.
Whether you’re battling thinning, seeking volume, or looking for long-term strengthening, there’s a solution tailored to your goals.
For an efficient approach to thicker and stronger hair, consider the Scandinavian Biolabs Hair Strength Shampoo.
With scientifically backed ingredients and a commitment to quality, it’s designed to support healthier hair growth while reducing hair loss.
FAQs
Can shampoos thicken hair?
While shampoos can’t change your hair’s natural density, they can improve the appearance of thickness by strengthening strands, reducing breakage, and adding volume. Look for products with ingredients like biotin, keratin, and collagen for the best results.
How long does it take to see results from thickening shampoos?
Most shampoos need consistent use for at least 4–6 weeks before noticeable improvements appear. Immediate effects, like volume and smoothness, might be visible after the first wash, but long-term results require patience.
Are thickening shampoos safe for color-treated hair?
Many thickening shampoos are formulated to be color-safe, but it’s always good to check the label. Avoid sulfate products, which can strip color and weaken hair over time.
Can I use thickening shampoos daily?
Yes, most are gentle enough for daily use, especially those free from harsh chemicals. However, consider using a moisturizing shampoo if your hair feels dry or over-cleansed.
What ingredients should I avoid in thickening shampoos?
Avoid sulfates, parabens, and alcohol-based ingredients, as they can strip natural oils and lead to dryness. Instead, focus on shampoos with natural and nourishing ingredients to support hair health.
