best shampoo to thicken hair
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Not all thickening shampoos work the same, so it’s important to pick one suited to your hair type. For oily scalps, a lightweight clarifying option may be best, while dry or damaged hair benefits from hydrating formulas. Consistency matters too—most take a few weeks to show results. Below, I’ll break down the top picks based on real user feedback and ingredient effectiveness.
- Top 10 best shampoo to thicken hair in 2026
- 1. LOréal Paris Thickening Sulfate-Free Shampoo
- 2. Hims Thickening Shampoo Saw Palmetto
- 3. Nioxin Thickening Shampoo Biotin
- 4. Garnier Fructis Thickening Shampoo
- 5. Root Activator Thickening Shampoo
- 6. OGX Volumizing Thickening Shampoo
- 7. Pura DOr Thickening Shampoo & Conditioner
- 8. Cremo Thickening Barber Shampoo
- 9. Dr. Groot Thickening Biotin Shampoo
- 10. LOréal Paris Thickening Shampoo & Conditioner
Top 10 best shampoo to thicken hair in 2026
1. LOréal Paris Thickening Sulfate-Free Shampoo
L’Oréal Paris sulfate-free shampoo is one of the best shampoos to thicken hair, especially if it’s thin or fragile. Rosemary leaf helps strengthen strands while adding volume without harsh chemicals.
It gently cleanses while improving thickness over time, making fine hair look fuller and healthier.
2. Hims Thickening Shampoo Saw Palmetto
Formulated with saw palmetto to support healthy hair growth and thickness, this shampoo cleanses the scalp without harsh sulfates. It’s vegan, cruelty-free, and leaves hair feeling fuller with a fresh eucalyptus scent.
3. Nioxin Thickening Shampoo Biotin
NIOXIN’s thickening shampoo strengthens fine, thinning hair with niacinamide and biotin. It cleanses the scalp while adding volume, making it the best shampoo to thicken hair for those noticing more scalp visibility.
Daily use helps maintain density and supports healthier growth without weighing strands down.
4. Garnier Fructis Thickening Shampoo
Garnier Fructis Grow Strong is one of the best shampoos to thicken hair, especially if yours is fine or thinning. It strengthens strands with biotin and vitamin C for fuller, healthier-looking volume.
The formula cleanses without weighing hair down, adding body while reducing breakage. A solid choice for anyone wanting thicker, more resilient hair.
5. Root Activator Thickening Shampoo
Root Activator Shampoo strengthens thinning hair and promotes growth with consistent use. It’s formulated to thicken strands and reduce breakage, making it the best shampoo to thicken hair for men dealing with hair loss.
Regular application improves scalp health and adds volume without harsh chemicals. Results show fuller, healthier hair over time.
6. OGX Volumizing Thickening Shampoo
Looking for the best shampoo to thicken hair? This formula boosts volume with biotin and collagen while strengthening strands with hydrolyzed wheat protein. Sulfate-free surfactants clean gently without stripping, leaving fine hair noticeably fuller and healthier.
OGX Volumizing Thickening Shampoo
7. Pura DOr Thickening Shampoo & Conditioner
PURA D’OR Biotin Shampoo and Conditioner strengthens hair and reduces thinning with a clinically tested herbal blend. It’s one of the best shampoos to thicken hair for both women and men, delivering noticeable fullness and a natural earthy scent.
8. Cremo Thickening Barber Shampoo
Cremo Juniper & Eucalyptus shampoo is one of the best options to thicken hair. It strengthens strands while adding volume for fuller-looking results.
The formula cleanses without stripping moisture, leaving hair manageable and healthy.
9. Dr. Groot Thickening Biotin Shampoo
Looking for the best shampoo to thicken hair? This formula combines biotin and rosemary oil to strengthen thinning strands while adding volume. It also deeply hydrates the scalp and hair, reducing damage and improving overall texture.
A gentle yet effective solution for those dealing with fine or weakened hair. The Korean hair care approach ensures a balanced, revitalized scalp without harsh chemicals.
10. LOréal Paris Thickening Shampoo & Conditioner
L’Oréal Paris sulfate-free shampoo and conditioner is the best shampoo to thicken hair by adding volume while strengthening fragile strands. It gently cleanses without stripping moisture, leaving thin hair fuller and more resilient.
EverPure formulas protect color-treated hair while improving thickness over time.
