July 1, 2025

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10 Best biotin thickening shampoos of 2025

Save up to 32% off

Best Choice

1

R+Co
R+Co Dallas Thickening Shampoo | Biotin for Hair Growth, Thickening, + Strengthening | Vegan + Cruelty-Free |

15% Off
Main highlights

Thickening and Nourishing Formula
R+Co Dallas Biotin Thickening Shampoo thickens, nourishes, and strengthens fine hair with a vegan, cruelty-free formula.

Ideal for Fine and Thinning Hair
Perfect for those seeking volume and strength for fine, thinning hair.

Volume Enhancement Praised
Customers appreciate the noticeable volume increase, making hair look fuller.
9.6

Exceptional

Our Rating

8.9
Sound level

8.4
Aroma

8.2
Gentle
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Based on millions of stores and reviews

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Value for Money

2

Paisle Botanics
Biotin Shampoo and Conditioner for Hair Growth, Thinning Hair Treatment - NATURAL, Sulfate Free, for Men and Women (THICKENING SHAMPOO AND CONDITIONER)
Main highlights

Key Features
Promotes hair growth with biotin, Rosemary, aloe vera; sulfate, paraben, formaldehyde-free; safe for all hair types including color-treated.

Ideal Use Cases
Perfect for those experiencing thinning, looking for volumizing; suitable for curly, dry, highlighted, bleached, oily, or frizzy hair types.

Customer Reviews Highlight
Most praised for its effectiveness in thickening hair and promoting regrowth, with noticeable results, especially in thinning areas.
9.3

Excellent

Our Rating

9.5
Gentle

9.5
Moisturizing

9.3
Aroma
3

Paisle Botanics
Biotin Shampoo for Hair Growth - Thickening Shampoo for Hair Loss All Natural for Thinning Hair - Rosemary Aloe Vera Coconut - for Women Men - Sulfate Free Paraben Free - Safe for Color Treated Hair
Main highlights

Key Features
Natural biotin shampoo with DHT blockers, sulfate and paraben free, promotes hair growth and thickness.

Ideal Use Cases
Perfect for those experiencing thinning hair, suitable for all hair types and safe for colored or treated hair.

Customer Praise
Most reviews highlight its effectiveness in reducing hair loss and appreciating the healthier, fuller hair appearance.
9.2

Excellent

Our Rating

9.5
Hair quality

9.3
Aroma

9.3
Moisturizing
4

Avalon Organics
Avalon Organics Therapy Biotin B-Complex Thickening Shampoo, 32 oz
Main highlights

Organic and Nourishing Formula
Certified organic, plant-based ingredients nourish and cleanse hair.

Ideal for Thinning Hair
Perfect for individuals seeking to reduce hair thinning.

Effective Volume Building
Praised for noticeably increasing hair thickness and volume.
8.9

Very Good

Our Rating

8.0
Aroma

8.0
Gentle

8.0
Sound level
5

OGX
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

24% Off
Main highlights

Volumizing Shampoo Benefits
Infused with biotin and collagen for fuller, healthier hair.

Ideal for Thin Hair
Perfect for flat to medium volume hair needing a boost.

Praised for Volume and Scent
Customers love the added volume and delightful fragrance.
8.7

Very Good

Our Rating

8.9
Gentle

8.7
Aroma

8.7
Moisturizing
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6

HASK

Hask Biotin Boost Thickening Shampoo 15 fl oz, pack of 1
8.6

Very Good

Our Rating
7

HASK
HASK BIOTIN BOOST Shampoo and Conditioner Set Thickening for all hair types, color safe, gluten-free, sulfate-free, paraben-free - 1 Shampoo and 1 Conditioner
Main highlights

Key Features
Biotin-enriched formula volumizes, strengthens, and fortifies fine hair. Sulfate, paraben, phthalate, gluten-free with an invigorating herbaceous scent.

Ideal Use
Perfect for individuals with fine, flat hair seeking to add volume, strength, and thickness for a fuller, more vibrant appearance.

Customer Praise
Most reviews highlight the noticeable improvement in hair thickness and the refreshing, natural scent as standout benefits.
8.5

Good

Our Rating

8.9
Drying ability

8.9
worth the money

8.7
Aroma
8

Maple Holistics
Rosemary and Biotin Shampoo for Thinning Hair - Vegan Volumizing Shampoo for Fine Hair with B Vitamins Argan Oil & Tea Tree Essential Oil - Paraben Silicone and Sulfate Free Vegan Formula (8 Fl Oz)
Main highlights

Natural Ingredients and Scalp Care
Sulfate-free shampoo with biotin, rosemary, and essential oils for hair and scalp health.

Ideal for Thinning and Fine Hair
Perfect for those seeking volume and nourishment for thin, weak hair.

Praised for Volume and Texture
Customers love the noticeable increase in hair volume and smooth texture.
8.4

Good

Our Rating

9.3
quality of ingredients

9.3
Hair quality

8.9
Aroma
9

OGX
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

26% Off
Main highlights

Nutrient-Rich Formula
Infused with ProVitamin B7, biotin, and collagen for thicker, fuller hair.

Ideal for Thin and Damaged Hair
Best for those with thin, damaged hair needing volume and strength.

Customer-Praised Hair Strengthening
Biotin and collagen strengthen hair shafts, enhancing overall health.
8.2

Good

Our Rating

9.1
worth the money

9.1
Aroma

8.9
Moisturizing
10

OGX
OGX Thick & Full + Biotin & Collagen Shampoo & Conditioner Set, (packaging may vary), Purple, 13 Fl Oz (Pack of 2)

32% Off
Main highlights

Thickening Boost and Volumizing Benefits
OGX Thick & Full + Biotin & Collagen Shampoo and Conditioner volumizes hair, making it appear fuller and more abundant.

Ideal for Flat to Medium Volume Hair
Perfect for those seeking thicker, healthier-looking hair with a volumizing effect.

Softness and Manageability Praised by Users
Customers love the softness and ease of detangling after use, enhancing manageability.
8.1

Good

Our Rating

8.7
Aroma

8.4
Gentle

8.4
Sheerness

10 Best biotin thickening shampoos of 2025

1

R+Co Dallas Thickening Shampoo | Biotin for Hair Growth, Thickening, + Strengthening | Vegan + Cruelty-Free |

8.9

8.4

8.2

How do we rank?

How do we rank?

Analyzing top stores

2

Biotin Shampoo and Conditioner for Hair Growth, Thinning Hair Treatment - NATURAL, Sulfate Free, for Men and Women (THICKENING SHAMPOO AND CONDITIONER)

9.5

9.5

9.3

3

Biotin Shampoo for Hair Growth - Thickening Shampoo for Hair Loss All Natural for Thinning Hair - Rosemary Aloe Vera Coconut - for Women Men - Sulfate Free Paraben Free - Safe for Color Treated Hair

9.5

9.3

9.3

4

Avalon Organics Therapy Biotin B-Complex Thickening Shampoo, 32 oz

8.0

8.0

8.0

5

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

8.9

8.7

8.7

6

Hask Biotin Boost Thickening Shampoo 15 fl oz, pack of 1

7

HASK BIOTIN BOOST Shampoo and Conditioner Set Thickening for all hair types, color safe, gluten-free, sulfate-free, paraben-free - 1 Shampoo and 1 Conditioner

8.9

8.9

8.7

8

Rosemary and Biotin Shampoo for Thinning Hair - Vegan Volumizing Shampoo for Fine Hair with B Vitamins Argan Oil & Tea Tree Essential Oil - Paraben Silicone and Sulfate Free Vegan Formula (8 Fl Oz)

9.3

9.3

8.9

9

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

9.1

9.1

8.9

10

OGX Thick & Full + Biotin & Collagen Shampoo & Conditioner Set, (packaging may vary), Purple, 13 Fl Oz (Pack of 2)

8.7

8.4

8.4

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