10 Best biotin thickening shampoos of 2025

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1

R+Co
R+Co Dallas Thickening Shampoo | Biotin for Hair Growth, Thickening, + Strengthening | Vegan + Cruelty-Free |
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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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.
Key specs
- Formula:Sulfate free, Paraben free
- Usage:Daily hair thickener
- Moisture:Sulfate free, Paraben free
- Ingredients:Rosemary, Aloe Vera, Saw palmetto, Coconut, Biotin
- Hair Type:All hair types
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

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.
Key specs
- Volume:Thickening, fuller hair
- Sulfate Free:Yes
- Conditioning:Conditioner included
- Nourishing:Strengthen, fortify
- Cleansing:Shampoo included
9.1

Excellent

Our Rating

8.9
Drying ability

8.9
worth the money

8.7
Aroma
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

35% 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.
Key specs
- Formula:Vitamin B7, biotin, collagen
- Function:Volumizing, thickening
- Ingredients:Biotin, collagen, wheat proteins
- Sulfate Free:Yes
- Hair Type:Flat to medium volume
8.9

Very Good

Our Rating

8.9
Gentle

8.7
Aroma

8.7
Moisturizing
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6

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.
8.6

Very Good

Our Rating

8.0
Aroma

8.0
Gentle

8.0
Sound level
7

HASK

Hask Biotin Boost Thickening Shampoo 15 fl oz, pack of 1
8.5

Good

Our Rating
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

RootStim

Biotin & Rosemary Shampoo for Hair Growth: Hair Loss Shampoo for Thinning Hair Infused with Natural Nutrient Rich Ingredients for Hair thickening Sulfate Free 10 fl oz

16% Off
8.3

Good

Our Rating
10

RENPURE
Renpure Plant Based Biotin and Collagen Thickening Volume Shampoo - Leaves Hair Looking Luscious - Rids Hair of Grime - Gentle Formula - Paraben Free - Recyclable, Pump Bottle Design - 24 fl oz
Main highlights

Key Features
Volumizing shampoo with foaming agent for deep cleansing and scalp stimulation. Biotin-enriched for less dryness, increased volume, and enhanced moisture.

Ideal Use Cases
Perfect for anyone seeking a healthier scalp, thicker hair, or to complement their wash day routine with a conditioner for added hydration.

Customer Reviews
Highly praised for its ability to significantly reduce dryness and itching while leaving hair feeling voluminous and moisturized.
8.0

Good

Our Rating

8.0
Moisturizing

8.0
Aroma

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

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

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

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

8.0

8.0

8.0

7

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

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

Biotin & Rosemary Shampoo for Hair Growth: Hair Loss Shampoo for Thinning Hair Infused with Natural Nutrient Rich Ingredients for Hair thickening Sulfate Free 10 fl oz

10

Renpure Plant Based Biotin and Collagen Thickening Volume Shampoo - Leaves Hair Looking Luscious - Rids Hair of Grime - Gentle Formula - Paraben Free - Recyclable, Pump Bottle Design - 24 fl oz

8.0

8.0

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