Otter Co. Biotin & Onion Hair Growth Shampoo Bar with Keratin, Rosemary Hair Growth Oil, ACV – Vegan, Sulfate Free & Non Toxic – Hair Loss Shampoo for Thinning Hair for Women & Men, USA Made

Price: $15.99
(as of Sep 29, 2026 02:38:46 UTC – Details)

Product description

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Customer Reviews

4.2 out of 5 stars 20

4.3 out of 5 stars 131

4.3 out of 5 stars 131

4.0 out of 5 stars 36

4.2 out of 5 stars 61

Price

$15.99$15.99

$15.99$15.99

$14.99$14.99

$15.99$15.99

$15.99$15.99

Great for

All Hair Types

All Hair Types

All Hair Types

All Hair Types

All Hair Types

Formulated for

Hair Growth

Clarifying

Volumizing

Detoxing

Kids

Hero ingredients

Keratin & Onion

Apple Cider Vinegar, Argan Oil

Keratin & Onion

Biotin & Tea Tree

Minimal Ingredients

Plastic Free & Eco Friendly

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Sulfate, Parabens, Toxin free

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Average Use Time

2 Months

2 Months

2 Months

2 Months

2 Months

Funds Threatened Species

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Family Made in the USA

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Scents

Eucalyptus

Rosemary

Rosemary

Spearmint

Peach

Product Dimensions ‏ : ‎ 1.25 x 2.25 x 2.25 inches; 3.5 ounces
UPC ‏ : ‎ 860013851927
Manufacturer ‏ : ‎ Otter co
ASIN ‏ : ‎ B0F76FCHHD
Best Sellers Rank: #92,386 in Beauty & Personal Care (See Top 100 in Beauty & Personal Care) #172 in Hair Regrowth Shampoos
Customer Reviews: 4.2 4.2 out of 5 stars (20) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
SUPPORTS THICKER, STRONGER HAIR – Growth-focused formula designed to energize roots and improve scalp circulation. Ideal for thinning hair for men and women.
GROWTH-TARGETED OILS & INGREDIENTS – Biotin, scentless onion extract, keratin, rosemary oil, and ACV to nourish follicles and promote growth from scalp to tips.
SUPPORTS OTTERS & SMALL WILDLIFE NATIONWIDE – We donate a portion of each sale to conservation initiatives to restore otters in the wild and protect other small animals threatened by pollution and habitat loss. Be part of the mission, wash with purpose.
ECO-CONSCIOUS & TRAVEL-READY – No more bottles—this solid shampoo bar cuts plastic waste and fits perfectly in your gym bag, pool tote, or suitcase. Compostable packaging means zero guilt, all performance. One bar replaces 2–3 bottles of liquid shampoo and travels easily without leaks or mess.
LOVINGLY MADE BY OUR FAMILY FOR YOURS – Our purple shampoo is proudly handcrafted by our family in the U.S., every bar is created with quality ingredients and a whole lot of care—no mass production, just real personal touch. Free of sulfates, silicones, and harsh chemicals. Vegan and cruelty-free.
Customers find the shampoo bar effective and appreciate its pleasant fragrance. They report positive effects on hair growth, with one customer noting their hair stopped shedding by half after two weeks of use, while another mentions noticing baby hairs growing. Customers also praise the product for making their hair feel soft.