{"product_id":"otter-co-biotin-onion-hair-growth-shampoo-bar-scentless-keratin-acv-solid-bar-for-thinning-hair-vegan-sulfate-free","title":"Otter Co. Biotin \u0026 Onion Hair Growth Shampoo Bar — Scentless, Keratin + ACV Solid Bar for Thinning Hair, Vegan \u0026 Sulfate-Free","description":"\u003cp\u003e\u003cstrong\u003eOtter Co. Biotin \u0026amp; Onion Hair Growth Shampoo Bar is a concentrated, travel-ready solid shampoo formulated with biotin, scentless onion extract, keratin, rosemary oil, and apple cider vinegar to support thicker-looking hair and healthier scalp routine.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis shampoo bar combines targeted botanical extracts and strengthening ingredients in a compact, low-waste format. Designed for people noticing thinning or wanting fuller-looking hair, it replaces multiple bottles of liquid shampoo and arrives in compostable packaging. The formula is vegan, sulfate-free, silicone-free, and handcrafted in the U.S., with a portion of proceeds supporting otter and small wildlife conservation.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this bar help hair feel fuller?\u003c\/h3\u003e\n\n\u003cp\u003eThe formula brings together biotin and keratin to fortify hair strands while onion extract and rosemary oil work at the scalp to support a healthier environment for hair. ACV helps remove buildup so hair looks cleaner and more voluminous without harsh detergents.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eBiotin and keratin strengthen strands and reduce breakage appearance.\u003c\/li\u003e\n  \u003cli\u003eScentless onion extract targets scalp health without strong odors.\u003c\/li\u003e\n  \u003cli\u003eRosemary oil supports circulation-related scalp care.\u003c\/li\u003e\n  \u003cli\u003eApple cider vinegar clarifies and balances pH for a refreshed look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill the bar work for both men and women with thinning hair?\u003c\/h3\u003e\n\n\u003cp\u003eYes — the shampoo bar is formulated to be gender-neutral and suitable for varied hair types experiencing thinning. It focuses on nourishing the scalp and reinforcing hair shaft integrity rather than delivering gender-specific fragrances or ingredients.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eNeutral scent profile suitable for anyone preferring subtle fragrance.\u003c\/li\u003e\n  \u003cli\u003eConcentrated solid form provides consistent dosing per use.\u003c\/li\u003e\n  \u003cli\u003eGentle cleansing without sulfates or silicones preserves scalp balance.\u003c\/li\u003e\n  \u003cli\u003eHandmade in the U.S. to maintain quality and small-batch consistency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use the solid shampoo for best results?\u003c\/h3\u003e\n\n\u003cp\u003eWet hair thoroughly, and either rub the bar between palms to lather or glide it directly over the scalp and hair for a few passes. Massage the lather into roots and through lengths, then rinse well. Use regularly as part of your routine and follow with a conditioner or oil if desired.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eWet hair and bar before lathering to maximize foam.\u003c\/li\u003e\n  \u003cli\u003eMassage into the scalp for 60–90 seconds to boost circulation.\u003c\/li\u003e\n  \u003cli\u003eRinse thoroughly; repeat once if hair is very oily or product-heavy.\u003c\/li\u003e\n  \u003cli\u003eStore on a dry rack between uses to extend bar life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes this an eco-friendly choice compared to bottled shampoo?\u003c\/h3\u003e\n\n\u003cp\u003eThe solid format eliminates single-use plastic bottles and reduces shipping weight, while each bar typically replaces two to three liquid shampoos. Packaging is compostable, and the compact size is ideal for travel, gym bags, or carry-on luggage without liquid restrictions.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eOne bar replaces multiple plastic bottles, cutting plastic waste.\u003c\/li\u003e\n  \u003cli\u003eLightweight for lower transport emissions and easier travel.\u003c\/li\u003e\n  \u003cli\u003eCompostable wrapper reduces landfill contribution.\u003c\/li\u003e\n  \u003cli\u003eHandcrafted small-batch production lowers mass-manufacturing impact.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This shampoo bar is made for people seeking a plant-forward, travel-friendly alternative to liquid shampoos—especially those noticing thinning or fragility and wanting to strengthen strands and refresh the scalp without sulfates, silicones, or harsh chemicals. It also appeals to eco-conscious shoppers who prefer compact packaging, cruelty-free formulations, and brands that donate to wildlife conservation.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eSodium Cocoyl Isethionate Powder (Baby Foam), Cetyl Alcohol, BTMS 50, Panthenol, Shea Butter, Cocomidapropyl Betaine, Fragrance, Mica, Eucalyptus Essential Oil, Peppermint Essential Oil, Rosemary Essential Oil, Mid Chain Triglyceride Oil\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this shampoo bar safe for color-treated hair?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the sulfate-free formula cleans gently and is generally safe for color-treated hair; patch test if you have very fragile color.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long does one bar typically last?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: With regular use one bar usually replaces 2–3 bottles of liquid shampoo, lasting several weeks to months depending on frequency and storage.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Otter co","offers":[{"title":"Default Title","offer_id":49633046036618,"sku":"B0F76FCHHD","price":72.41,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/4825\/6394\/files\/otter-co-front-packaging-shampoo-bar_2fabb6ee-38dd-4a16-b29b-9ae6a6441311.jpg?v=1782967953","url":"https:\/\/auviraskincare.com\/products\/otter-co-biotin-onion-hair-growth-shampoo-bar-scentless-keratin-acv-solid-bar-for-thinning-hair-vegan-sulfate-free","provider":"Auvira Beauty","version":"1.0","type":"link"}