{"product_id":"otter-co-biotin-onion-hair-growth-shampoo-bar-scentless-onion-keratin-rosemary-for-thinning-hair-vegan-plastic-free","title":"Otter co Biotin \u0026 Onion Hair Growth Shampoo Bar — Scentless Onion, Keratin \u0026 Rosemary for Thinning Hair, Vegan Plastic-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-feeling hair and a healthier scalp routine.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact, plastic-free shampoo bar combines targeted ingredients commonly used in hair care—biotin for hair-supporting nutrition, keratin for strengthening strands, rosemary oil for scalp circulation, and apple cider vinegar for balanced pH—packaged into an easy-to-use solid. Handmade in the USA and free from sulfates, silicones, and harsh chemicals, the bar is vegan, cruelty-free, and wrapped in compostable packaging. A portion of every sale supports otter and small-wildlife conservation efforts, so your purchase also contributes to habitat restoration and pollution relief initiatives.\u003c\/p\u003e\n\n\u003ch3\u003eHow do the ingredients in this shampoo bar help my thinning hair?\u003c\/h3\u003e\n\u003cp\u003eThe formula brings together components commonly chosen to support thicker-looking hair and healthier scalp conditions. Biotin and keratin help improve hair's resilience, while rosemary oil supports scalp circulation and scentless onion extract provides a concentrated source of sulfur-containing compounds.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBiotin: supports hair structure and appearance.\u003c\/li\u003e\n  \u003cli\u003eKeratin: helps strengthen and reduce breakage.\u003c\/li\u003e\n  \u003cli\u003eRosemary oil: traditionally used to invigorate the scalp.\u003c\/li\u003e\n  \u003cli\u003eACV (apple cider vinegar): helps clarify and balance scalp pH.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat is the best way to use the solid shampoo for consistent results?\u003c\/h3\u003e\n\u003cp\u003eWet your hair and the bar, then either lather the bar in your hands or glide it directly across the scalp and lengths to create a rich foam. Massage the lather into the scalp for 1–2 minutes, rinse thoroughly, and repeat if needed; follow with your regular conditioner or a lightweight leave-in if desired.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWet hair thoroughly before applying the bar.\u003c\/li\u003e\n  \u003cli\u003eWork the bar into a lather or rub the bar across the scalp.\u003c\/li\u003e\n  \u003cli\u003eMassage the scalp to distribute active ingredients, then rinse well.\u003c\/li\u003e\n  \u003cli\u003eStore on a dry rack between uses to extend the bar’s life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long does one bar last and how does it replace bottled shampoo?\u003c\/h3\u003e\n\u003cp\u003eOne solid bar is formulated to replace multiple bottles of liquid shampoo depending on usage and hair length; on average it can replace 2–3 standard-size bottles. Because the bar is concentrated and applied directly, you use less product per wash, and its solid form eliminates leaks and reduces plastic waste.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTypical replacement: 2–3 bottles of liquid shampoo.\u003c\/li\u003e\n  \u003cli\u003eTravel-friendly: fits in gym bags and carry-ons without liquid restrictions.\u003c\/li\u003e\n  \u003cli\u003ePackaging: compostable wrap reduces plastic footprint.\u003c\/li\u003e\n  \u003cli\u003eStorage tip: keep dry between uses to maximize longevity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre there any fragrances or harsh chemicals in this shampoo bar?\u003c\/h3\u003e\n\u003cp\u003eThe bar uses scentless onion extract and a subtle natural profile rather than heavy synthetic perfumes. It is free from sulfates, silicones, and common harsh additives, making it a gentler option for those avoiding strong chemical detergents.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNo sulfates or silicones included.\u003c\/li\u003e\n  \u003cli\u003eScent profile: mild, natural-forward without overpowering synthetic fragrance.\u003c\/li\u003e\n  \u003cli\u003eVegan and cruelty-free formulation.\u003c\/li\u003e\n  \u003cli\u003eHandcrafted in the USA with non-toxic ingredient choices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Otter Co. Biotin \u0026amp; Onion Hair Growth Shampoo Bar is designed for people seeking a concentrated, eco-conscious alternative to liquid shampoos—especially those noticing thinning or fragile hair who prefer formulations free from sulfates and silicones. It suits travelers, gym-goers, and anyone who wants to reduce plastic use while supporting small-wildlife conservation. If you want a performance-focused solid shampoo made with recognizable hair-care ingredients and packaged sustainably, this bar offers a compact option for daily or targeted use.\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 colored or chemically treated hair?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the sulfate- and silicone-free formula is generally safe for color-treated hair, but test on a small section first to confirm individual sensitivity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How should I store the bar to make it last longer?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Keep the bar on a well-draining soap dish or rack between uses to allow it to dry fully and extend its lifespan.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Otter co","offers":[{"title":"Default Title","offer_id":58361418318211,"sku":"B0F76FCHHD","price":23.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/2696\/0515\/files\/otter-co-front-packaging-shampoo-bar.jpg?v=1782803752","url":"https:\/\/origin-beauty.com\/products\/otter-co-biotin-onion-hair-growth-shampoo-bar-scentless-onion-keratin-rosemary-for-thinning-hair-vegan-plastic-free","provider":"Origin Beauty","version":"1.0","type":"link"}