{"product_id":"dr-groot-thickening-shampoo-for-thinning-hair-biotin-rosemary-oil-volumizing-sulfate-free-12-7oz","title":"Dr. Groot Thickening Shampoo for Thinning Hair, Biotin \u0026 Rosemary Oil — Volumizing, Sulfate-Free (12.7oz)","description":"\u003cp\u003e\u003cstrong\u003eDr. Groot Hair Thickening Shampoo is a biotin- and rosemary-infused Korean formula designed to cleanse, hydrate, and visibly add volume to thinning or damaged hair.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis shampoo pairs targeted scalp care with lightweight conditioning ingredients to lift hair at the root while improving scalp moisture and clarity. Developed by scientists and tested on a variety of scalp types, it aims to reduce buildup, soothe dry skin, and create the foundation for stronger-looking, fuller hair. The formulation is free from parabens, silicones, sulfates and gluten and is safe for color-treated hair.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this shampoo make hair look thicker?\u003c\/h3\u003e\n\u003cp\u003eThe formula combines biotin and encapsulated prebiotics to support a voluminous appearance by plumping individual strands and clearing residue from the scalp. Rosemary oil and caffeine boost the scalp’s environment so hair lies with more lift at the roots, producing visible fullness without heavy silicones.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBiotin-rich blend adds body to each strand.\u003c\/li\u003e\n  \u003cli\u003eEncapsulated prebiotics help reduce product and sebum buildup.\u003c\/li\u003e\n  \u003cli\u003eLightweight conditioning avoids weighing hair down.\u003c\/li\u003e\n  \u003cli\u003eRosemary oil and caffeine give root lift and a refreshed scalp feel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat scalp and hair concerns does it address?\u003c\/h3\u003e\n\u003cp\u003eThis shampoo targets dryness, visible scalp redness due to dry skin, and buildup that can make hair appear flat. Dermatologically tested, it supports scalp moisture and surface exfoliation so follicles look cleaner and hair appears healthier.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImproves scalp hydration and reduces dry-skin redness.\u003c\/li\u003e\n  \u003cli\u003eRemoves residue that flattens hair for a natural lift.\u003c\/li\u003e\n  \u003cli\u003eSuitable for dry, damaged, or fine hair types seeking volume.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I use Dr. Groot for best results?\u003c\/h3\u003e\n\u003cp\u003eUse on wet hair, massaging into the scalp to create a gentle lather, then rinse and follow with your preferred conditioner or the Dr. Groot scalp treatment. Regular use improves scalp clarity and moisture balance; many users notice differences in texture and root body over repeated applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eApply to wet hair, focus on the scalp, massage 60–90 seconds.\u003c\/li\u003e\n  \u003cli\u003eRinse thoroughly and repeat if hair is very oily or product-laden.\u003c\/li\u003e\n  \u003cli\u003eFollow with a lightweight conditioner to maintain volume.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this safe for colored or chemically treated hair?\u003c\/h3\u003e\n\u003cp\u003eYes — the formulation is designed to be gentle on color-treated hair while still delivering cleansing and volumizing benefits. Free from sulfates and harsh parabens, it helps maintain color vibrancy without stripping or dulling treated strands.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSulfate-free cleansing reduces color fade from harsh detergents.\u003c\/li\u003e\n  \u003cli\u003eNo silicones, so hair remains bouncy rather than weighed down.\u003c\/li\u003e\n  \u003cli\u003eDermatologically tested for gentle performance on various hair types.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Dr. Groot Hair Thickening Shampoo is aimed at men and women who want fuller-looking hair without heavy styling products—especially those with fine, thinning, dry, or damaged hair seeking improved scalp moisture and reduced buildup. It’s a good choice for anyone who prefers clean, science-backed Korean hair care that’s gentle on color-treated locks and focuses on scalp health as a route to visible body.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eSalicylic Acid\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: How often should I use Dr. Groot Hair Thickening Shampoo?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use it every wash; most users shampoo 2–4 times weekly depending on oiliness and styling routine.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this shampoo safe for color-treated hair?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The formula is sulfate-free and dermatologically tested to be safe for colored and chemically treated hair.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Dr. Groot","offers":[{"title":"Default Title","offer_id":65564399337821,"sku":"B0CGSLVL8T","price":48.78,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/4345\/5581\/files\/dr-groot-front-packaging_d9073f8c-78a8-4948-8a92-384d1e9e650a.jpg?v=1786621538","url":"https:\/\/britishharmonia.co.uk\/products\/dr-groot-thickening-shampoo-for-thinning-hair-biotin-rosemary-oil-volumizing-sulfate-free-12-7oz","provider":"British Harmonia | Natural Makeup \u0026 Fragrance by British Harmonia UK","version":"1.0","type":"link"}