{"product_id":"dr-groot-hair-thickening-serum-roll-on-for-thinning-hair-cooling-metal-tip-biotin-salicylic-acid","title":"Dr. Groot Hair Thickening Serum Roll-On for Thinning Hair — Cooling Metal-Tip, Biotin \u0026 Salicylic Acid","description":"\u003cp\u003e\u003cstrong\u003eDr. Groot Hair Thickening Serum is a roll-on scalp treatment formulated to reduce breakage-related loss and support thicker-looking hair with a cooling, lightweight gel.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis scalp serum blends targeted actives and a precise metal-tip applicator to treat areas of thinning like a skincare routine for the scalp. Clinically tested ingredients such as biotin, salicylic acid, niacinamide and caffeine work in a menthol-infused watery gel designed to control oil, soothe irritation, and improve scalp moisture balance without parabens, silicones, sulfates, or gluten.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the roll-on applicator make a difference?\u003c\/h3\u003e\n\u003cp\u003eThe metal-tip roll-on allows accurate, mess-free placement of the gel onto specific scalp zones, preventing product waste and ensuring steady contact. The cool metal also provides a soothing sensation that helps calm the scalp while distributing the formula evenly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMetal roll-on tip for targeted application and minimal spill\u003c\/li\u003e\n  \u003cli\u003eHygienic, spot-treatment delivery for thinning patches\u003c\/li\u003e\n  \u003cli\u003eEven distribution of watery gel without greasy residue\u003c\/li\u003e\n  \u003cli\u003eCooling sensation from the metal tip and menthol for immediate comfort\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat active ingredients are included and what do they do?\u003c\/h3\u003e\n\u003cp\u003eThe serum contains a blend of supportive scalp actives—biotin, rosemary extract, panthenol, niacinamide, caffeine and salicylic acid—that together exfoliate, cleanse, and hydrate. These ingredients are selected to reduce scalp oil, improve hydration, and help lower breakage-related hair loss according to clinical testing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBiotin and panthenol to help improve hair appearance and manageability\u003c\/li\u003e\n  \u003cli\u003eSalicylic acid to gently exfoliate and unclog follicles\u003c\/li\u003e\n  \u003cli\u003eNiacinamide and rosemary extract for scalp conditioning and calm\u003c\/li\u003e\n  \u003cli\u003eCaffeine to support scalp circulation and menthol for freshness\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat results were seen in clinical testing and how fast?\u003c\/h3\u003e\n\u003cp\u003eClinical results reported measurable improvements in scalp condition and breakage-related hair loss within a two-week timeframe. The study data highlighted reductions in hair loss due to breakage, lower scalp oil, and improved hydration metrics when used as directed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReduces hair loss from breakage by 82.2% in two weeks (study metric)\u003c\/li\u003e\n  \u003cli\u003eDecreases scalp oil by about 46.4% per clinical evaluation\u003c\/li\u003e\n  \u003cli\u003eImproves scalp hydration roughly 30% and reduces moisture loss near 39.5%\u003c\/li\u003e\n  \u003cli\u003eAlso reported to reduce visible scalp redness in study parameters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I incorporate this serum into my routine?\u003c\/h3\u003e\n\u003cp\u003eApply the roll-on directly to dry or towel-dried areas of concern, gently roll over the scalp and leave the light gel to absorb—no rinsing required. Use consistently as part of a daily or nightly regimen; follow label instructions and combine with gentle shampooing for best scalp hygiene.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSpot-apply with metal-tip roll-on to thinning areas once or twice daily\u003c\/li\u003e\n  \u003cli\u003eCan be used on dry or damp scalp; no need to rinse after application\u003c\/li\u003e\n  \u003cli\u003ePair with a mild cleansing routine to keep follicles free of buildup\u003c\/li\u003e\n  \u003cli\u003eStore upright and keep away from extreme heat to preserve formula integrity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Dr. Groot Hair Thickening Serum is suited for people noticing increased hair breakage, oily scalp, or early thinning who want a targeted, non-greasy topical option. It appeals to users seeking a dermatologist-friendly-feeling treatment with measurable scalp hydration and oil-control benefits, those preferring cosmetic-grade active ingredients, and anyone who likes the precision of a roll-on applicator for localized care.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eWater, alcohol denat., niacinamide, panthenol, adenosine, glycerin, salicylic acid, sodium hyaluronate, retinol, ceramide NP, caffeine, biotin, tocopherol, various amino acids, plant extracts (such as rosemary, centella asiatica, eucalyptus, scutellaria, and chamaecyparis), fermented lysates (bifida, lactococcus, lactobacillus, saccharomyces), moisturizers (butylene glycol, dipropylene glycol, trehalose, beta-glucan, inulin), antioxidants (ferulic acid, magnesium ascorbate), and fragrance components including limonene, linalool, citronellol, geraniol, citral, hexyl cinnamal, hydroxycitronellal, and coumarin.\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 serum safe for daily use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It’s formulated for regular topical use; follow label directions and discontinue if irritation occurs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this with other hair treatments?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Generally yes; use at different times than oil-based treatments and consult your dermatologist if combining medical products.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Dr. Groot","offers":[{"title":"Default Title","offer_id":58345401909635,"sku":"B0DK22L979","price":37.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/2696\/0515\/files\/dr-groot-front-packaging_32da0bc3-cd6a-465c-919c-a674f72cf55b.jpg?v=1782620062","url":"https:\/\/origin-beauty.com\/products\/dr-groot-hair-thickening-serum-roll-on-for-thinning-hair-cooling-metal-tip-biotin-salicylic-acid","provider":"Origin Beauty","version":"1.0","type":"link"}