{"product_id":"raw-hair-tester-natural-black-1b","title":"Raw Human Hair Tester — Natural Black (1B), Unprocessed | Research Grade","description":"\u003cp\u003e\u003cstrong\u003eRaw, unprocessed human-hair tester for product and cosmetic research.\u003c\/strong\u003e Single-donor Indian hair, ethically and directly sourced, with the cuticle intact and aligned — never chemically processed, steamed, or color-treated. Supplied as a bound tress for lab and at-home testing.\u003c\/p\u003e\n\u003cp\u003eThis is a \u003cstrong\u003eresearch tester\u003c\/strong\u003e — not one of our $5 weft samples (those are for salon and retail colour\/texture matching). It is for evaluating how products perform on real, untreated human hair, including \u003cstrong\u003eroughness and split-end \/ damage\u003c\/strong\u003e behaviour.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eColor: Natural Black (1B)\u003c\/li\u003e\n\u003cli\u003eLength: 6 inches\u003c\/li\u003e\n\u003cli\u003eWeight: approx. 8 g\u003c\/li\u003e\n\u003cli\u003eHair: 100% raw, unprocessed single-donor human hair, cuticle-aligned\u003c\/li\u003e\n\u003cli\u003eSourcing: ethically and directly sourced — no chemical processing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAge-based testers also available on request.\u003c\/strong\u003e If you need hair from a specific donor age bracket — 25–35, 35–45, or 45–55 — for roughness or split-end research (older brackets carry more natural wear), ask us before ordering. Rough-hair and split-end-specific testers can also be supplied on request.\u003c\/p\u003e\n\u003cp\u003eOther colors — platinum blonde, golden blonde, white, and grey — are available on request. Ask about bulk \/ lab research quantities.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eFor cosmetic and product-testing research use. This is a raw human-hair tester, not a medical product.\u003c\/em\u003e\u003c\/p\u003e","brand":"Prarvi","offers":[{"title":"Default Title","offer_id":44415585091626,"sku":"TESTER-1B-6IN","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/1524\/files\/raw-tester-1b-front.jpg?v=1780431151","url":"https:\/\/prarvihair.com\/products\/raw-hair-tester-natural-black-1b","provider":"Prarvi Hair","version":"1.0","type":"link"}