{"product_id":"bl-bl-lash-extension-sealant-black-diamond-tinted-sealant-extends-fills-3-4-weeks-waterproof-brush","title":"BL BL Lash Extension Sealant Black Diamond — Tinted Sealant, Extends Fills 3–4 Weeks, Waterproof Brush","description":"\u003cstrong\u003eBL BL Lashes Black Diamond is a tinted lash extension sealant that protects extensions, gives a dark mascara-style finish, and helps extend salon fills to three to four weeks with daily use.\u003c\/strong\u003e\n\n\u003cp\u003eIf you want extensions to look neat longer without daily mascara or complicated removers, this lightweight sealant provides a dark defining coat, water resistance, and ingredients that support natural lash health. Designed for both salon pros and at-home users, the formula seals adhesive bonds, reduces exposure to sweat and humidity, and rinses clean with warm water. Use a single thin coat on completely dry lashes after washing to maximize retention and maintain a polished, clump-free look.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this product help my lash fills last longer?\u003c\/h3\u003e\n\u003cp\u003eThe Black Diamond sealant forms a protective barrier over bonded extensions, reducing the effects of moisture, oil, and friction that usually weaken glue. With consistent daily application after cleansing, many users report longer intervals between touch-ups.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eApply one thin coat to fully dry lashes after each wash to protect adhesive joints.\u003c\/li\u003e\n  \u003cli\u003eWaterproof coating resists sweat, humidity, and swimming exposure.\u003c\/li\u003e\n  \u003cli\u003eDaily use can extend fills from biweekly to three–four weeks for many customers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this make my lash extensions look like I’m wearing mascara?\u003c\/h3\u003e\n\u003cp\u003eYes — the product is darkly tinted to define and align extensions so they read like a mascaraed set without the stickiness or flakes of traditional mascara. The brush applicator lays a fine, even film that separates and smooths every lash.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDark tint gives volume and definition while avoiding clumps or flakes.\u003c\/li\u003e\n  \u003cli\u003eThin brush reaches the base of extensions and aligns stray fibers.\u003c\/li\u003e\n  \u003cli\u003eOne light layer is enough; avoid over-application to prevent buildup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this gentle enough for natural lashes and safe to use daily?\u003c\/h3\u003e\n\u003cp\u003eThe formula includes conditioning ingredients like biotin, panthenol, allantoin, and hyaluronic acid to support lash health while sealing extensions. Independent testing showed no irritation in a 24-hour patch test, though you should avoid direct contact with the eye and apply only to lashes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInfused with nourishing actives to help condition natural hairs.\u003c\/li\u003e\n  \u003cli\u003eIntertek-verified for improved washability and low irritation in testing.\u003c\/li\u003e\n  \u003cli\u003eRinseable with warm water — no specialized remover required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do professionals use it, and can I use it at home?\u003c\/h3\u003e\n\u003cp\u003eLicensed lash technicians recommend BL BL Black Diamond in salons for retention support, and its easy brush applicator makes it accessible for at-home maintenance. Use it as the final step after cleansing and drying lashes to lock in sets applied by pros or DIY cluster lashes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTrusted by lash artists for improving client retention in salons.\u003c\/li\u003e\n  \u003cli\u003eWorks with full extensions and individual cluster lashes alike.\u003c\/li\u003e\n  \u003cli\u003eSmall 0.24 fl.oz bottle lasts months with daily thin-coat use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? If you wear eyelash extensions or clusters and want a simple, professional-feeling maintenance step that keeps fills looking fresh longer, this sealant is a fit. It’s aimed at active people who sweat or swim, anyone with oily skin seeking better retention, salon clients wanting extended time between fills, and techs who need a reliable finishing product. Follow instructions — shake well, apply one thin coat to completely dry lashes, and rinse with warm water when needed — to get the longest-lasting, most natural-looking results without complicated removers.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eBiotin\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 apply the sealant?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Apply one thin coat after each wash on completely dry lashes; daily use provides best retention.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need a remover to take it off?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No special remover is required — the formula rinses clean with warm water.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BL BL","offers":[{"title":"Default Title","offer_id":58361424216451,"sku":"B007PV2JV0","price":25.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/2696\/0515\/files\/bl-bl-black-diamond-front-packaging.jpg?v=1782804005","url":"https:\/\/origin-beauty.com\/products\/bl-bl-lash-extension-sealant-black-diamond-tinted-sealant-extends-fills-3-4-weeks-waterproof-brush","provider":"Origin Beauty","version":"1.0","type":"link"}