{"product_id":"physicians-formula-eye-booster-lash-enhancing-eyeliner-serum-ultra-black-precision-brush-lash-conditioning","title":"Physicians Formula Eye Booster Lash-Enhancing Eyeliner Serum — Ultra Black, Precision Brush \u0026 Lash-Conditioning","description":"\u003cstrong\u003ePhysicians Formula Eye Booster is a dual-action liquid eyeliner that defines the lash line instantly while a lash-targeting serum conditions and helps lashes appear longer, fuller, and thicker over time.\u003c\/strong\u003e\n\n\u003cp\u003eThis 2-in-1 formula combines the precision of a pigmented liquid liner with a lash-boosting complex designed to work at the base of the lashes. Dermatologist approved, hypoallergenic, cruelty-free, and vegan, the Ultra Black shade gives a deep, lasting line for everyday wear or dramatic looks. The product is made to be safe for sensitive eyes and can be used alone as a conditioning treatment or layered under makeup for added definition.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this product define my eyes on application?\u003c\/h3\u003e\n\u003cp\u003eThe fine brush tip deposits smooth, high-pigment Ultra Black ink for clear, sharp lines in a single stroke. It hugs the lash line to create the illusion of denser lashes while delivering a polished, long-wearing finish that resists smudging when applied to clean lids.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecision brush for thin or bold lines\u003c\/li\u003e\n  \u003cli\u003eUltra Black pigment for instant definition\u003c\/li\u003e\n  \u003cli\u003eFast-drying formula that layers well with mascara\u003c\/li\u003e\n  \u003cli\u003eSuitable for tightlining and winged looks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat lash improvement can I expect with regular use?\u003c\/h3\u003e\n\u003cp\u003eThe lash-boosting complex targets the base of the lashes where it can most effectively condition and improve the look of length, volume, and thickness. In consumer testing, most participants reported visible enhancement within weeks when using the serum consistently.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e75% of women reported longer, fuller lashes after 2 weeks\u003c\/li\u003e\n  \u003cli\u003eOver 91% noticed enhanced lashes after 4 weeks (panel perception)\u003c\/li\u003e\n  \u003cli\u003eCan be used nightly alone or under eye makeup for ongoing conditioning\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this safe for sensitive eyes and contact lens wearers?\u003c\/h3\u003e\n\u003cp\u003ePhysicians Formula formulates this eyeliner-serum with sensitivity in mind: it is dermatologist approved, hypoallergenic, and free of 150+ harsh ingredients commonly avoided in sensitive skin care. The gentle recipe is designed to minimize irritation when used as directed, though individual tolerance can vary.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHypoallergenic formula tested for sensitive skin\u003c\/li\u003e\n  \u003cli\u003eDermatologist approved and fragrance-free\u003c\/li\u003e\n  \u003cli\u003eVegan and cruelty-free production standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use the 2-in-1 eyeliner and serum for best results?\u003c\/h3\u003e\n\u003cp\u003eApply the liquid liner along the upper lash line for instant definition; for conditioning benefits, apply a thin line at the lash base nightly or beneath makeup. Consistent application is key to seeing progressive changes in lash appearance over several weeks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse the brush to draw precise lines or tightline the roots\u003c\/li\u003e\n  \u003cli\u003eApply nightly as a serum or daytime under makeup\u003c\/li\u003e\n  \u003cli\u003eRemove gently with a mild eye makeup remover before sleep\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This 2-in-1 liner-serum is ideal for anyone who wants the convenience of instant eye definition plus a conditioning treatment in one product. It suits people with sensitive eyes, those who prefer vegan and cruelty-free cosmetics, and anyone seeking noticeable lash enhancement without adding multiple steps to their routine.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eWater. Ethylhexyl Acrylate\/Methyl Methacrylate Copolymer. Butylene Glycol. SD Alcohol 40. Beheneth-30. Ammonium Acrylates\/Methyl Styrene\/Styrene Copolymer. Glycerin. Myristoyl Pentapeptide-17. 1,2-Hexanediol. Acrylates\/Octylacrylamide Copolymer. Caprylyl Glycol. Ethylhexylglycerin. Pentylene Glycol. Polyglyceryl-3 Disiloxane Dimethicone. Phenoxyethanol. Sodium Hydroxide. Disodium EDTA. Black 2.\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: Can I use this eyeliner every day?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it’s formulated for daily use as an eyeliner and nightly as a conditioning serum; remove gently at day’s end.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this eyeliner safe for contact lens wearers?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The formula is hypoallergenic and dermatologist approved, but contact lens wearers should patch test for personal tolerance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Physicians Formula","offers":[{"title":"Default Title","offer_id":58358801957251,"sku":"B004HYRH06","price":15.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/2696\/0515\/files\/physicians-formula-eye-booster-front-packaging.jpg?v=1782758764","url":"https:\/\/origin-beauty.com\/products\/physicians-formula-eye-booster-lash-enhancing-eyeliner-serum-ultra-black-precision-brush-lash-conditioning","provider":"Origin Beauty","version":"1.0","type":"link"}