{"product_id":"lancome-cils-booster-xl-mascara-primer-full-size-fiber-infused-lash-primer-with-vitamins-b5-e","title":"Lancôme Cils Booster XL mascara primer Full Size — fiber-infused lash primer with Vitamins B5 \u0026 E","description":"\u003cstrong\u003eLancôme Cils Booster XL is a conditioning mascara primer that coats and strengthens lashes while creating a fuller, longer-looking base for any mascara.\u003c\/strong\u003e\n\n\u003cp\u003eThis primer from Lancôme is designed to be the first step in your lash routine: a white, fiber-infused formula that separates and conditions each lash to amplify the effects of your mascara. Formulated with micro-fibers plus Vitamin B5 and Vitamin E, it smooths on evenly and builds a clump-free foundation that enhances length, volume, and curl. Use it before mascara for immediate cosmetic lift or as an overnight treatment to nourish lashes while you sleep.\u003c\/p\u003e\n\n\u003ch3\u003eHow does Cils Booster XL improve the look of my lashes before mascara?\u003c\/h3\u003e\n\u003cp\u003eThe primer applies as a lightweight, white layer that increases lash thickness and helps mascara adhere more evenly. The micro-fibers create a subtle extension effect while the formula separates lashes so pigment deposits cleanly, reducing clumps for a false-lash appearance without added falsies.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEven white base increases mascara pigment payoff.\u003c\/li\u003e\n  \u003cli\u003eMicro-fibers add visible length and density.\u003c\/li\u003e\n  \u003cli\u003eBrush design coats from root to tip for uniform coverage.\u003c\/li\u003e\n  \u003cli\u003ePrevents clumping and improves mascara glide.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I use this product as a lash treatment overnight?\u003c\/h3\u003e\n\u003cp\u003eYes — the Cils Booster XL doubles as a nourishing overnight mask. Applied to clean, bare lashes before bed, its vitamin-enriched formulation conditions while you sleep, leaving lashes softer and visibly improved with regular use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eApply to dry, clean lashes before bedtime.\u003c\/li\u003e\n  \u003cli\u003eVitamins B5 and E support lash softness and resilience.\u003c\/li\u003e\n  \u003cli\u003eNon-stiff finish avoids crunchy residue.\u003c\/li\u003e\n  \u003cli\u003eVisible improvement with continued nightly use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat is the best way to layer this primer with my mascara?\u003c\/h3\u003e\n\u003cp\u003eFor optimal results, brush one to two coats of the primer onto both upper and lower lashes, working from the base outward. Do not wait for the primer to dry fully before applying mascara; layer your chosen mascara directly on top to fuse pigments and fibers for enhanced length and volume.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eApply 1–2 coats on top and bottom lashes.\u003c\/li\u003e\n  \u003cli\u003eDo not let it dry completely before mascara application.\u003c\/li\u003e\n  \u003cli\u003eUse a sweeping motion to avoid clumping at the base.\u003c\/li\u003e\n  \u003cli\u003eWorks with any mascara formulation for amplified results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance can I expect from clinical testing?\u003c\/h3\u003e\n\u003cp\u003eConsumer testing showed the majority of users noticed enhanced lash traits after a single application and ongoing benefits with continued use. While individual results vary, the formula is designed to both cosmetically boost lashes immediately and support visible improvement over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh percentage of users reported increased length and volume.\u003c\/li\u003e\n  \u003cli\u003eAlso shown to improve visible curl for many participants.\u003c\/li\u003e\n  \u003cli\u003eDelivers a soft, conditioned feel rather than stiffness.\u003c\/li\u003e\n  \u003cli\u003eDual-purpose as primer and overnight mask for daily and nightly routines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Lancôme Cils Booster XL suits anyone who wants fuller-looking, longer lashes without using falsies — ideal for those seeking a conditioning base to improve mascara performance as well as users who prefer a dual-function product for daytime makeup and nighttime lash care. It benefits users with sparse, short, or straight lashes who want a clump-free, natural lifted finish and those who appreciate a vitamin-enriched formula to help maintain lash softness and resilience.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003ePOLYBUTENE • PENTAERYTHRITYL TETRAISOSTEARATE • C18-36 ACID TRIGLYCERIDE • TRIDECYL TRIMELLITATE • BIS-DIGLYCERYL POLYACYLADIPATE-2 • SILICA DIMETHYL SILYLATE [NANO] \/ SILICA DIMETHYL SILYLATE • CALCIUM SODIUM BOROSILICATE • PENTYLENE GLYCOL • CAPRYLYL GLYCOL • MICA • PENTAERYTHRITYL TETRA-DI-T-BUTYL HYDROXYHYDROCINNAMATE • CI 77891 \/ TITANIUM DIOXIDE • CI 77491 \/ IRON OXIDES • BENZYL BENZOATE • BENZYL ALCOHOL • TIN OXIDE • CI 45380 \/ RED 22 LAKE • ALUMINA • CI 15985 \/ YELLOW 6 LAKE • GERANIOL • LIMONENE • PARFUM \/ FRAGRANCE (F.I.L. B253649\/1).\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 Cils Booster XL every night as a lash mask?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Apply to clean, dry lashes before bed. Use nightly for best conditioning results and softly nourished lashes in the morning.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need to let the primer dry before applying mascara?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. Apply mascara directly over the primer without waiting to lock in volume, length, and pigment intensity.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Lancôme","offers":[{"title":"Default Title","offer_id":67553521303722,"sku":"B018ZXEO50","price":84.1,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/8989\/6874\/files\/lancome-cils-booster-xl-front-packaging.jpg?v=1790888583","url":"https:\/\/opulora.ca\/products\/lancome-cils-booster-xl-mascara-primer-full-size-fiber-infused-lash-primer-with-vitamins-b5-e","provider":"OPULORA","version":"1.0","type":"link"}