{"product_id":"isdin-si-nails-nail-strengthening-serum-0-08-fl-oz-fast-absorbing-hydrates-hardens-thin-nails","title":"ISDIN Si-Nails nail strengthening serum 0.08 fl oz — fast-absorbing, hydrates \u0026 hardens thin nails","description":"\u003cp\u003e\u003cstrong\u003eISDIN Si-Nails is a fast-absorbing serum that strengthens, hardens and hydrates thin or brittle nails to improve durability and appearance.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned by ISDIN in Spain, this concentrated 0.08 fl oz nail serum targets weak, splitting or rough nails with a blend of silicon-promoting molecules, keratin-supporting resin and cationic hyaluronic acid to boost cuticle hydration. The lightweight formula soaks in quickly without leaving a sticky film, making it easy to add to your daily grooming routine. Clinical testing shows users notice harder, more hydrated nails and reduced brittleness after regular use for several weeks.\u003c\/p\u003e\n\n\u003ch3\u003eHow does Si-Nails help nails become harder and less brittle?\u003c\/h3\u003e\n\u003cp\u003eThe serum supplies building-block support and surface protection that work together to improve nail resilience. Silanediol salicylate encourages silicon availability—an important mineral component of healthy nails—while the gum extract supports keratin production to reinforce the nail plate.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePromotes silicon content in the nail with silanediol salicylate\u003c\/li\u003e\n  \u003cli\u003eSupports keratin formation through pistacia lentiscus gum\u003c\/li\u003e\n  \u003cli\u003eImproves surface texture and reduces roughness on the nail plate\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this serum hydrate the cuticle and surrounding skin?\u003c\/h3\u003e\n\u003cp\u003eYes — ISDIN included cationic hyaluronic acid, a modified form of hyaluronic acid that adheres to keratin-rich surfaces for longer-lasting moisture. It helps replenish hydration at the cuticle and nail edge to decrease splitting and flaking.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCationic hyaluronic acid sticks to the nail and cuticle for extended moisturization\u003c\/li\u003e\n  \u003cli\u003eReduces dryness that can lead to peeling and breakage\u003c\/li\u003e\n  \u003cli\u003eAbsorbs quickly so it won’t leave a greasy residue\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use Si-Nails for best results?\u003c\/h3\u003e\n\u003cp\u003eApply the serum to clean, dry nails and cuticles once daily or as directed until desired improvement is achieved, then maintain with regular use. Consistent application over several weeks produces the most noticeable change in hardness and appearance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWipe nails clean before use to ensure absorption\u003c\/li\u003e\n  \u003cli\u003eOne small drop per nail is typically sufficient for full coverage\u003c\/li\u003e\n  \u003cli\u003eAllow to dry briefly before touching surfaces or applying polish\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this product suitable with nail polish or other nail treatments?\u003c\/h3\u003e\n\u003cp\u003eSi-Nails works well under or between polish applications because it is lightweight and non-greasy. For optimum penetration, apply to bare nails; if used with polish, allow the serum to dry first to ensure adhesion of lacquer or topcoats.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCan be used between manicures to strengthen nails\u003c\/li\u003e\n  \u003cli\u003eApply under polish after serum dries for protection and improved appearance\u003c\/li\u003e\n  \u003cli\u003eCompatible with most routine nail care products when used as directed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? ISDIN Si-Nails is for anyone with thin, fragile or splitting nails who wants a simple, fast-absorbing treatment to enhance strength and hydration. It’s suitable for people seeking to improve nail texture and durability without heavy oils or long-drying formulas, and for those who prefer a clinically informed product developed in Spain.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eWater, Alcohol Denat., PEG-40 Hydrogenated Castor Oil, Butylene Glycol, Acrylates Copolymer, Silanediol Salicylate, Tromethamine, Caprylic,Capric Triglyceride, Hydroxypropyltrimonium Hyaluronate, Triethanolamine, Biosaccharide Gum-2, Pistacia Lentiscus (Mastic) Gum, Propylene Glycol, Phenoxyethanol, Benzyl Alcohol, Methylparaben\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 long until I see results with ISDIN Si-Nails?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Many users report improvements in hardness and hydration after about four weeks of daily use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use Si-Nails with nail polish?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — apply to clean nails and let the serum dry before polishing for best adhesion.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ISDIN","offers":[{"title":"Default Title","offer_id":51488121782505,"sku":"B07T6J98TT","price":119.77,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/7674\/2633\/files\/isdin-si-nails-front-bottle.jpg?v=1783303033","url":"https:\/\/cervaaustralia.com\/products\/isdin-si-nails-nail-strengthening-serum-0-08-fl-oz-fast-absorbing-hydrates-hardens-thin-nails","provider":"Cerva Australia | Professional Beauty Supplies, Skincare \u0026 Cosmetics","version":"1.0","type":"link"}