{"product_id":"isdin-si-nails-nail-strengthening-serum-0-08-fl-oz-fast-absorbing-hydrating-hardener-for-thin-brittle-nails","title":"ISDIN Si-Nails Nail Strengthening Serum 0.08 fl oz — Fast-Absorbing, Hydrating Hardener for Thin Brittle Nails","description":"\u003cp\u003e\u003cstrong\u003eISDIN Si-Nails is a fast-absorbing nail strengthening and hardening serum designed to build durability, reduce brittleness, and visibly improve the look of thin nails.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFormulated in Spain, this concentrated 0.08 fl oz treatment targets weak or damaged nails with a blend of silicon-promoting and hydrating ingredients. Its fast-drying, non-greasy texture lets you add a reinforcing layer to your nails without long wait times, while ongoing use helps restore firmness and smoothness. Clinically tested to increase nail strength and reduce roughness, Si-Nails is intended for regular at-home use as part of a nail care routine.\u003c\/p\u003e\n\n\u003ch3\u003eHow does Si-Nails make fragile nails stronger?\u003c\/h3\u003e\n\u003cp\u003eSi-Nails uses silanediol salicylate to encourage silicon presence in the nail structure, supporting natural rigidity. The formula also contains pistacia lentiscus gum to support keratin, which is essential for resilient nails. Together these actives reinforce the nail matrix and reduce splitting.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSilicon-promoting silanediol salicylate strengthens the nail plate\u003c\/li\u003e\n  \u003cli\u003ePistacia lentiscus gum supports keratin production for structure\u003c\/li\u003e\n  \u003cli\u003eRegular application improves resistance to peeling and breaking\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this serum hydrate cuticles and improve nail texture?\u003c\/h3\u003e\n\u003cp\u003eYes — Si-Nails includes cationic hyaluronic acid, an enhanced form of hyaluronic acid designed for better adhesion to the nail and surrounding skin. This ingredient helps retain moisture at the cuticle and nail surface, smoothing roughness and improving flexibility. Over weeks of use, nails appear less dry and more uniform in texture.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCationic hyaluronic acid delivers targeted moisturization to cuticles\u003c\/li\u003e\n  \u003cli\u003eReduces surface roughness for a smoother nail finish\u003c\/li\u003e\n  \u003cli\u003eImproves flexibility to lower the risk of cracks from dryness\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow quickly will I notice results and how should I apply it?\u003c\/h3\u003e\n\u003cp\u003eUsers have reported visible improvements in hardness, hydration and reduced brittleness after about 28 days of regular use. Application is simple: apply a thin coat to clean, dry nails and allow it to dry; no buffing is necessary. Use as directed — typically once daily — to build and maintain results.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eApply a thin layer to clean, dry nails and cuticles\u003c\/li\u003e\n  \u003cli\u003eAllow to dry fully before touching surfaces or applying polish\u003c\/li\u003e\n  \u003cli\u003eDaily use produces the best cumulative improvement after several weeks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs Si-Nails safe for nails with frequent polish or salon treatments?\u003c\/h3\u003e\n\u003cp\u003eSi-Nails is formulated to complement regular polish use and professional services, acting as a protective and restorative base layer. Because it dries quickly and absorbs well, it can be used under nail polish or between salon treatments to help reduce damage and support recovery. If you use harsh acetone removers often, pairing this serum with gentler removal methods will help maintain benefits.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorks as a base layer under nail polish\u003c\/li\u003e\n  \u003cli\u003eFast absorption reduces interference with manicures\u003c\/li\u003e\n  \u003cli\u003eSupports recovery after frequent salon procedures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: ISDIN Si-Nails is suited for anyone with thin, brittle, or rough nails who wants a compact, fast-absorbing booster to increase nail durability and hydration. It's a practical option for frequent polish wearers, people exposed to detergents or water often, and anyone seeking to restore a smoother, harder nail appearance without lengthy salon visits.\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 often should I apply ISDIN Si-Nails?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Apply a thin layer once daily to clean, dry nails; allow to dry fully. Consistent use produces best results over several weeks.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use Si-Nails under regular nail polish?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It dries quickly and works as a base layer to protect and strengthen nails beneath polish.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ISDIN","offers":[{"title":"Default Title","offer_id":53429645738331,"sku":"B07T6J98TT","price":51.35,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/9860\/9243\/files\/isdin-si-nails-front-packaging.jpg?v=1782239950","url":"https:\/\/remediesbeauty.co.uk\/products\/isdin-si-nails-nail-strengthening-serum-0-08-fl-oz-fast-absorbing-hydrating-hardener-for-thin-brittle-nails","provider":"REMEDIESBEAUTY","version":"1.0","type":"link"}