{"product_id":"dual-forms","title":"Dual Forms Extension Molds","description":"\n\u003cdiv class=\"ns-product-copy\"\u003e\n\u003cdiv class=\"ns-section-card\"\u003e\n\u003cp class=\"ns-intro\"\u003e\u003cstrong\u003e\u003cspan class=\"ns-gold\"\u003eNAILSPIRACY Dual Forms for Upper Extensions\u003c\/span\u003e\u003c\/strong\u003e are professional reusable upper forms for sculpting nail extensions with acrygel, polygel, and builder gel systems. Each form is selected by three key parameters: \u003cstrong\u003esize\u003c\/strong\u003e, \u003cstrong\u003earch height\u003c\/strong\u003e, and \u003cstrong\u003eC-curve\u003c\/strong\u003e, helping nail technicians create a secure fit and consistent extension structure for different natural nail types.\u003c\/p\u003e\n\u003cul class=\"ns-short-list\" aria-label=\"Dual Forms for Upper Extensions key product benefits\"\u003e\n\u003cli\u003e\n\u003cspan class=\"ns-check\"\u003e✓\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003eSize Options\u003c\/strong\u003e – Small, Large, X-Large\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"ns-check\"\u003e✓\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003eArch Options\u003c\/strong\u003e – Low, medium, high arch\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"ns-check\"\u003e✓\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003eC-Curve Options\u003c\/strong\u003e – Medium or high C-curve\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"ns-check\"\u003e✓\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003eSecure Fit\u003c\/strong\u003e – Better control during sculpting\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"ns-check\"\u003e✓\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003ePack of 120\u003c\/strong\u003e – Professional salon set\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ns-readmore-label\"\u003eLearn more about Dual Forms for Upper Extensions\u003c\/div\u003e\n\u003cdiv class=\"ns-content-accordion\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"ns-accordion-heading\"\u003eProfessional Dual Forms for Upper Extensions\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"ns-accordion-body\"\u003e\n\u003cp\u003eDual forms, also called upper forms, are used to sculpt nail extensions from the top side of the nail. Product is placed inside the form, the form is positioned on the prepared nail, and the extension is cured into shape.\u003c\/p\u003e\n\u003cp\u003eNAILSPIRACY Dual Forms are designed for professional services using \u003ca href=\"\/collections\/acrygel\" title=\"Nailspiracy Acrygel\"\u003eacrygel\u003c\/a\u003e, polygel, or \u003ca href=\"\/collections\/builder-gel\" title=\"Nailspiracy Builder Gel\"\u003ebuilder gel\u003c\/a\u003e. The correct form choice helps improve fit, reduce excess filing, and create a cleaner extension structure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"ns-accordion-heading\"\u003eThree Parameters: Size, Arch, and C-Curve\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"ns-accordion-body\"\u003e\n\u003cul class=\"ns-use-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Small, Large, and X-Large options help fit different nail bed widths and extension lengths.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArch:\u003c\/strong\u003e Low Arch, Medium Arch, and High Arch options help match the height and profile of the natural nail plate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC-Curve:\u003c\/strong\u003e Medium C-Curve and High C-Curve options control the side-to-side curve of the extension.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese three parameters work together. Size controls width and length fit, arch controls the vertical profile, and C-curve controls how curved the extension looks from sidewall to sidewall.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"ns-accordion-heading\"\u003eHow to Choose the Right Dual Form\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"ns-accordion-body\"\u003e\n\u003cp\u003eChoose the form by checking the client’s natural nail width, nail plate height, sidewall curve, and desired extension length. The form should sit securely without squeezing the natural nail or leaving large gaps at the sidewalls.\u003c\/p\u003e\n\u003cul class=\"ns-use-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall size\u003c\/strong\u003e – for narrower nail beds or shorter extension work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge size\u003c\/strong\u003e – for standard to wider nail beds and medium extensions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eX-Large size\u003c\/strong\u003e – for wider nails or longer extension styles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Arch\u003c\/strong\u003e – for flatter nail plates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedium Arch\u003c\/strong\u003e – for average natural nail height.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Arch\u003c\/strong\u003e – for more curved or higher-profile nails.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedium C-Curve\u003c\/strong\u003e – for a softer, more natural extension curve.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh C-Curve\u003c\/strong\u003e – for a stronger, deeper side-to-side curve.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"ns-accordion-heading\"\u003eBest Uses\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"ns-accordion-body\"\u003e\n\u003cul class=\"ns-use-list\"\u003e\n\u003cli\u003eAcrygel upper form extensions\u003c\/li\u003e\n\u003cli\u003ePolygel nail extensions\u003c\/li\u003e\n\u003cli\u003eBuilder gel extensions\u003c\/li\u003e\n\u003cli\u003eShort, medium, and long extension sculpting\u003c\/li\u003e\n\u003cli\u003eNatural-looking or stronger C-curve structures\u003c\/li\u003e\n\u003cli\u003eSalon services where speed and consistency matter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"ns-accordion-heading\"\u003eHow to Use\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"ns-accordion-body\"\u003e\n\u003col\u003e\n\u003cli\u003eSelect the correct size, arch height, and C-curve for the client’s natural nail.\u003c\/li\u003e\n\u003cli\u003eApply acrygel, polygel, or builder gel inside the dual form and spread the product evenly.\u003c\/li\u003e\n\u003cli\u003ePlace the form onto the prepared nail, aligning the cuticle area, sidewalls, and free edge.\u003c\/li\u003e\n\u003cli\u003ePress gently to secure the form without flooding the cuticle area.\u003c\/li\u003e\n\u003cli\u003eCure fully according to your product system.\u003c\/li\u003e\n\u003cli\u003eRemove the form, refine the edges, and finish the extension as needed.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"ns-note\"\u003eProper fit matters. A form that is too narrow, too flat, too high, or the wrong C-curve can affect product placement, extension structure, and final shape.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"ns-accordion-heading\"\u003eCleaning and Storage\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"ns-accordion-body\"\u003e\n\u003cul class=\"ns-use-list\"\u003e\n\u003cli\u003eRemove uncured product residue before it hardens inside the form.\u003c\/li\u003e\n\u003cli\u003eClean according to your salon protocol and the material compatibility of the form.\u003c\/li\u003e\n\u003cli\u003eKeep forms dry before storage.\u003c\/li\u003e\n\u003cli\u003eStore by size, arch, and C-curve to make client fitting faster.\u003c\/li\u003e\n\u003cli\u003eAvoid bending, crushing, or exposing forms to direct heat.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"ns-accordion-heading\"\u003eFinal Summary\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"ns-accordion-body\"\u003e\n\u003cp\u003e\u003cstrong\u003eNAILSPIRACY Dual Forms for Upper Extensions\u003c\/strong\u003e help nail technicians create structured nail extensions with acrygel, polygel, or builder gel. Each form is selected by size, arch height, and C-curve, giving more control over fit, structure, and final extension shape.\u003c\/p\u003e\n\u003cp class=\"ns-note\"\u003ePair with \u003ca href=\"\/collections\/acrygel\" title=\"Nailspiracy Acrygel\"\u003eNailspiracy Acrygel\u003c\/a\u003e or \u003ca href=\"\/collections\/builder-gel\" title=\"Nailspiracy Builder Gel\"\u003eBuilder Gel\u003c\/a\u003e for a complete upper form extension workflow.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"NAILSPIRACY","offers":[{"title":"Almond L","offer_id":46770311233750,"sku":"NS-DF-AL","price":17.99,"currency_code":"USD","in_stock":true},{"title":"Almond XL","offer_id":46960177348822,"sku":"NS-DF-AXL","price":17.99,"currency_code":"USD","in_stock":true},{"title":"Square L","offer_id":46770311299286,"sku":"NS-DF-SL","price":17.99,"currency_code":"USD","in_stock":true},{"title":"Square XL","offer_id":46960177381590,"sku":"NS-DF-SXL","price":17.99,"currency_code":"USD","in_stock":true},{"title":"Ballerina L","offer_id":46960177414358,"sku":"NS-DF-BL","price":17.99,"currency_code":"USD","in_stock":true},{"title":"Oval L","offer_id":46960177447126,"sku":"NS-DF-OL","price":17.99,"currency_code":"USD","in_stock":true},{"title":"Multi Shape L","offer_id":46770311266518,"sku":"NS-DF-MSL","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/4654\/9718\/files\/nailspiracy_dual-forms_almond_l_703ba042-2f64-4a45-bf2c-5688dc1f2d60.jpg?v=1788802962","url":"https:\/\/niilspiracy.com\/products\/dual-forms","provider":"Nailspiracy","version":"1.0","type":"link"}