{"product_id":"silk-serum-base","title":"Silky Serum Base - mix with 30-90% water to adjust skin feel","description":"\u003cp\u003e\u003cstrong\u003eSilky Serum Base\u003c\/strong\u003e is a ready-to-use base for making your own lightweight facial serums. It has a silky, almost weightless slip and absorbs within seconds, leaving a soft, smooth, non-greasy finish — ideal for face and delicate eye-area serums.\u003c\/p\u003e\n\u003cp\u003eThe base does the hard work of texture and skin-feel for you. Simply blend it with water and your chosen water-soluble actives to build a custom serum in minutes — no heating and no special equipment required.\u003c\/p\u003e\n\u003ch4\u003eSuggested use\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eUse the base at anywhere from roughly \u003cstrong\u003e30% up to 90%\u003c\/strong\u003e of your formula, with water and water-soluble actives making up the balance — more base for a richer, cushioned serum, less for a lighter, more fluid one.\u003c\/li\u003e\n\u003cli\u003eAdd water-soluble actives (such as niacinamide, panthenol, hyaluronic acid, glycerine or botanical extracts) at their recommended use levels.\u003c\/li\u003e\n\u003cli\u003eSuitable for leave-on facial and eye-area serums.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eMixing advice\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold process:\u003c\/strong\u003e No heating needed. Weigh the base into a clean beaker, then add your water\/active phase gradually while stirring gently until uniform.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDissolve powders first:\u003c\/strong\u003e Pre-dissolve any powdered actives (e.g. niacinamide) into the water portion before combining, to avoid grittiness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMind the preservative:\u003c\/strong\u003e Adding water dilutes any preservative already in the base, so include a suitable broad-spectrum preservative in the water you add — essential for anything kept longer than a day or two.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck the pH:\u003c\/strong\u003e Some actives (certain vitamin C forms, acids) need a specific pH to work and stay stable — adjust the finished serum to suit the active you're using.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeep it clean:\u003c\/strong\u003e Use sanitised equipment and containers, and always patch-test the finished serum before regular use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eHandling \u0026amp; storage\u003c\/h4\u003e\n\u003cp\u003eStore in a cool, dry place out of direct sunlight, with the container tightly closed. For cosmetic manufacture and DIY skincare use.\u003c\/p\u003e","brand":"The Sourcery","offers":[{"title":"100ml","offer_id":52516175085848,"sku":"SILKSERUMBASE-100ML","price":31.6,"currency_code":"NZD","in_stock":false},{"title":"500ml","offer_id":52516175118616,"sku":"SILKSERUMBASE-500ML","price":90.2,"currency_code":"NZD","in_stock":false},{"title":"1L","offer_id":52516175151384,"sku":"SILKSERUMBASE-1L","price":167.0,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/1773\/0328\/files\/remove-any-text-on-this.png?v=1786934388","url":"https:\/\/thesourcery.co.nz\/products\/silk-serum-base","provider":"The Sourcery","version":"1.0","type":"link"}