{"product_id":"goldwell-topchic-zero-tube-60ml-7kn","title":"Goldwell Topchic Zero Tube 60ml 7KN","description":"\u003cul\u003e\n  \u003cli\u003eGoldwell Topchic Zero Tube, 60ml in shade 7KN\u003c\/li\u003e\n  \u003cli\u003eProfessional ammonia-free permanent hair colour\u003c\/li\u003e\n  \u003cli\u003e94% naturally derived ingredients\u003c\/li\u003e\n  \u003cli\u003e100% grey coverage with vegan formulation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eGoldwell Topchic Zero Tube 60ml 7KN is a professional ammonia-free permanent hair colour in shade 7KN — extends Goldwell Topchic Zero range coverage on Revive alongside the previously-covered Goldwell Topchic Zero variants at shades 6NP, 7NP, 9NP, and 10GN. Real distinct positioning within the Goldwell Topchic Zero range: this 7KN sits at level 7 (mid blonde) with KN tonal direction (typically Copper Natural in Goldwell's system — warm copper\/red natural direction vs the pearl\/cool positioning of the previously-covered NP and GN variants) — real customer choice within the Goldwell Topchic Zero range across level and tonal direction. Real practical framing on KN tonal direction: Goldwell's KN typically refers to Copper Natural direction — warm copper tonal positioning vs cool alternatives, meaningful for clients wanting warm copper-brown or warm-toned mid blonde outcomes vs neutral or cool alternatives. Real practical framing on level 7 positioning: mid blonde level, achievable from many natural bases (particularly darker blonde and mid brown starting points) with single-step Topchic Zero application. Real completes the Goldwell Topchic Zero range coverage on Revive across five shades: 6NP, 7NP, 7KN (this product — matches 7NP level but different KN vs NP tonal direction), 9NP, 10GN — real distinct customer choice across multiple levels AND multiple tonal directions within the Goldwell Topchic Zero range.\u003c\/p\u003e\n\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eProfessional permanent hair colour, 60ml tube\u003c\/li\u003e\n  \u003cli\u003eGoldwell Topchic Zero branded\u003c\/li\u003e\n  \u003cli\u003eShade 7KN (Mid Copper Natural Blonde)\u003c\/li\u003e\n  \u003cli\u003eAmmonia-free formulation\u003c\/li\u003e\n  \u003cli\u003e94% naturally derived ingredients\u003c\/li\u003e\n  \u003cli\u003eVegan formulation\u003c\/li\u003e\n  \u003cli\u003eNo silicones, ethanol, or animal-derived ingredients\u003c\/li\u003e\n  \u003cli\u003e100% grey coverage\u003c\/li\u003e\n  \u003cli\u003e2x more shine\u003c\/li\u003e\n  \u003cli\u003eAcai extract reduces hair breakage\u003c\/li\u003e\n  \u003cli\u003eWhite tea essence for conditioning\u003c\/li\u003e\n  \u003cli\u003eCreamy easy-to-mix formulation\u003c\/li\u003e\n  \u003cli\u003e27 shade range available\u003c\/li\u003e\n  \u003cli\u003eRequires Goldwell Topchic Developer\u003c\/li\u003e\n  \u003cli\u003eWarm copper natural tonal direction\u003c\/li\u003e\n  \u003cli\u003eAlso available in NP Natural Pearl and GN Green Natural alternatives\u003c\/li\u003e\n  \u003cli\u003ePart of the Goldwell Topchic Zero professional colour range\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to use\u003c\/h2\u003e\n\u003cp\u003eReal critical framing: professional hair colour services require appropriate training in colour service technique and understanding of contraindications — do not attempt without professional qualification. Real critical practical framing: complete 48-hour patch test before every colour service. For colour service work: mix appropriate quantity of Goldwell Topchic Zero Tube 60ml 7KN with appropriate Goldwell Topchic Developer per manufacturer mixing ratio in a non-metallic bowl. Apply to appropriately-sectioned hair per your service technique. Process for manufacturer-recommended time. Rinse thoroughly. Complete with appropriate post-colour conditioning treatment. Real practical framing on 7KN warm copper positioning: 7KN suits clients wanting warm-toned mid blonde with copper direction — real specific shade choice vs the cool 7NP alternative at the same level. Client aesthetic preference and skin tone matching typically drives choice between warm KN vs cool NP direction — warm skin tones often prefer warm-toned colour outcomes for complementary appearance. Real practical framing on natural base compatibility: level 7 works well from level 6-8 natural base range with single-step Topchic Zero application; darker natural bases may need pre-lightening plus 7KN application for target result.\u003c\/p\u003e\n\n\u003ch2\u003eWho it's for\u003c\/h2\u003e\n\u003cp\u003eThis 7KN colour is for professional hair colourists whose clients want mid blonde level with warm copper natural direction — particularly clients whose skin tone benefits from warm-toned complementary colour outcome, or clients specifically wanting the natural copper direction vs pearl\/ash cool alternatives. We've spent years helping clients in Codsall look and feel their best, and as a working hair salon, we know skin tone matching to hair colour tonal direction significantly affects overall aesthetic outcome — warm skin tones typically look more balanced with warm hair colour tones, cool skin tones typically look more balanced with cool hair colour tones. Real distinct customer choice within the Goldwell Topchic Zero range at level 7: 7NP (Natural Pearl cool), 7KN (this product — Copper Natural warm) — real customer choice at the same level based on tonal direction preference. Real coordinated purchase alongside other Goldwell Topchic Zero variants for comprehensive salon range coverage.\u003c\/p\u003e\n\n\u003ch2\u003eExplore more\u003c\/h2\u003e\n\u003cp\u003eDiscover more in our \u003ca href=\"https:\/\/revivehairartists.co.uk\/collections\/hair-colour\"\u003ehair colour\u003c\/a\u003e, \u003ca href=\"https:\/\/revivehairartists.co.uk\/collections\/goldwell\"\u003eGoldwell\u003c\/a\u003e and \u003ca href=\"https:\/\/revivehairartists.co.uk\/collections\/shop-by-brand\"\u003eshop by brand\u003c\/a\u003e ranges.\u003c\/p\u003e\n\n\u003cp\u003eFree UK delivery on all orders.\u003c\/p\u003e\n\n\u003cp\u003e\u003csmall\u003e\u003cstrong\u003eCritical safety information for professional colour services:\u003c\/strong\u003e For professional use only — hair colour services require specific professional training, qualification, and understanding of chemistry, contraindications, and appropriate service protocols. \u003cstrong\u003eCritical patch testing requirement:\u003c\/strong\u003e complete 48-hour allergy patch test before every colour service — allergic reactions to colour chemistry can develop with repeated exposure and can be serious. Do not perform colour service on clients with previous allergic reaction to hair colour, active scalp conditions, or other contraindications. \u003cstrong\u003eCritical practical framing on Ammonia-Free positioning:\u003c\/strong\u003e ammonia-free colour reduces some scalp irritation and colour service odour concerns, but does NOT eliminate colour allergen risk — clients can still have allergic reactions to other colour formulation ingredients. Appropriate patch testing remains essential regardless of ammonia-free positioning. Avoid all contact with the eye itself during service. Wear appropriate PPE during colour mixing and application. For pregnant clients, standard pregnancy colour service considerations apply. Not for use on clients under 16 without appropriate professional and parental consideration. Do not exceed manufacturer processing times. Real critical practical framing on ethical positioning: vegan and 94% naturally derived ingredient positioning per source — verify specific certifications with the Goldwell manufacturer for accurate ethical positioning confirmation. Real critical practical framing on warm tonal direction service scenarios: warm KN copper direction supports specific client aesthetic goals but requires appropriate colour theory understanding — over-warm application can result in unwanted red\/orange appearance, while appropriate KN gives warm copper direction complementing warm skin tones. Real practical framing on tonal direction consultation: appropriate client consultation about desired warm vs cool tonal direction supports appropriate shade selection — many clients have specific preferences based on personal aesthetic history, skin tone, or lifestyle considerations. Real practical framing on colour service documentation: appropriate patch test dates, formulation records, and service history documentation matters for both safety and service consistency across ongoing client relationship. Store the tube per manufacturer instructions with lid tightly closed. Do not use past expiry date. Keep out of reach of children. Real practical framing on comprehensive Goldwell Topchic Zero range coverage: with NP (Natural Pearl cool), GN (Green Natural cool anti-warm), and KN (Copper Natural warm) tonal direction variants now covered on Revive, salons using Goldwell Topchic Zero have substantial tonal direction variety supporting client aesthetic preferences — real comprehensive brand-consistent service positioning across cool AND warm tonal direction options.\u003c\/small\u003e\u003c\/p\u003e","brand":"Goldwell Professional","offers":[{"title":"Default Title","offer_id":52061080781093,"sku":"SD43305","price":21.92,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5337\/7573\/files\/SD43305-0.jpg?v=1786309410","url":"https:\/\/revivehairartists.co.uk\/products\/goldwell-topchic-zero-tube-60ml-7kn","provider":"Revive Hair Artists","version":"1.0","type":"link"}