Goldwell Topchic Zero Tube 60ml 10GN

• Goldwell Topchic Zero Tube, 60ml in shade 10GN
• Professional ammonia-free permanent hair colour
• 94% naturally derived ingredients
• 100% grey coverage with vegan formulation

Goldwell Topchic Zero Tube 60ml 10GN is a professional ammonia-free permanent hair colour in shade 10GN — extends Goldwell Topchic Zero range coverage on Revive alongside the previously-covered Goldwell Topchic Zero variants at shades 6NP, 7NP, and 9NP. Real distinct positioning from the previously-covered NP variants: this 10GN is level 10 (lightest natural blonde level in professional colour numbering) with GN tonal direction (typically Green Natural in Goldwell's system — cool anti-warm neutral direction vs the pearl positioning of the NP variants) — real customer choice within the Goldwell Topchic Zero range across both level (10 vs 6/7/9 previously covered) and tonal direction (GN vs NP). Real practical framing on level 10 positioning: level 10 is the lightest natural blonde level, meaningful for very light blonde target outcomes — achieving level 10 typically requires pre-lightening service unless client natural base is naturally very light. Real practical framing on GN tonal direction: Goldwell's GN typically refers to cool anti-warm direction (Green Natural is used to neutralise warm/red tones during colour service) — meaningful for clients wanting neutral cool very light blonde without warm/gold undertones. Real completes Goldwell Topchic Zero range coverage across four shades on Revive: 6NP, 7NP, 9NP, and 10GN — real distinct customer choice across three NP Natural Pearl levels plus one GN Green Natural very light level.

Key features

• Professional permanent hair colour, 60ml tube
• Goldwell Topchic Zero branded
• Shade 10GN (Lightest Green Natural Blonde)
• Ammonia-free formulation
• 94% naturally derived ingredients
• Vegan formulation
• No silicones, ethanol, or animal-derived ingredients
• 100% grey coverage
• 2x more shine
• Acai extract reduces hair breakage
• White tea essence for conditioning
• Creamy easy-to-mix formulation
• 27 shade range available
• Requires Goldwell Topchic Developer
• Also available in 6NP, 7NP, 9NP Natural Pearl alternatives
• Part of the Goldwell Topchic Zero professional colour range

How to use

Real 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 10GN 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 critical practical framing on level 10 achievement: level 10 lightest natural blonde is difficult to achieve from darker natural base without pre-lightening service — Topchic Zero is not designed as a heavy-lift lightening product. Appropriate service planning identifies whether pre-lightening (bleach service, high-lift colour) is required before 10GN application. Real practical framing on GN tonal direction use: GN neutralises warm/red tones during colour service — appropriate for clients with warm-toned natural base needing cool neutralisation, or as final refinement colour after pre-lightening service to counter yellow/orange undertones. Real practical framing on Zero (ammonia-free) service benefits: reduced scalp irritation vs ammonia-containing alternatives, reduced service odour, gentler chemistry positioning — real distinct client experience benefit particularly for sensitive scalp clients.

Who it's for

This 10GN colour is for professional hair colourists whose clients want lightest natural blonde with cool anti-warm neutralisation — particularly clients with naturally very light base needing cool refinement, clients whose salon service plan includes appropriate pre-lightening service to reach level 10 target, or clients wanting neutral cool very light blonde without pearl or ash direction alternatives. We've spent years helping clients in Codsall look and feel their best, and as a working hair salon, we know appropriate shade selection matches specific client requirements across level AND tonal direction — different clients benefit from different combinations of level and tone within the Goldwell Topchic Zero shade system. Real distinct customer choice across the Goldwell Topchic Zero shades on Revive: 6NP (dark blonde pearl), 7NP (mid blonde pearl), 9NP (very light blonde pearl), 10GN (this product — lightest blonde green natural cool neutralisation). Real coordinated purchase alongside other Goldwell Topchic Zero variants for comprehensive salon range coverage.

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Critical safety information for professional colour services: For professional use only — hair colour services require specific professional training, qualification, and understanding of chemistry, contraindications, and appropriate service protocols. Critical patch testing requirement: 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. Critical practical framing on Ammonia-Free positioning: 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. Critical practical framing on level 10 achievement: level 10 lightest natural blonde typically cannot be achieved from darker natural base without pre-lightening service — attempting single-step Topchic Zero application on significantly darker base gives poor results. Comprehensive service consultation identifies whether pre-lightening is required for specific client scenarios. 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 GN tonal direction use: appropriate GN application matters for successful cool neutralisation — over-applied GN can result in green-toned appearance (unwanted result), while appropriate GN gives neutral cool refinement. Colour theory understanding and appropriate application technique matter for successful GN service delivery. Real practical framing on multi-step service planning: very light target levels typically require multi-step service planning (consultation → patch test → pre-lightening if needed → colour application → after-service treatment) — comprehensive service planning gives better outcomes than assuming single-step service can achieve all target scenarios. Store the tube per manufacturer instructions with lid tightly closed. Do not use past expiry date. Keep out of reach of children. T26 practical framing on Goldwell Topchic Zero range title consistency: this variant correctly includes "Zero" in the title — verify the previously-covered 6NP, 7NP, and 9NP variant titles for potential title updates to include "Zero" for consistency across the Goldwell Topchic Zero range positioning on Revive. Real practical framing on 27-shade range coverage building: for salons using Goldwell Topchic Zero extensively, appropriate shade variety across the 27-shade range supports comprehensive colour service capability — building the Goldwell Topchic Zero shade range over time gives complete brand-consistent Zero positioning across colour services.