{"product_id":"ghk-cu-1-copper-peptide-hair-growth-serum","title":"1.4% GHK-Cu Hair Growth Serum for Hair Loss, Thinning \u0026 Density – 30 mL","description":"\u003cp\u003e\u003cstrong\u003eCopperTheory 1.4% GHK-Cu Hair Growth Serum\u003c\/strong\u003e is a concentrated, fragrance-free, lightweight water-based leave-in scalp serum for adult men and women targeting hair loss, excessive shedding, thinning hair and reduced density across the hairline, temples, crown and centre part.\u003c\/p\u003e\n\u003cp\u003eThe 30 mL formula contains a \u003cstrong\u003e3.4% declared peptide complex\u003c\/strong\u003e, combining \u003cstrong\u003e1.4% Copper Tripeptide-1 (GHK-Cu)\u003c\/strong\u003e with \u003cstrong\u003e2% Acetyl Tetrapeptide-3\u003c\/strong\u003e. It is supported by 2% Red Clover Extract, 2% niacinamide, 1% panthenol, sodium hyaluronate, arginine and allantoin.\u003c\/p\u003e\n\u003cp\u003eProduct-specific clinical and instrumental evaluation recorded \u003cstrong\u003e+32% hair density after 12 weeks\u003c\/strong\u003e, \u003cstrong\u003e−41% scalp buildup after eight weeks\u003c\/strong\u003e and \u003cstrong\u003e+24% strand thickness and strength after 12 weeks\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eGHK-Cu Hair Serum at a Glance\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary targets:\u003c\/strong\u003e hair loss, excessive shedding, thinning hair and reduced density.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication areas:\u003c\/strong\u003e hairline, temples, crown, centre part and other defined thinning zones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGHK-Cu concentration:\u003c\/strong\u003e 1.4% Copper Tripeptide-1.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeclared peptide complex:\u003c\/strong\u003e 3.4% total—1.4% GHK-Cu plus 2% Acetyl Tetrapeptide-3.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e 30 mL fragrance-free water-based leave-in scalp serum.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e lightweight, non-greasy and non-oily.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e once daily on a clean, dry or towel-dried scalp; do not rinse.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e free optional CopperTheory 0.25 mm Micro-Infuse Stamp with a 2.5 mL reservoir.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eClinically Measured Hair Serum Results\u003c\/h2\u003e\n\u003cp\u003eThe CopperTheory Hair \u0026amp; Scalp Serum was evaluated through product-specific clinical and instrumental testing. The recorded outcomes were:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e+32% hair density\u003c\/strong\u003e after 12 weeks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e−41% scalp buildup\u003c\/strong\u003e after eight weeks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e+24% strand thickness and strength\u003c\/strong\u003e after 12 weeks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca href=\"\/en-au\/pages\/hair-serum-results\"\u003eView the complete Hair \u0026amp; Scalp Serum results record\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eParticipant-Reported Results\u003c\/h3\u003e\n\u003cp\u003eParticipant feedback was recorded separately from the measured clinical and instrumental outcomes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e92%\u003c\/strong\u003e reported increased hair density.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e87%\u003c\/strong\u003e reported reduced shedding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e90%\u003c\/strong\u003e reported thicker hair.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese percentages describe participant-reported experiences and are not presented as instrument-measured percentage improvements.\u003c\/p\u003e\n\u003ch2\u003e1.4% GHK-Cu and 3.4% Declared Peptide Complex\u003c\/h2\u003e\n\u003cp\u003eThe formula contains \u003cstrong\u003e1.4% Copper Tripeptide-1\u003c\/strong\u003e, the cosmetic ingredient name for GHK-Cu. It forms the core copper-peptide component of the scalp and hair-density system.\u003c\/p\u003e\n\u003cp\u003eThe serum also contains \u003cstrong\u003e2% Acetyl Tetrapeptide-3\u003c\/strong\u003e. Together, these two peptides create the product's \u003cstrong\u003e3.4% declared peptide complex\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePercentage clarification:\u003c\/strong\u003e the product contains 1.4% GHK-Cu. The 3.4% figure is the combined total of 1.4% GHK-Cu plus 2% Acetyl Tetrapeptide-3. It does not mean the serum contains 3.4% GHK-Cu.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/en-au\/pages\/ghk-cu-concentration-verification\"\u003e\u003cstrong\u003eReview CopperTheory GHK-Cu concentration verification\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eComplete Active Ingredient System\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.4% Copper Tripeptide-1 (GHK-Cu):\u003c\/strong\u003e the hero copper peptide and core of the scalp, follicle and hair-density support system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2% Acetyl Tetrapeptide-3:\u003c\/strong\u003e a density-focused cosmetic peptide supporting the structures surrounding the hair root.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2% Red Clover Extract:\u003c\/strong\u003e botanical support for thinning zones and overall scalp condition.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2% Niacinamide:\u003c\/strong\u003e supports scalp-barrier strength, moisture balance and scalp comfort.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1% Panthenol:\u003c\/strong\u003e conditions the scalp and supports strand moisture, flexibility and strength.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.10% Sodium Hyaluronate:\u003c\/strong\u003e provides lightweight water-binding hydration to the scalp.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.25% Arginine:\u003c\/strong\u003e conditions hair fibres and supports formula pH control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.20% Allantoin:\u003c\/strong\u003e supports scalp comfort and helps calm dry or stressed scalp skin.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlycerin and Butylene Glycol:\u003c\/strong\u003e humectants and formula-supporting solvents that help distribute the serum evenly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLearn more about \u003ca href=\"\/en-au\/pages\/copper-peptides-for-hair\"\u003e\u003cstrong\u003eGHK-Cu copper peptides for hair and scalp care\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat the Hair Growth Serum Targets\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHair loss and excessive shedding\u003c\/li\u003e\n\u003cli\u003eThinning hair and reduced density\u003c\/li\u003e\n\u003cli\u003eSparse or receding hairlines\u003c\/li\u003e\n\u003cli\u003eTemple thinning\u003c\/li\u003e\n\u003cli\u003eCrown thinning and visible scalp\u003c\/li\u003e\n\u003cli\u003eWidening or low-density centre parts\u003c\/li\u003e\n\u003cli\u003eFine, fragile and breakage-prone strands\u003c\/li\u003e\n\u003cli\u003eDry, congested or stressed scalp\u003c\/li\u003e\n\u003cli\u003eScalp buildup around thinning zones\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho It Is For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAdult men and women experiencing hair loss, shedding, thinning hair or reduced density.\u003c\/li\u003e\n\u003cli\u003ePeople targeting the hairline, temples, crown or centre part.\u003c\/li\u003e\n\u003cli\u003ePeople with visibly sparse or low-density scalp areas.\u003c\/li\u003e\n\u003cli\u003eFine, fragile, weak or breakage-prone hair.\u003c\/li\u003e\n\u003cli\u003ePeople seeking a lightweight, fragrance-free alternative to heavy scalp oils.\u003c\/li\u003e\n\u003cli\u003eAll hair textures, including straight, wavy, curly and coily hair.\u003c\/li\u003e\n\u003cli\u003eCustomers prioritising disclosed active percentages, formula verification and product-specific measured results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eExplore the \u003ca href=\"\/en-au\/pages\/hair-loss-density-hub\"\u003e\u003cstrong\u003eCopperTheory Hair Loss, Shedding and Density Hub\u003c\/strong\u003e\u003c\/a\u003e for deeper information on thinning areas, shedding and scalp routines.\u003c\/p\u003e\n\u003ch2\u003eHow to Use GHK-Cu Hair Growth Serum\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eUse once daily, morning or night, on a clean, dry or towel-dried scalp.\u003c\/li\u003e\n\u003cli\u003ePart the hair to expose the hairline, temples, crown, centre part or other target zone.\u003c\/li\u003e\n\u003cli\u003eApply a controlled amount directly to the exposed scalp rather than coating the hair lengths.\u003c\/li\u003e\n\u003cli\u003eMassage gently with clean fingertips until the serum is evenly distributed.\u003c\/li\u003e\n\u003cli\u003eLeave the serum in. Do not rinse.\u003c\/li\u003e\n\u003cli\u003eUse consistently as the final targeted step of the hair and scalp routine.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eHow much to use:\u003c\/strong\u003e apply enough serum to lightly cover the exposed target scalp without saturating the hair. Follow the directions supplied with the product.\u003c\/p\u003e\n\u003ch3\u003eWash-Day and Between-Wash Use\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWash days:\u003c\/strong\u003e cleanse with \u003ca href=\"\/en-au\/products\/ghk-cu-copper-peptide-hair-growth-shampoo\"\u003e\u003cstrong\u003eCopperTheory GHK-Cu Hair Growth Shampoo\u003c\/strong\u003e\u003c\/a\u003e, apply \u003ca href=\"\/en-au\/products\/ghk-cu-copper-peptide-hair-growth-conditioner\"\u003e\u003cstrong\u003eCopperTheory GHK-Cu Hair Growth Conditioner\u003c\/strong\u003e\u003c\/a\u003e through the lengths and ends, towel-dry, then apply the serum directly to the scalp.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBetween washes:\u003c\/strong\u003e apply the serum to a reasonably clean, dry scalp across the same target zones.\u003c\/p\u003e\n\u003ch2\u003eTexture, Finish and Routine Position\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTexture:\u003c\/strong\u003e lightweight and water-based.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e non-greasy and non-oily, without heavy residue.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFragrance:\u003c\/strong\u003e fragrance-free.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e directly to the scalp, not through the hair lengths.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRinse status:\u003c\/strong\u003e leave in; do not rinse.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoutine step:\u003c\/strong\u003e the final targeted scalp-treatment step after cleansing and conditioning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFree CopperTheory Micro-Infuse Stamp Included\u003c\/h2\u003e\n\u003cp\u003eEvery Hair Growth Serum includes a complimentary CopperTheory Micro-Infuse Stamp as an \u003cstrong\u003eoptional precision application tool\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeedles:\u003c\/strong\u003e 24K golden needles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeedle length:\u003c\/strong\u003e 0.25 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReservoir:\u003c\/strong\u003e 2.5 mL.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTarget areas:\u003c\/strong\u003e hairline, temples, crown and centre part.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurpose:\u003c\/strong\u003e controlled and consistent application across defined scalp zones.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe stamp is optional. The serum can be applied normally with clean fingertips.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eClean, sanitise and fully dry the tool before and after use.\u003c\/li\u003e\n\u003cli\u003eUse light, controlled pressure; never force or drag it.\u003c\/li\u003e\n\u003cli\u003eDo not repeatedly overwork the same point.\u003c\/li\u003e\n\u003cli\u003eNever share the tool.\u003c\/li\u003e\n\u003cli\u003eAvoid broken, wounded, irritated, inflamed or infected skin.\u003c\/li\u003e\n\u003cli\u003eStop use if significant pain or bleeding occurs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"\/en-au\/pages\/micro-infuse-stamp-guide\"\u003e\u003cstrong\u003eRead the complete CopperTheory Micro-Infuse Stamp guide\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eFull Ingredients\u003c\/h2\u003e\n\u003cp\u003eAqua, Butylene Glycol, Glycerin, Copper Tripeptide-1, Acetyl Tetrapeptide-3, Trifolium Pratense Flower Extract, Arginine, Panthenol, Niacinamide, Sodium Hyaluronate, Allantoin, 1,2-Hexanediol, p-Hydroxyacetophenone, Xanthan Gum, Disodium EDTA.\u003c\/p\u003e\n\u003ch2\u003eFormula, Testing and Verification\u003c\/h2\u003e\n\u003cp\u003eCopperTheory connects the Hair \u0026amp; Scalp Serum to dedicated records explaining its GHK-Cu concentration, formula documentation and product-specific evidence.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/en-au\/pages\/product-testing-and-verification\"\u003e\u003cstrong\u003eReview CopperTheory product testing and verification\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-au\/pages\/coa-and-testing-faq\"\u003e\u003cstrong\u003eRead the CopperTheory COA and testing FAQ\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eIs CopperTheory Hair Growth Serum designed for hair loss?\u003c\/h3\u003e\n\u003cp\u003eYes. It is designed for adult men and women targeting hair loss, excessive shedding, thinning hair and reduced density across the hairline, temples, crown and centre part.\u003c\/p\u003e\n\u003ch3\u003eWhat percentage of GHK-Cu does the serum contain?\u003c\/h3\u003e\n\u003cp\u003eThe formula contains 1.4% Copper Tripeptide-1, also known as GHK-Cu.\u003c\/p\u003e\n\u003ch3\u003eWhat does the 3.4% peptide complex mean?\u003c\/h3\u003e\n\u003cp\u003eThe 3.4% declared peptide complex is the combined total of 1.4% GHK-Cu and 2% Acetyl Tetrapeptide-3. The serum does not contain 3.4% GHK-Cu.\u003c\/p\u003e\n\u003ch3\u003eDoes the serum contain AHK-Cu?\u003c\/h3\u003e\n\u003cp\u003eNo. The disclosed peptide system contains GHK-Cu and Acetyl Tetrapeptide-3. It is not an AHK-Cu formula.\u003c\/p\u003e\n\u003ch3\u003eWhere should the serum be applied?\u003c\/h3\u003e\n\u003cp\u003eApply it directly to exposed scalp sections, including the hairline, temples, crown, centre part and other defined thinning zones.\u003c\/p\u003e\n\u003ch3\u003eCan it be applied to wet or dry hair?\u003c\/h3\u003e\n\u003cp\u003eApply it to a clean, dry or towel-dried scalp. Part the hair first so the serum reaches the scalp rather than remaining on the hair lengths.\u003c\/p\u003e\n\u003ch3\u003eCan I apply it after showering?\u003c\/h3\u003e\n\u003cp\u003eYes. Towel-dry the scalp, create clear partings and apply the serum directly to the target zones.\u003c\/p\u003e\n\u003ch3\u003eShould the serum be rinsed out?\u003c\/h3\u003e\n\u003cp\u003eNo. It is a leave-in scalp serum and should remain on the scalp after application.\u003c\/p\u003e\n\u003ch3\u003eIs the formula greasy or oily?\u003c\/h3\u003e\n\u003cp\u003eNo. It has a lightweight water-based texture designed to absorb without leaving a heavy oily coating.\u003c\/p\u003e\n\u003ch3\u003eIs it fragrance-free?\u003c\/h3\u003e\n\u003cp\u003eYes. The supplied ingredient list contains no parfum or added fragrance.\u003c\/p\u003e\n\u003ch3\u003eCan men and women use it?\u003c\/h3\u003e\n\u003cp\u003eYes. It is designed for adult men and women and is suitable across hair types and textures.\u003c\/p\u003e\n\u003ch3\u003eHow often should it be used?\u003c\/h3\u003e\n\u003cp\u003eUse it once daily, morning or night, as the final targeted scalp step.\u003c\/p\u003e\n\u003ch3\u003eWhen should results be assessed?\u003c\/h3\u003e\n\u003cp\u003eThe supplied product evaluation measured scalp-buildup outcomes after eight weeks and hair-density, strand-thickness and strength outcomes after 12 weeks.\u003c\/p\u003e\n\u003ch3\u003eDoes it contain minoxidil or finasteride?\u003c\/h3\u003e\n\u003cp\u003eNo. Neither minoxidil nor finasteride appears in the supplied ingredient list.\u003c\/p\u003e\n\u003ch3\u003eCan it be used with the CopperTheory Shampoo and Conditioner?\u003c\/h3\u003e\n\u003cp\u003eYes. Use the Shampoo to cleanse the scalp, apply the Conditioner through the lengths and ends, then apply the Hair Growth Serum as the final targeted leave-in scalp step.\u003c\/p\u003e\n\u003ch3\u003eIs the Micro-Infuse Stamp required?\u003c\/h3\u003e\n\u003cp\u003eNo. The stamp is a complimentary optional precision tool. The serum can be applied directly with clean fingertips.\u003c\/p\u003e\n\u003ch3\u003eHow is CopperTheory different from other GHK-Cu hair serums?\u003c\/h3\u003e\n\u003cp\u003eCopperTheory discloses the exact 1.4% GHK-Cu concentration, explains its 3.4% peptide-complex calculation, lists supporting-active percentages, separates measured outcomes from participant feedback and connects the product to dedicated concentration, testing and results pages.\u003c\/p\u003e\n\u003ch2\u003eComplete the CopperTheory Hair Growth Routine\u003c\/h2\u003e\n\u003cp\u003eChoose the \u003ca href=\"\/en-au\/products\/complete-ghk-cu-hair-care-routine\"\u003e\u003cstrong\u003eComplete 3-Step GHK-Cu Hair Growth Routine\u003c\/strong\u003e\u003c\/a\u003e for the combined Scalp Shampoo, Conditioner and Hair Growth Serum system.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/en-au\/collections\/ghk-cu-hair-scalp-care\"\u003e\u003cstrong\u003eShop all CopperTheory hair and scalp products\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-au\/blogs\/learn\/best-ghk-cu-hair-serum\"\u003e\u003cstrong\u003eRead the Best GHK-Cu Hair Serum selection guide\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eFor external scalp use only. Avoid direct contact with the eyes. Patch test before use. Do not apply to broken, wounded, irritated or infected skin. Individual results may vary.\u003c\/em\u003e\u003c\/p\u003e","brand":"CopperTheory","offers":[{"title":"Default Title","offer_id":49100724994287,"sku":"CT-GHK-HAIR-SERUM-001","price":50.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/5763\/8895\/files\/1.4_GHK-Cu_Hair_Growth_Serum_with_Free_Micro-Infuse_Stamp.png?v=1785823692","url":"https:\/\/shopcoppertheory.com\/en-au\/products\/ghk-cu-1-copper-peptide-hair-growth-serum","provider":"CopperTheory","version":"1.0","type":"link"}