{"product_id":"decorte-aq-boosting-treatment-hair-serum-200ml","title":"DECORTÉ AQ Boosting Treatment Hair Serum 200ml | Japan","description":"\u003c!-- DECORTÉ AQ Boosting Treatment Hair Serum 200ml — EN listing --\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!-- Generated: 2026-05-08 | Agent: Product Onboarding v1.1 --\u003e\n\u003ch1\u003eDECORTÉ AQ Boosting Treatment Hair Serum — Luxury Japanese Hair Repair Serum 200ml\u003c\/h1\u003e\n\u003cdiv class=\"product-short-description\"\u003e\n\u003cp\u003eA prestige booster-essence (導入美容液) for hair from DECORTÉ's iconic AQ skincare line — now reimagined for hair. Formulated with Birch Tree Sap and exclusive Mucina Gigantea flower extract, this serum wraps each strand in a moisture-rich film, visibly reducing breakage and frizz after a single use. Awarded \u003cstrong\u003e@cosme Best Cosmetics 2025 #1 Hair Treatment\u003c\/strong\u003e. Shipped directly from Kobe, Japan.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntense moisture restoration\u003c\/strong\u003e — Birch Tree Sap (natural humectant) delivers deep hydration to dry, brittle strands, improving elasticity from the inside out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreakage prevention\u003c\/strong\u003e — Polyquaternium-51 forms a protective film along the hair shaft, reducing mechanical damage from brushing, heat styling, and friction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrizz control and shine enhancement\u003c\/strong\u003e — Mucina Gigantea flower extract smooths the cuticle layer for a glossy, polished finish that lasts through the day.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrestige formula in the spirit of DECORTÉ AQ\u003c\/strong\u003e — Gentle enough for color-treated, permed, and chemically processed hair; designed with delicate scalp areas in mind.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensory luxury experience\u003c\/strong\u003e — Rich, creamy texture with DECORTÉ's signature AQ fragrance transforms your weekly shower into a salon-level ritual.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eDECORTÉ (コーセー コスメデコルテ)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Name (JP)\u003c\/th\u003e\n\u003ctd\u003eコスメデコルテ AQ ブースティング トリートメント ヘア セラム\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003ctd\u003e200ml\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eBooster essence (導入美容液) for hair — applied between shampoo and conditioner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHair Types\u003c\/th\u003e\n\u003ctd\u003eAll hair types; especially suited for dry, damaged, color-treated hair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency\u003c\/th\u003e\n\u003ctd\u003e2–3 times per week (or as needed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e@cosme Award\u003c\/th\u003e\n\u003ctd\u003eBest Cosmetics 2025 — #1 Hair Treatment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eWho Is This For?\u003c\/h2\u003e\n\u003cp\u003eThis serum is ideal for anyone who wants a noticeable improvement in hair softness and shine without a heavy, weighed-down feeling. It's particularly well-suited for women with color-treated or heat-damaged hair, for those experiencing frizz in humidity-heavy climates, and for beauty enthusiasts who appreciate the craftsmanship of Japanese prestige skincare applied to hair care. If you already love DECORTÉ's AQ skincare line, this is a natural extension of that ritual into your haircare routine.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eHow To Use\u003c\/h2\u003e\n\u003cp\u003eThis serum works as a \u003cstrong\u003ebooster essence\u003c\/strong\u003e — applied \u003cstrong\u003ebetween shampoo and conditioner\u003c\/strong\u003e. The serum itself is not rinsed directly; your regular conditioner layers over it, and everything rinses out together.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eAfter shampooing, gently squeeze excess water from your hair.\u003c\/li\u003e\n\u003cli\u003eApply 1–2 pumps (4 for medium-length hair) to damaged areas — mid-lengths and ends. Avoid the scalp.\u003c\/li\u003e\n\u003cli\u003eWork the serum through with your fingers for even coverage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo not rinse.\u003c\/strong\u003e Immediately layer your regular conditioner or hair mask on top.\u003c\/li\u003e\n\u003cli\u003eLeave for 2–3 minutes.\u003c\/li\u003e\n\u003cli\u003eRinse thoroughly with lukewarm water — serum and conditioner together.\u003c\/li\u003e\n\u003cli\u003eProceed with your usual drying and styling routine.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eUse 2–3 times per week.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFull Ingredients\u003c\/h2\u003e\n\u003cp\u003eWater, Cetearyl Alcohol, Behentrimonium Chloride, Glycerin, Birch Tree Sap (Betula Alba Juice), Birch Bark Extract (Betula Alba Bark Extract), Mucina Gigantea Flower Extract, Polyquaternium-51, Cyclopentasiloxane, Dimethicone, Phenoxyethanol, Methylparaben, Fragrance (Parfum).\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: Full INCI list to be confirmed from supplier documentation. Above list based on brand and retailer sources; verify before publishing.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCautions \u0026amp; Warnings\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFor external use on hair only. Do not apply to scalp if sensitive; avoid direct contact with eyes.\u003c\/li\u003e\n\u003cli\u003eIf irritation or redness occurs, discontinue use and consult a dermatologist.\u003c\/li\u003e\n\u003cli\u003eKeep out of reach of children.\u003c\/li\u003e\n\u003cli\u003eStore away from direct sunlight and extreme temperatures.\u003c\/li\u003e\n\u003cli\u003eContains fragrance (Parfum) — not suitable for those with fragrance allergies.\u003c\/li\u003e\n\u003cli\u003eContains Methylparaben — check suitability if avoiding parabens.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × DECORTÉ AQ Boosting Treatment Hair Serum, 200ml pump bottle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eShipping \u0026amp; Store Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eShips directly from Japan.\u003c\/li\u003e\n\u003cli\u003eProcessing time: 2–6 business days.\u003c\/li\u003e\n\u003cli\u003eTracking number provided after dispatch.\u003c\/li\u003e\n\u003cli\u003eImport duties and taxes may apply depending on destination country.\u003c\/li\u003e\n\u003cli\u003eOpened cosmetics and supplements cannot be returned for hygiene and safety reasons.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eAuthenticity Guarantee\u003c\/h2\u003e\n\u003cp\u003eAll DECORTÉ products sold at Tsujimoto Market are 100% authentic, sourced directly from authorized Japanese distributors. We ship from Kobe, Japan — no parallel imports, no counterfeits. Every order comes with a satisfaction guarantee.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eIs this a rinse-off or leave-in treatment?\u003c\/h3\u003e\n\u003cp\u003eIt is a booster essence — applied between shampoo and conditioner. The serum itself is not rinsed directly; your regular conditioner layers over it, and everything rinses together with lukewarm water. It is not a leave-in (it does not stay on dry hair).\u003c\/p\u003e\n\u003ch3\u003eCan I use it every day?\u003c\/h3\u003e\n\u003cp\u003eYes, it is gentle enough for daily use. For best results, use 2–3 times per week as an intensive treatment. Daily use is fine for maintenance and softness.\u003c\/p\u003e\n\u003ch3\u003eIs it suitable for color-treated hair?\u003c\/h3\u003e\n\u003cp\u003eYes. DECORTÉ formulated this serum to be safe for color-treated, permed, and chemically processed hair without stripping color.\u003c\/p\u003e\n\u003ch3\u003eDoes it weigh hair down?\u003c\/h3\u003e\n\u003cp\u003eThe serum-like texture is designed to be lightweight. Apply primarily to mid-lengths and ends to avoid buildup near the roots.\u003c\/p\u003e\n\u003ch3\u003eWhat does it smell like?\u003c\/h3\u003e\n\u003cp\u003eIt carries the signature DECORTÉ AQ fragrance — refined, elegant, and subtly floral. The scent lingers gently after rinsing.\u003c\/p\u003e\n\u003ch3\u003eIs it cruelty-free?\u003c\/h3\u003e\n\u003cp\u003eDECORTÉ products are sold in Japan where animal testing is not required for cosmetics. However, DECORTÉ is a brand under KOSÉ Corporation; please check KOSÉ's current cruelty-free policy for full details.\u003c\/p\u003e","brand":"DECORTÉ","offers":[{"title":"Default Title","offer_id":46894559101103,"sku":"DECORTÉ Hair Serum","price":7600.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0597\/7561\/5151\/files\/1_c217e6b4-21ca-4f86-9d5f-7b7c50c8b3cf.png?v=1778652809","url":"https:\/\/tsujimotomarket.com\/products\/decorte-aq-boosting-treatment-hair-serum-200ml","provider":"Tsujimoto Market","version":"1.0","type":"link"}