{"product_id":"arvensis-professional-hair-acidifier","title":"Arvensis Professional Hair Acidifier (Acidifying Treatment) – pH Balance, Sealed Cuticles \u0026 Mirror Shine (10.14 fl oz \/ 300ml)","description":"\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cp\u003eReset your hair’s health in minutes with the \u003cstrong\u003e\u003cspan class=\"font-semibold\"\u003eArvensis Professional Hair Acidifier (300ml)\u003c\/span\u003e\u003c\/strong\u003e—a targeted acidifying treatment designed to \u003cspan class=\"font-semibold\"\u003erebalance hair pH\u003c\/span\u003e, \u003cspan class=\"font-semibold\"\u003eseal cuticles\u003c\/span\u003e, and enhance the results of your reconstruction and repair routine.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cp\u003ePowered by an intelligent blend of \u003cspan class=\"font-semibold\"\u003eGlycolic Acid\u003c\/span\u003e and \u003cspan class=\"font-semibold\"\u003eGluconolactone\u003c\/span\u003e, this acidifier helps restore the ideal pH after chemical services such as \u003cspan class=\"font-semibold\"\u003ecoloring, bleaching, and other treatments\u003c\/span\u003e. By smoothing and sealing the cuticle, it supports \u003cspan class=\"font-semibold\"\u003estronger, more aligned strands\u003c\/span\u003e with a visibly shinier finish—often described as a \u003cspan class=\"font-semibold\"\u003emirror-like shine\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003eIdeal for chemically treated, sensitized, or highly porous hair, the Arvensis Acidifier is a professional-grade solution for anyone seeking smoother hair, better treatment performance, and long-lasting shine.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 data-start=\"366\" data-end=\"383\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"385\" data-end=\"1181\"\u003e\u003c\/ul\u003e\n\u003cdiv class=\"hide-scrollbar markdown prose relative w-full max-w-none overflow-x-scroll break-words text-base leading-7 first:mt-0 prose-headings:first:mt-0 prose-strong:font-bold prose-thead:font-bold light:text-[#3E4247] dark:text-[#EBEBEB] prose-headings:light:text-[#3E4247]\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cul class=\"ml-1 list-outside list-disc\"\u003e\n\u003cli class=\"py-0\"\u003e\n\u003cspan class=\"font-semibold\"\u003e\u003cstrong\u003eBalances hair pH and seals cuticles\u003c\/strong\u003e:\u003c\/span\u003e Supports smoother strands and improved hair alignment.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003e\n\u003cspan class=\"font-semibold\"\u003e\u003cstrong\u003eBoosts treatment performance\u003c\/strong\u003e:\u003c\/span\u003e Helps optimize absorption and results of masks and reconstructors.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003e\n\u003cspan class=\"font-semibold\"\u003e\u003cstrong\u003eRestores softness and natural shine\u003c\/strong\u003e:\u003c\/span\u003e Leaves hair with a silky feel and high-gloss finish.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003e\n\u003cspan class=\"font-semibold\"\u003e\u003cstrong\u003eHelps remove buildup and heavy metals\u003c\/strong\u003e:\u003c\/span\u003e Improves hair clarity and reduces dullness caused by residue.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003e\n\u003cspan class=\"font-semibold\"\u003e\u003cstrong\u003eIdeal after chemical services\u003c\/strong\u003e:\u003c\/span\u003e Recommended for hair that has been colored, bleached, or sensitized.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003e\n\u003cspan class=\"font-semibold\"\u003e\u003cstrong\u003eFast-acting professional care\u003c\/strong\u003e:\u003c\/span\u003e Works in just a few minutes, fitting easily into your routine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"mx-auto mt-3 mb-2 w-full max-w-3xl\"\u003e\n\u003ch3 class=\"text-xl font-semibold\"\u003eHow to Use\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003col class=\"ml-1 list-outside list-decimal\"\u003e\n\u003cli class=\"py-0\"\u003eAfter shampooing, apply to \u003cspan class=\"font-semibold\"\u003edamp hair\u003c\/span\u003e, section by section.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003eMassage gently and leave on for \u003cspan class=\"font-semibold\"\u003e3–5 minutes\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003eRinse completely.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003eFinish with a \u003cspan class=\"font-semibold\"\u003emask or conditioner\u003c\/span\u003e if desired.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 data-start=\"1183\" data-end=\"1199\"\u003eIngredients:\u003c\/h3\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cul class=\"ml-1 list-outside list-disc\"\u003e\n\u003cli class=\"py-0\"\u003e\n\u003cspan class=\"font-semibold\"\u003e\u003cstrong\u003eGlycolic Acid\u003c\/strong\u003e:\u003c\/span\u003e Supports pH balance and cuticle sealing for smoother, shinier hair.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003e\n\u003cspan class=\"font-semibold\"\u003e\u003cstrong\u003eGluconolactone\u003c\/strong\u003e:\u003c\/span\u003e Helps rebalance and support hair fiber feel and condition.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003e\n\u003cspan class=\"font-semibold\"\u003e\u003cstrong\u003eCoconut Oil\u003c\/strong\u003e:\u003c\/span\u003e Nourishment and softness support.\u003c\/li\u003e\n\u003cli class=\"py-0\"\u003e\n\u003cspan class=\"font-semibold\"\u003e\u003cstrong\u003eVegetable Glycerin\u003c\/strong\u003e:\u003c\/span\u003e Hydration and moisture retention.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp data-start=\"1362\" data-end=\"1384\"\u003e\u003cstrong data-start=\"1362\" data-end=\"1384\"\u003eAllergen Warnings:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1386\" data-end=\"1499\"\u003eFor external use only. Keep out of reach of children. If irritation occurs, discontinue use. Store in a cool place, away from direct sunlight. Avoid contact with eyes; if contact occurs, rinse thoroughly with water.\u003c\/p\u003e\n\u003cp data-start=\"1525\" data-end=\"1793\"\u003e\u003cstrong\u003eArvensis \u003c\/strong\u003eis a Brazilian cosmetics brand dedicated to creating natural, high-performance products that promote beauty, health, and sustainability. Their commitment to quality and environmental responsibility ensures that each product is both effective and eco-friendly.\u003c\/p\u003e\n\u003ch3 data-start=\"1525\" data-end=\"1793\"\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"font-semibold\"\u003eIs an acidifier the same as a reconstructing mask?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. An acidifier focuses on \u003cspan class=\"font-semibold\"\u003epH balance and cuticle sealing\u003c\/span\u003e, helping treatments work better and improving shine and smoothness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"font-semibold\"\u003eCan I use it every week?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes—weekly use can be beneficial, especially for porous or chemically treated hair.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"font-semibold\"\u003eDo I need to apply a mask after?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt’s optional, but recommended if your goal is maximum softness and treatment performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"size-full [\u0026amp;\u0026gt;*:first-child]:mt-0 [\u0026amp;\u0026gt;*:last-child]:mb-0 space-y-2\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"font-semibold\"\u003eWill it weigh my hair down?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is designed as a treatment step and is rinsed out, so it should not weigh hair down when used as directed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eDiscover more curated selections for your natural hair journey and explore our \u003ca rel=\"noopener\" href=\"https:\/\/mkpbr.com\/collections\/arvensis-professional\" target=\"_blank\"\u003eArvensis Collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eBalance pH, seal the cuticle, and reveal mirror shine—add the Arvensis Professional Hair Acidifier to your routine.\u003c\/h3\u003e\n\u003cdiv style=\"margin-top: 18px; background: #F6F7FB; border: 1px solid #E7E9F3; border-radius: 14px; padding: 12px; color: rgba(20,32,62,.74); font-size: 12.5px; line-height: 1.6; max-width: 100%; box-sizing: border-box; overflow: hidden;\"\u003e\n\u003cstrong style=\"color: #14203e;\"\u003eDisclaimer:\u003c\/strong\u003e For external use only. Patch test before use and discontinue use if irritation occurs. Individual results may vary. Product packaging may be labeled in Portuguese. Our Brazilian-brand products are sourced in Brazil and are regularized with ANVISA (Agência Nacional de Vigilância Sanitária), Brazil's national health authority, under the applicable regulatory framework for each product category. ANVISA regularization applies to the Brazilian market and is not equivalent to U.S. FDA approval. See our full \u003ca href=\"\/en-ie\/pages\/disclaimers\" style=\"color: rgba(20,32,62,.74); text-decoration: underline;\"\u003eDisclaimers \u0026amp; Important Information\u003c\/a\u003e.\u003c\/div\u003e","brand":"Arvensis","offers":[{"title":"Default Title","offer_id":52621332709692,"sku":"MKPBR2024-1948","price":29.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0090\/2840\/3278\/files\/arvensis-professional-hair-acidifier-300ml-mkpbr.com-worldwide-shipping_59c959e1-763e-481f-805a-c9063586848f.png?v=1784473559","url":"https:\/\/mkpbr.com\/en-ie\/products\/arvensis-professional-hair-acidifier","provider":"MKPBR - Shine Like a Brazilian","version":"1.0","type":"link"}