{"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":"\u003cstyle\u003e\n  .mkpbr-adeus {\n    --mkpbr-orange: #ff6b4a;\n    --mkpbr-orange-dark: #e85a37;\n    --mkpbr-black: #111111;\n    --mkpbr-muted: #666666;\n    --mkpbr-soft: #faf9f7;\n    --mkpbr-line: #ececec;\n    --mkpbr-white: #ffffff;\n    color: var(--mkpbr-black);\n    font-family: inherit;\n    font-size: 16px;\n    line-height: 1.65;\n  }\n\n  .mkpbr-adeus *,\n  .mkpbr-adeus *::before,\n  .mkpbr-adeus *::after {\n    box-sizing: border-box;\n  }\n\n  .mkpbr-adeus h2,\n  .mkpbr-adeus h3,\n  .mkpbr-adeus p {\n    margin-top: 0;\n  }\n\n  .mkpbr-adeus h2 {\n    margin-bottom: 14px;\n    color: var(--mkpbr-black);\n    font-size: clamp(24px, 4vw, 34px);\n    line-height: 1.2;\n  }\n\n  .mkpbr-adeus h3 {\n    margin-bottom: 8px;\n    color: var(--mkpbr-black);\n    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0;\n  }\n\n  .mkpbr-adeus__tag {\n    padding: 7px 12px;\n    border: 1px solid var(--mkpbr-line);\n    border-radius: 999px;\n    background: var(--mkpbr-soft);\n    font-size: 14px;\n  }\n\n  .mkpbr-adeus__notice {\n    margin-top: 18px;\n    padding: 16px 18px;\n    border-radius: 12px;\n    background: #fff2ee;\n    color: #552217;\n  }\n\n  .mkpbr-adeus__details {\n    border-top: 1px solid var(--mkpbr-line);\n  }\n\n  .mkpbr-adeus__details details {\n    border-bottom: 1px solid var(--mkpbr-line);\n  }\n\n  .mkpbr-adeus__details summary {\n    position: relative;\n    padding: 18px 42px 18px 0;\n    cursor: pointer;\n    color: var(--mkpbr-black);\n    font-weight: 700;\n    list-style: none;\n  }\n\n  .mkpbr-adeus__details summary::-webkit-details-marker {\n    display: none;\n  }\n\n  .mkpbr-adeus__details summary::after {\n    position: absolute;\n    top: 50%;\n    right: 4px;\n    color: var(--mkpbr-orange);\n    content: \"+\";\n    font-size: 24px;\n    font-weight: 500;\n    transform: translateY(-50%);\n  }\n\n  .mkpbr-adeus__details details[open] summary::after {\n    content: \"\\2212\";\n  }\n\n  .mkpbr-adeus__details-body {\n    padding: 0 36px 18px 0;\n    color: var(--mkpbr-muted);\n  }\n\n  .mkpbr-adeus__details-body p:last-child {\n    margin-bottom: 0;\n  }\n\n  .mkpbr-adeus__disclaimer {\n    margin-top: 28px;\n    padding: 18px;\n    border: 1px solid var(--mkpbr-line);\n    border-radius: 12px;\n    color: var(--mkpbr-muted);\n    font-size: 13px;\n  }\n\n  @media (max-width: 749px) {\n    .mkpbr-adeus__grid,\n    .mkpbr-adeus__steps {\n      grid-template-columns: 1fr;\n    }\n\n    .mkpbr-adeus__section {\n      padding: 28px 0;\n    }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"mkpbr-adeus\"\u003e\n\u003csection class=\"mkpbr-adeus__intro\"\u003e\n\u003ch2\u003eArvensis Professional Hair Acidifier (300ml)\u003c\/h2\u003e\n\u003cp\u003eReset your hair’s health in minutes with the \u003cstrong\u003eArvensis Professional Hair Acidifier (300ml)\u003c\/strong\u003e—a targeted acidifying treatment designed to rebalance hair pH, seal cuticles, and enhance the results of your reconstruction and repair routine.\u003cbr\u003e\u003cbr\u003ePowered by an intelligent blend of Glycolic Acid and Gluconolactone, this acidifier helps restore the ideal pH after chemical services such as coloring, bleaching, and other treatments. By smoothing and sealing the cuticle, it supports stronger, more aligned strands with a visibly shinier finish—often described as a mirror-like shine.\u003cbr\u003e\u003cbr\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\/section\u003e\n\u003csection class=\"mkpbr-adeus__section\"\u003e\n\u003ch2 class=\"mkpbr-adeus__section-title\"\u003eWhy you’ll love it\u003c\/h2\u003e\n\n\u003cdiv class=\"mkpbr-adeus__grid\"\u003e\n\u003cdiv class=\"mkpbr-adeus__card\"\u003e\n\u003ch3\u003eBalances hair pH and seals cuticles\u003c\/h3\u003e\n\u003cp\u003eSupports smoother strands and improved hair alignment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mkpbr-adeus__card\"\u003e\n\u003ch3\u003eBoosts treatment performance\u003c\/h3\u003e\n\u003cp\u003eHelps optimize absorption and results of masks and reconstructors.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mkpbr-adeus__card\"\u003e\n\u003ch3\u003eRestores softness and natural shine\u003c\/h3\u003e\n\u003cp\u003eLeaves hair with a silky feel and high-gloss finish.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mkpbr-adeus__card\"\u003e\n\u003ch3\u003eHelps remove buildup and heavy metals\u003c\/h3\u003e\n\u003cp\u003eImproves hair clarity and reduces dullness caused by residue.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mkpbr-adeus__card\"\u003e\n\u003ch3\u003eIdeal after chemical services\u003c\/h3\u003e\n\u003cp\u003eRecommended for hair that has been colored, bleached, or sensitized.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mkpbr-adeus__card\"\u003e\n\u003ch3\u003eFast-acting professional care\u003c\/h3\u003e\n\u003cp\u003eWorks in just a few minutes, fitting easily into your routine.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"mkpbr-adeus__section\"\u003e\n\u003ch2 class=\"mkpbr-adeus__section-title\"\u003eHow to use\u003c\/h2\u003e\n\u003col class=\"mkpbr-adeus__steps\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eStep 1\u003c\/strong\u003eAfter shampooing, apply to damp hair, section by section.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStep 2\u003c\/strong\u003eMassage gently and leave on for 3–5 minutes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStep 3\u003c\/strong\u003eRinse completely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStep 4\u003c\/strong\u003eFinish with a mask or conditioner if desired.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/section\u003e\n\u003csection class=\"mkpbr-adeus__section\"\u003e\n\u003ch2 class=\"mkpbr-adeus__section-title\"\u003eProduct highlights\u003c\/h2\u003e\n\u003cdiv class=\"mkpbr-adeus__tags\"\u003e\n\u003cspan class=\"mkpbr-adeus__tag\"\u003eGlycolic Acid: Supports pH balance and cuticle sealing for smoother, shinier hair.\u003c\/span\u003e \u003cspan class=\"mkpbr-adeus__tag\"\u003eGluconolactone: Helps rebalance and support hair fiber feel and condition.\u003c\/span\u003e \u003cspan class=\"mkpbr-adeus__tag\"\u003eCoconut Oil: Nourishment and softness support.\u003c\/span\u003e \u003cspan class=\"mkpbr-adeus__tag\"\u003eVegetable Glycerin: Hydration and moisture retention.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mkpbr-adeus__notice\"\u003e\n\u003cstrong\u003eAllergen Warnings:\u003c\/strong\u003e For 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. Arvensis is 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\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"mkpbr-adeus__section\"\u003e\n\u003ch2 class=\"mkpbr-adeus__section-title\"\u003eProduct information\u003c\/h2\u003e\n\u003cdiv class=\"mkpbr-adeus__details\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs an acidifier the same as a reconstructing mask?\u003c\/summary\u003e\n\u003cdiv class=\"mkpbr-adeus__details-body\"\u003e\n\u003cp\u003eNo. An acidifier focuses on pH balance and cuticle sealing, helping treatments work better and improving shine and smoothness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use it every week?\u003c\/summary\u003e\n\u003cdiv class=\"mkpbr-adeus__details-body\"\u003e\n\u003cp\u003eYes—weekly use can be beneficial, especially for porous or chemically treated hair.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo I need to apply a mask after?\u003c\/summary\u003e\n\u003cdiv class=\"mkpbr-adeus__details-body\"\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\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWill it weigh my hair down?\u003c\/summary\u003e\n\u003cdiv class=\"mkpbr-adeus__details-body\"\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\/details\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cdiv class=\"mkpbr-adeus__disclaimer\"\u003e\n\u003cstrong\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-gr\/pages\/disclaimers\"\u003eDisclaimers \u0026amp; Important Information\u003c\/a\u003e.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Arvensis","offers":[{"title":"Default Title","offer_id":52621332709692,"sku":"MKPBR2024-1948","price":20.29,"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-gr\/products\/arvensis-professional-hair-acidifier","provider":"MKPBR - Shine Like a Brazilian","version":"1.0","type":"link"}