{"product_id":"kerastase-premiere-strengthening-pre-shampoo-shampoo-mask-set-full-size-citric-acid-decalcifying","title":"KÉRASTASE Première Strengthening Pre-Shampoo, Shampoo \u0026 Mask Set — Full-Size, Citric Acid Decalcifying","description":"\u003cp\u003e\u003cstrong\u003eKÉRASTASE Première Strengthening Pre-Shampoo, Shampoo, and Mask Set is a targeted three-step regimen that removes calcium buildup and reconnects keratin bonds to visibly reduce breakage and smooth damaged hair.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis limited-edition full-size collection combines a pre-shampoo treatment, reinforcing shampoo, and restorative mask to address two common causes of hair weakening: mineral (calcium) buildup and disrupted keratin links. Formulated with citric acid to decalcify residues and glycine to help reconnect broken keratin chains, the system aims to hydrate, strengthen, and add visible shine across all types of damaged hair. The routine is designed for regular use and works from the core of the fiber outward to improve manageability and reduce split ends over time.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the pre-shampoo step improve hair strength?\u003c\/h3\u003e\n\u003cp\u003eThe pre-shampoo treatment is applied to damp hair and left on briefly to target and dissolve mineral deposits that accumulate from hard water and styling products. Removing that buildup allows the following shampoo and mask to penetrate more effectively, so actives can reach the hair structure where they’re needed most.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCitric acid reduces calcium scale that restricts product absorption.\u003c\/li\u003e\n  \u003cli\u003eShort 5-minute application makes it simple to add to a shower routine.\u003c\/li\u003e\n  \u003cli\u003ePrepares shafts for glycine-driven bond reconnection in later steps.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat results can I expect from the shampoo and mask together?\u003c\/h3\u003e\n\u003cp\u003eUsed as a paired cleansing and conditioning sequence, the shampoo gently removes impurities and strands’ weakened fragments while the mask delivers concentrated nourishment to restore elasticity and shine. Together they aim to reduce breakage, smooth the fiber, and improve surface gloss without weighing hair down.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eShampoo cleanses and decalcifies to enable active repair.\u003c\/li\u003e\n  \u003cli\u003eMask infuses hydration and helps reconnect keratin links with glycine.\u003c\/li\u003e\n  \u003cli\u003eSystem claims measurable improvements in strength, smoothness, and shine with consistent use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use each product correctly for best results?\u003c\/h3\u003e\n\u003cp\u003eApply the pre-shampoo to damp hair and leave in for about five minutes, then layer the shampoo and rinse thoroughly. On towel-dried hair, spread the mask through lengths and ends, massage to distribute, leave for five minutes, and rinse. Regular, repeated use of all three steps provides the system’s intended benefits.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePre-shampoo: damp hair, 5-minute leave-in, then proceed to shampoo.\u003c\/li\u003e\n  \u003cli\u003eShampoo: lather, rinse, repeat if needed before the mask.\u003c\/li\u003e\n  \u003cli\u003eMask: towel-dried hair, apply through lengths and ends, 5-minute leave, rinse.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this set work for my hair type and damage level?\u003c\/h3\u003e\n\u003cp\u003eThe formula is created for all hair types experiencing damage from mechanical stress, chemical services, or mineral buildup. It suits hair that feels brittle, looks dull, or breaks easily; the approach focuses on internal bond repair and external smoothing rather than only surface conditioning.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSuitable for chemically treated, heat-styled, and hard-water exposed hair.\u003c\/li\u003e\n  \u003cli\u003eAddresses both buildup removal and structural repair in one routine.\u003c\/li\u003e\n  \u003cli\u003eNot marketed as a medical treatment; results depend on consistent, full-system use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This KÉRASTASE Première Strengthening trio is aimed at people seeking a salon-grade at-home protocol to tackle persistent breakage and dullness, especially those concerned about hard-water mineral buildup. If your hair feels fragile, snag-prone, or lacks smoothness and shine, this set provides a focused cleansing-and-repair sequence to improve resilience and appearance when used regularly.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I use the full three-step set?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use the pre-shampoo, shampoo, and mask once or twice weekly; adjust frequency based on hair condition and water hardness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this set remove hard-water buildup?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—citric acid in the formula helps eliminate calcium buildup to improve product penetration and reduce residue.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"KÉRASTASE","offers":[{"title":"Default Title","offer_id":57794290450764,"sku":"B0F7Y5VSNN","price":153.85,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1005\/5912\/6860\/files\/kerastase-premiere-front-packaging_5a5b25c3-76c0-456b-96e6-4997a54f65d2.jpg?v=1781478986","url":"https:\/\/belvera.co.uk\/products\/kerastase-premiere-strengthening-pre-shampoo-shampoo-mask-set-full-size-citric-acid-decalcifying","provider":"Belvera | British Beauty, Skin Care \u0026 Personal Wellness","version":"1.0","type":"link"}