{"product_id":"reactive-pro-smooth-therapy","title":"Reactive Pro Smooth Therapy (1000ml)","description":"\u003c!-- piur:aviso-entrega --\u003e\n\u003cp\u003e\u003cstrong\u003eDispatch from 1 October 2026.\u003c\/strong\u003e Orders placed now are reserved and dispatched from that date.\u003c\/p\u003e\n\u003c!-- \/piur:aviso-entrega --\u003e\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\n\u003cp\u003eSmooth Therapy is Step 2, Realignment, of the Reactive Pro straightening protocol. Built on the LuminAlign System, it optimises light reflection while thermally aligning the hair fibre, on a glyoxylic acid base. The label states it is engineered for blonde and sensitive hair: a violet pigment lifts the reflect while the flat iron seals the realignment.\u003c\/p\u003e\n\u003cp\u003eSmooth Therapy carries the Formaldehyde Free seal and the V-Label International vegan certification on the label, the same as Reactive Pro Shampoo: a decisive claim for a UK client asking whether a straightening service uses formaldehyde.\u003c\/p\u003e\n\u003cp\u003eThe label caps ironing for this product at 160 to 190°C, never higher. That ceiling is lower than Piur London's other, higher-heat smoothing line, which is built for non-blonde, chemically resistant hair: the two lines share the same two-step logic, but Smooth Therapy exists specifically to protect the reflect that a higher heat range would compromise.\u003c\/p\u003e\n\n\u003ch3\u003eKey actives (as on the label)\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eGlyoxylic Acid, the realignment (straightening) active\u003c\/li\u003e\n  \u003cli\u003eSilanetriol, reinforces the fibre's structure\u003c\/li\u003e\n  \u003cli\u003ePanthenol, conditioning\u003c\/li\u003e\n  \u003cli\u003eAcid Violet 43, the violet pigment behind the Blonde Preservation claim; it works on the reflect, it is not a toner\u003c\/li\u003e\n  \u003cli\u003eTamarindus Indica Fruit Extract\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen to use it\u003c\/h3\u003e\n\u003cp\u003eImmediately after Reactive Pro Shampoo, on hair dried fully, on blonde, highlighted or otherwise sensitised hair booked for a straightening service.\u003c\/p\u003e\n\n\u003ch3\u003eHow to use it\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eApply evenly in fine strands, keeping 1 to 2cm away from the scalp.\u003c\/li\u003e\n  \u003cli\u003eLeave to process for 40 minutes at room temperature.\u003c\/li\u003e\n  \u003cli\u003eRinse until fully removed.\u003c\/li\u003e\n  \u003cli\u003eDry the hair 100 percent.\u003c\/li\u003e\n  \u003cli\u003eFlat iron in fine strands, 10 to 15 passes per section, at 160 to 190°C and never higher.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eWhat not to do\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProfessional use only; adult use.\u003c\/li\u003e\n  \u003cli\u003eNever exceed 190°C. This ceiling is declared on the label; a higher heat range belongs to Piur London's other smoothing line, built for different hair.\u003c\/li\u003e\n  \u003cli\u003eKeep the application 1 to 2cm away from the scalp.\u003c\/li\u003e\n  \u003cli\u003eSix-month shelf life: rotate stock and check the batch date before use.\u003c\/li\u003e\n  \u003cli\u003eDo not shorten or extend the 40-minute pause; do not skip drying fully before ironing.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Piur London","offers":[{"title":"Default Title","offer_id":48173222035696,"sku":"PIUR-RPR-PRO-SMOOTH-1000ML","price":209.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/5647\/9216\/files\/PIUR-RPR-PRO-SMOOTH-1000ML.webp?v=1789180045","url":"https:\/\/piurprofessional.com\/products\/reactive-pro-smooth-therapy","provider":"Piur Professional","version":"1.0","type":"link"}