{"product_id":"spr-acidic-closure","title":"S.P.R. Acidic Closure (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\u003eAcidic Closure is Step 3, the Closure Phase, of the S.P.R. protocol, and the final step of the four-step service. Its Fruit Acid Closure complex, at pH 3.5, the only pH declared on a piur London label, uses natural fruit acids to help rebalance the fibre and seal the cuticle, preserving the results of the earlier steps and leaving hair aligned, light and luminous with a mirror-shine finish.\u003c\/p\u003e\n\n\u003ch3\u003eKey actives (as on the label)\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eVinegar and Glycolic Acid\u003c\/li\u003e\n  \u003cli\u003eLactic Acid and Gluconic Acid\u003c\/li\u003e\n  \u003cli\u003eTamarindus Indica Fruit Extract\u003c\/li\u003e\n  \u003cli\u003eCitrus Limon (Lemon) Fruit Extract\u003c\/li\u003e\n  \u003cli\u003ePyrus Malus (Apple) Fruit Extract\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen to use it\u003c\/h3\u003e\n\u003cp\u003eStep 3, the last step of the S.P.R. protocol, straight after the Seal \u0026amp; Protect rinse.\u003c\/p\u003e\n\n\u003ch3\u003eHow to use it\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eApply evenly to wet mid-lengths and ends.\u003c\/li\u003e\n  \u003cli\u003eMassage in and leave on for 5 minutes.\u003c\/li\u003e\n  \u003cli\u003eRinse thoroughly and finish as desired.\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.\u003c\/li\u003e\n  \u003cli\u003eDo not apply over residue from the earlier steps: rinse Seal \u0026amp; Protect out completely first.\u003c\/li\u003e\n  \u003cli\u003eNot designed as a stand-alone toner or finishing rinse outside the protocol.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Piur London","offers":[{"title":"Default Title","offer_id":50436103373040,"sku":"PIUR-SPR-PRO-CLOSURE-1000ML","price":49.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/5647\/9216\/files\/PIUR-SPR-PRO-CLOSURE-1000ML.webp?v=1789173302","url":"https:\/\/piurprofessional.com\/products\/spr-acidic-closure","provider":"Piur Professional","version":"1.0","type":"link"}