{"product_id":"felps-liss-express-inner-regener-acidifier-kit","title":"Felps Professional Liss Express Heat Protectant + Inner Regener Acidifier Hair Kit – Heat Protection up to 230°C, pH Sealing \u0026 Frizz Control – Kit of 2 (7.78 fl oz \/ 230 ml fluid, 4.06 fl oz \/ 120 ml acidifier)","description":"\u003cp\u003eTwo steps, two very different jobs, one smoother result. The \u003cstrong\u003eFelps Professional Liss Express Heat Protectant + Inner Regener Acidifier Hair Kit – Kit of 2 (7.78 fl oz \/ 230 ml fluid, 4.06 fl oz \/ 120 ml acidifier)\u003c\/strong\u003e pairs the shower-time step that helps close the cuticle with the finishing mist that shields it before the hot tools come out.\u003c\/p\u003e\n\u003cp\u003eThe Inner Regener Acidifier works at a pH of 2.2 to 2.8. Built around Phytoqueratina and Nutrimel, it helps bring the fibre back to its ideal acidity after colouring or bleaching, helps seal a raised cuticle and leaves the lengths feeling disciplined, silky and easier to comb.\u003c\/p\u003e\n\u003cp\u003eLiss Express then takes over on dry or damp hair. Its silicone-rich, thermo-activated formula built around Polysilicone-29 forms a flexible film that helps protect the fibre from heat of up to 230°C (446°F) while creating a barrier against humidity — for a gradual smoothing effect, faster drying and a glossy, weightless finish.\u003c\/p\u003e\n\u003ch3\u003eIncluded in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLiss Express Heat Protectant Fluid 7.78 fl oz (230 ml)\u003c\/strong\u003e: Thermo-activated mist that helps shield strands from blow-dryers and flat irons up to 230°C while blocking humidity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Regener Acidifier 4.06 fl oz (120 ml)\u003c\/strong\u003e: Low-pH acidifying step that helps rebalance the fibre and seal the cuticle after chemical services.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat Protection up to 230°C\u003c\/strong\u003e: Helps shield the fibre from blow-dryers, flat irons and curling wands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH Sealing Step\u003c\/strong\u003e: The acidifier works at pH 2.2 to 2.8 to help close the cuticle after colour, bleach or relaxing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti-Humidity Barrier\u003c\/strong\u003e: A flexible film that helps keep hair aligned when the air is damp.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelps Reduce the Appearance of Frizz\u003c\/strong\u003e: Smoother, more aligned lengths with fewer visible flyaways and split-looking ends.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGradual Smoothing, No Chemistry\u003c\/strong\u003e: Regular use builds a progressively sleeker look without any straightening agents.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFaster Drying, Weightless Touch\u003c\/strong\u003e: The fluid speeds up blow-drying and leaves no heavy residue behind.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in Brazil\u003c\/strong\u003e: Both formulas are developed and produced in Brazil by a salon-focused professional brand.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow To Use\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eProfessional Use Recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eWash\u003c\/strong\u003e: Cleanse the hair with your usual Felps Professional shampoo and squeeze out the excess water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcidify\u003c\/strong\u003e: Apply the Inner Regener Acidifier to the lengths and ends with gloved hands, avoiding the scalp. Leave on for 3 to 5 minutes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRinse\u003c\/strong\u003e: Rinse thoroughly with cool or lukewarm water, then towel-dry gently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect\u003c\/strong\u003e: Mist Liss Express evenly over the lengths and ends from about 20 cm away, then comb through to distribute it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle\u003c\/strong\u003e: Finish with a blow-dryer and\/or flat iron to activate the thermo-protective film. Reapply lightly on dry hair between washes if humidity strikes.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eExpert Tip\u003c\/strong\u003e: For a fuller Inner Regener routine, follow the acidifier with a Felps Professional treatment mask before you towel-dry — the low pH helps the mask deposit more evenly along the lengths.\u003c\/p\u003e\n\u003ch3\u003eIngredients (Highlights)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolysilicone-29\u003c\/strong\u003e: Film-forming silicone that helps build a barrier against humidity and heat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmodimethicone\u003c\/strong\u003e: Conditioning silicone that helps smooth the cuticle and add slip.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLactic Acid\u003c\/strong\u003e: The acidifying agent that brings the acidifier to a low, cuticle-friendly pH.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydrolyzed Keratin \u0026amp; Hydrolyzed Wheat Protein (Phytoqueratina)\u003c\/strong\u003e: Protein fragments that help fragile strands feel stronger and less porous.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eButyrospermum Parkii Butter \u0026amp; Cocos Nucifera Oil\u003c\/strong\u003e: Rich lipids that help seal in moisture and soften rough-feeling ends.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLinum Usitatissimum \u0026amp; Salvia Hispanica Seed Extracts\u003c\/strong\u003e: Linseed and chia extracts that help condition and add suppleness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eXylitol \u0026amp; Anhydroxylitol\u003c\/strong\u003e: Sugar-derived humectants that help hair hold on to moisture.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFull Ingredient List (INCI) – Liss Express Heat Protectant Fluid 230 ml:\u003c\/strong\u003e Aqua, Dipropylene Glycol, PEG-40 Hydrogenated Castor Oil, Amodimethicone, Parfum, Polysilicone-29, Propanediol, Xylityl Sesquicaprylate, Trideceth-12, Linum Usitatissimum Seed Extract, Anhydroxylitol, Disodium EDTA, Citric Acid, Salvia Hispanica Seed Extract, Cetrimonium Chloride, Sodium Benzoate, Glyceryl Oleate Citrate, Algin, Caprylic\/Capric Triglyceride, Benzyl Alcohol, Caprylic Acid, Xylitol, Potassium Sorbate, Alpha-Isomethyl Ionone, Benzyl Benzoate, Citronellol, Coumarin, Dimethyl Phenethyl Acetate, Geranyl Acetate, Hexamethylindanopyran, Hexyl Cinnamal, Hydroxycitronellal, Limonene, Linalool, Tetramethyl Acetyloctahydronaphthalenes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFull Ingredient List (INCI) – Inner Regener Acidifier 120 ml:\u003c\/strong\u003e Aqua; Cetearyl Alcohol; Lactic Acid; Glycerin; Stearamidopropyl Dimethylamine; Behentrimonium Chloride; Cetyl Alcohol; Cetrimonium Chloride; Cyclopentasiloxane; Bis-Cetearyl Amodimethicone; Butyrospermum Parkii Butter; Cocos Nucifera Oil; Isopropyl Palmitate; Hydroxypropyl Starch Phosphate; Parfum; Hydrolyzed Keratin; Dimethicone; Isopropyl Alcohol; Amodimethicone; Guar Hydroxypropyltrimonium Chloride; Alcohol; Dimethyl Palmitamine; Polyquaternium-7; Disodium EDTA; Hydrolyzed Wheat Protein; Laurdimonium Hydroxypropyl Hydrolyzed Keratin; Sodium PCA; Sodium Lactate; Hydrolyzed Soy Protein; Tocopheryl Acetate; Arginine; Methicone; Trideceth-12; Polymnia Sonchifolia Root Juice; Hydrolyzed Corn Protein; Hexyl Cinnamal; Aspartic Acid; PCA; Phenoxyethanol; Benzyl Salicylate; D-Limonene; Carbocysteine; Polyquaternium-10; alpha-Isomethyl Ionone; Citronellol; Sodium Benzoate; Glycine; Alanine; Benzyl Alcohol; Serine; Potassium Sorbate; Valine; Isoleucine; Proline; Threonine; Magnesium Nitrate; Benzyl Benzoate; Methylchloroisothiazolinone and Methylisothiazolinone; Magnesium Chloride; Histidine; Isoeugenol; Phenylalanine; Citric Acid; Dehydroacetic Acid; Xanthan Gum; Citral; Linalool.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAllergen warnings \/ usage cautions: Both formulas are fragranced and contain declared fragrance allergens including Alpha-Isomethyl Ionone, Benzyl Benzoate, Benzyl Salicylate, Citral, Citronellol, Coumarin, Hexyl Cinnamal, Hydroxycitronellal, Isoeugenol, Limonene and Linalool. The acidifier also contains Methylchloroisothiazolinone and Methylisothiazolinone and has a very low pH — use gloves, keep it off the scalp and rinse thoroughly. For external use only. Avoid contact with the eyes and rinse immediately with plenty of water if contact occurs. Do not apply the heat protectant to the scalp or to injured skin. Keep in a cool place and out of reach of children.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWelcome to the world of \u003cstrong\u003eFelps Professional\u003c\/strong\u003e, a Brazilian professional hair cosmetics brand headquartered in Cascavel, Paraná. Felps is known in Brazil for its smoothing and volume-reduction treatments and for home-care lines sold through salons, and its products are exported to beauty professionals and enthusiasts around the world. Every formula is developed with the routine of the salon chair in mind, then adapted so you can keep the same finish at home.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIn which order do I use the two products?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe acidifier comes first, in the shower, after shampooing: 3 to 5 minutes on the lengths, then rinse. Liss Express is the last step before any hot tool, on damp or dry hair.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre these authentic Felps Professional products?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Both are genuine Felps Professional, sourced in Brazil through authorised channels, in the original Brazilian packaging, which may be labelled in Portuguese.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo you ship internationally, and what if I change my mind?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe ship worldwide from our Brazilian sourcing network. Delivery times vary by destination, and our standard return and exchange policy applies to unopened items.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich hair types is this kit suitable for?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAll of them. The fluid is light enough for fine, straight hair and still effective on wavy, curly and coily textures, while the acidifier is especially welcome on colour-treated, bleached or relaxed lengths.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this kit straighten hair permanently?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Liss Express is a thermal protectant that delivers a gradual smoothing effect while you style, with no straightening chemicals, and the acidifier only works on the pH and feel of the fibre. The look resets with your next wash.\u003c\/p\u003e\n\u003cp\u003eExplore more at \u003ca href=\"https:\/\/mkpbr.com\/collections\/felps-professional\"\u003eour Felps Professional collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eSeal It, Shield It, Style It — Brazilian Smoothness Without the Chemistry\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=\"\/de-lu\/pages\/disclaimers\" style=\"color: rgba(20,32,62,.74); text-decoration: underline;\"\u003eDisclaimers \u0026amp; Important Information\u003c\/a\u003e.\u003c\/div\u003e","brand":"Felps Professional","offers":[{"title":"Default Title","offer_id":53948370125116,"sku":"MKPBR2024-3881","price":73.74,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0090\/2840\/3278\/files\/felps-liss-express-inner-regener-acidifier-kit-of-2-front-of-both-bottles-buy-now-at-mkpbr-com-worldwide-shipping.jpg?v=1785418338","url":"https:\/\/mkpbr.com\/de-lu\/products\/felps-liss-express-inner-regener-acidifier-kit","provider":"MKPBR - Shine Like a Brazilian","version":"1.0","type":"link"}