{"id":1749,"date":"2026-01-28T10:44:16","date_gmt":"2026-01-28T10:44:16","guid":{"rendered":"https:\/\/raffelpagessitges.com\/cuanto-dura-el-alisado-con-keratina-segun-tu-tipo-de-cabello\/"},"modified":"2026-01-28T12:45:43","modified_gmt":"2026-01-28T12:45:43","slug":"cuanto-dura-el-alisado-con-keratina-segun-tu-tipo-de-cabello","status":"publish","type":"post","link":"https:\/\/raffelpagessitges.com\/en\/how-long-does-keratin-straightening-last-depending-on-your-hair-type","title":{"rendered":"How long does keratin straightening last depending on your hair type?"},"content":{"rendered":"<p>If you are considering a<a href=\"https:\/\/raffelpagessitges.com\/en\/services\/keratin-straightening\/\"> keratin straightening treatment<\/a>, the most useful thing is not a single number, but understanding what makes it<strong> last longer or shorter in your hair<\/strong>. In practice, the result usually lasts between <strong>2 and 6 months<\/strong>, but this range varies greatly depending on your hair texture, porosity, chemical history, and washing routine. At<a href=\"https:\/\/raffelpagessitges.com\/en\/\"> <strong>Raffel Pag\u00e8s Sitges<\/strong><\/a>, we approach it this way: first, we assess your hair and your habits, and with that information, we adjust expectations and maintenance.<\/p>\n<p>Think of keratin as a treatment that <strong>reduces frizz<\/strong>, adds softness, and makes styling easier. It is not a \u201cpermanent straightening\u201d treatment: it fades with washing, heat, sun, and daily wear and tear. That&#8217;s why getting it right for your specific case is what makes the difference between \u201cit didn&#8217;t last at all\u201d and \u201cit lasted great.\u201d<\/p>\n<p><!--more--><\/p>\n<h2>What determines how long a keratin straightening treatment lasts?<\/h2>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-1741 aligncenter\" src=\"https:\/\/raffelpagessitges.com\/wp-content\/uploads\/2026\/01\/Cuanto-dura-el-alisado-con-keratina-segun-tu-cabello.jpg\" alt=\"Cu\u00e1nto dura el alisado con keratina seg\u00fan tu cabello\" width=\"1000\" height=\"667\" srcset=\"https:\/\/raffelpagessitges.com\/wp-content\/uploads\/2026\/01\/Cuanto-dura-el-alisado-con-keratina-segun-tu-cabello.jpg 1000w, https:\/\/raffelpagessitges.com\/wp-content\/uploads\/2026\/01\/Cuanto-dura-el-alisado-con-keratina-segun-tu-cabello-300x200.jpg 300w, https:\/\/raffelpagessitges.com\/wp-content\/uploads\/2026\/01\/Cuanto-dura-el-alisado-con-keratina-segun-tu-cabello-768x512.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p>The duration depends on a combination of factors, but there are three that carry the most weight: <strong>porosity<\/strong> (how much your hair \u201cabsorbs and releases\u201d),<strong> frequency of washing<\/strong>, and the <strong>condition of the fiber<\/strong> (whether it is sensitized by color, bleaching, or heat).<\/p>\n<p>At <strong>Raffel Pag\u00e8s Sitges<\/strong>, we usually explain it with a simple example: two hairs with the same texture can last differently if one is washed daily with aggressive products and the other is washed less frequently and uses maintenance cosmetics. Technique matters, yes, but<strong> your routine is what counts<\/strong>.<\/p>\n<ul>\n<li><strong>Washing<\/strong>: the more times you wash your hair each week, the sooner you will notice the effect diminishing.<\/li>\n<li><strong>Shampoo and treatment<\/strong>: formulas with sulfates or very powerful cleansers accelerate wear and tear.<\/li>\n<li><strong>Heat<\/strong>: flat irons and hair dryers without heat protection dry out and \u201copen\u201d the cuticle.<\/li>\n<li><strong>Swimming pool and sea<\/strong>: chlorine and salt can shorten the duration if you don&#8217;t protect and rinse your hair.<\/li>\n<li><strong>Color and bleaching<\/strong>: more sensitive hair tends to retain the result less well.<\/li>\n<\/ul>\n<p>If you want a practical reference: when your hair is healthy and you follow a good routine, it is easier to stay close to the<strong> upper limit<\/strong> of the duration. If your hair is very porous or you have habits that \u201cdrag out\u201d the treatment, you will stay at the<strong> lower limit.<\/strong><\/p>\n<h2>Duration of keratin straightening according to your hair type<\/h2>\n<p>Your hair type isn&#8217;t just \u201cstraight or curly\u201d: <strong>thickness<\/strong>, <strong>density<\/strong>, and, above all, <strong>porosity<\/strong> also matter. That&#8217;s why, rather than labels, I&#8217;m giving you a realistic map by scenario.<\/p>\n<div style=\"max-width: 100%; min-width: 0; overflow: auto;\">\n<table>\n<thead>\n<tr>\n<th>Hair type<\/th>\n<th>Usual duration<\/th>\n<th>What tends to shorten it<\/th>\n<th>What tends to lengthen it<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Fine<\/strong> (straight or wavy)<\/td>\n<td>8\u201312 weeks<\/td>\n<td>Daily washing, high heat, frequent \u201cclarifying\u201d products<\/td>\n<td>Washing 2\u20133 times\/week, heat protection, light moisturizing<\/td>\n<\/tr>\n<tr>\n<td><strong>Medium<\/strong> (wavy to soft curly)<\/td>\n<td>3\u20134 months<\/td>\n<td>Frizz from humidity, unsuitable shampoo, beach\/pool without care<\/td>\n<td><a href=\"https:\/\/raffelpagessitges.com\/en\/how-to-get-rid-of-frizz-in-your-hair\/\">Anti-frizz<\/a> routine, weekly mask, controlled drying<\/td>\n<\/tr>\n<tr>\n<td><strong>Thick <\/strong>(very curly or very abundant)<\/td>\n<td>4\u20136 months<\/td>\n<td>High porosity, friction (towel\/rough brushing), heat without protection<\/td>\n<td><a href=\"https:\/\/raffelpagessitges.com\/en\/mejores-tratamientos-de-hidratacion-para-el-cabello\/\">Hydration<\/a> + sealing, diffuser\/gentle brushing, maintenance products<\/td>\n<\/tr>\n<tr>\n<td><strong>Very porous<\/strong> (sensitized, bleached)<\/td>\n<td>6\u201310 weeks<\/td>\n<td>Recent bleaching, breakage, split ends, frequent heat<\/td>\n<td>Prior reconstruction, trimmed ends, consistent nourishing routine<\/td>\n<\/tr>\n<tr>\n<td><strong>Afro \/ very tight curls<\/strong><\/td>\n<td>2\u20134 months<\/td>\n<td>Root-curl contrast, humidity, intense manipulation<\/td>\n<td>Discipline + definition plan, deep hydration, periodic checkups<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>At <strong>Raffel Pag\u00e8s Sitges,<\/strong> we pay special attention to porosity because it is essential for longevity: hair that loses water quickly and frizzes easily tends to<strong> lose its effect sooner.<\/strong> In these cases, the key is often to prepare the fiber before straightening (and not to skip maintenance at home).<\/p>\n<h2>How to determine your porosity in 60 seconds (no complicated tricks required)<\/h2>\n<p>You don&#8217;t need viral tests. There are simple signs that indicate whether your porosity is low, medium, or high. Identifying this helps you understand<strong> why your friend&#8217;s hair lasts 5 months and yours lasts 2.<\/strong><\/p>\n<ul>\n<li><strong>Low porosity<\/strong>: hair takes a long time to get wet, has difficulty \u201cabsorbing\u201d product, tends to shine more and frizz less.<\/li>\n<li><strong>Medium porosity<\/strong>: gets wet normally, responds well to treatments, and maintains results with a consistent routine.<\/li>\n<li><strong>High porosity<\/strong>: gets wet quickly, dries quickly, frizzes easily, and \u201casks\u201d for cream\/oil continuously.<\/li>\n<\/ul>\n<p>If you recognize yourself in high porosity, it&#8217;s not bad news: it just means that it&#8217;s a good idea to design a plan where <a href=\"https:\/\/raffelpagessitges.com\/en\/services\/keratin-straightening\/\">keratin straightening<\/a> is <strong>part of a strategy<\/strong> (hydration, sealing, cutting, and habits), not an isolated solution.<\/p>\n<h2>The 7 habits that most extend (or shorten) the duration<\/h2>\n<p>To maximize duration, you don&#8217;t have to be \u201ctied\u201d to products. It&#8217;s about avoiding what wears down the treatment and reinforcing what keeps the cuticle stable. At <strong>Raffel Pag\u00e8s Sitges<\/strong>, we see that these habits are what most change the result month after month.<\/p>\n<h3>1) Washing frequency<\/h3>\n<p>The more you wash your hair, the faster you&#8217;ll notice the effect wearing off. If you can, <strong>aim for 2-3 washes per week<\/strong>. If your scalp needs more, compensate with a mild shampoo and alternate styling techniques that don&#8217;t require a full wash.<\/p>\n<h3>2) Shampoo: more important than it seems<\/h3>\n<p>Shampoo is what most \u201caffects\u201d the treatment. Choose gentle cleansing formulas and avoid very aggressive cleansers if your goal is to maintain<strong> softness and frizz control<\/strong>. If you do clarifying washes, make them occasional and intentional (not routine).<\/p>\n<h3>3) Heat (flat irons and blow dryers)<\/h3>\n<p>Heat not only dries out your hair, it also accelerates wear and tear if used carelessly. The rule is simple: always <strong>use heat protectant and sensible temperatures<\/strong>. If you need to flat iron your hair every day to \u201cmake it look good,\u201d perhaps your post-treatment routine is not adjusted properly.<\/p>\n<h3>4) Hair mask and conditioner: the combination that maintains results<\/h3>\n<p>A hair mask isn&#8217;t something you use once to \u201cfix your hair for a day\u201d and then forget about. Once a week, a well-chosen hair mask can maintain <strong>elasticity and shine<\/strong>. For the rest of the time, use conditioner to detangle without breaking your hair and reduce friction.<\/p>\n<h3>5) Towel and friction<\/h3>\n<p>Rubbing hard with a towel is a silent shortener. It&#8217;s better to press and remove water, and if you can, use a soft cloth. Less friction =<strong> less open cuticle<\/strong> = longer lasting results.<\/p>\n<h3>6) Pool, sea, and sun<\/h3>\n<p>If you go to the pool or the sea, protect your hair: rinse with fresh water when you get out and use a protective product. In summer, the combination of sun + salt + heat can cause the results to fade faster if you don&#8217;t have a <strong>protection routine.<\/strong><\/p>\n<h3>7) The cut also counts<\/h3>\n<p>Split ends and severely damaged hair \u201cbreak\u201d the perception of straightening: the hair looks worse even if the treatment is still there. Sometimes, a strategic trim can make the results look <strong>more polished for longer.<\/strong><\/p>\n<h2>Frequently asked questions that determine expectations<\/h2>\n<p><img decoding=\"async\" class=\"size-full wp-image-1738 aligncenter\" src=\"https:\/\/raffelpagessitges.com\/wp-content\/uploads\/2026\/01\/cuanto-dura-el-alisado-con-keratina.jpg\" alt=\"cu\u00e1nto dura el alisado con keratina\" width=\"1000\" height=\"667\" srcset=\"https:\/\/raffelpagessitges.com\/wp-content\/uploads\/2026\/01\/cuanto-dura-el-alisado-con-keratina.jpg 1000w, https:\/\/raffelpagessitges.com\/wp-content\/uploads\/2026\/01\/cuanto-dura-el-alisado-con-keratina-300x200.jpg 300w, https:\/\/raffelpagessitges.com\/wp-content\/uploads\/2026\/01\/cuanto-dura-el-alisado-con-keratina-768x512.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p>These questions often arise before booking and have a direct impact on satisfaction with the result. At <strong>Raffel Pag\u00e8s Sitges<\/strong>, we prefer to answer them clearly so that you can see it as a well-considered investment.<\/p>\n<h3>Does keratin straightening leave hair \u201cflat\u201d?<\/h3>\n<p>Not necessarily. It can tame your hair without erasing your natural wave if that&#8217;s what you want. The key is to adjust the objective: <strong>anti-frizz<\/strong>, volume reduction, or a more pronounced straight look.<\/p>\n<h3>When will I start to notice it wearing off?<\/h3>\n<p>It&#8217;s usually noticeable gradually: first, some frizz returns with humidity, then some of the smoothness is lost, and later, the roots grow out with your natural texture. It&#8217;s not \u201cone day you&#8217;re straight and the next you&#8217;re not\u201d: it&#8217;s usually a <strong>gradual transition.<\/strong><\/p>\n<h3>Can I do it if I have dyed or highlighted hair?<\/h3>\n<p>You can, but how long it lasts usually depends on the condition of the hair fiber. For sensitized hair, it&#8217;s best to assess whether prior preparation or adjusted expectations are necessary. If your goal is for it to last, the priority is <strong>hair health<\/strong> over \u201cmore power.\u201d<\/p>\n<h3>How often should I repeat it?<\/h3>\n<p>It depends on your base and what you&#8217;re looking for. Many people repeat it when they notice that frizz control is no longer effective, and others do it seasonally (for example, before humid periods). The sensible thing to do is to repeat it when your hair needs it, not on a fixed schedule, and to do so with a <strong>professional diagnosis.<\/strong><\/p>\n<h2>Signs that it will last longer&#8230; and signs that it will last less<\/h2>\n<p>If you want a quick way to anticipate this, here are some fairly reliable indicators. They are not a substitute for a diagnosis, but they can guide you.<\/p>\n<ul>\n<li><strong>It will last longer<\/strong> if your hair is medium\/low porosity, you wash it 2-3 times a week, use heat protection, and take care of hydration.<\/li>\n<li><strong>It will last less<\/strong> if your hair is very porous, you wash it daily, alternate between beach\/pool, it is frequently hot, or you have recently bleached it.<\/li>\n<\/ul>\n<p>At our <a href=\"https:\/\/raffelpagessitges.com\/en\/services\/womens-hairdresser-sitges\/\">women&#8217;s hair salon<\/a>, when someone wants \u201cmaximum duration,\u201d the improvement almost always comes not from \u201cdoing something stronger,\u201d but from changing two or three key habits and choosing the right maintenance.<\/p>\n<h2>Quick checklist before getting a keratin straightening treatment<\/h2>\n<p>Before you decide, it&#8217;s worth reviewing these points. They&#8217;ll save you surprises and help you choose the right treatment for your expectations.<\/p>\n<ol>\n<li><strong>Define your goal<\/strong>: do you want straight hair, less frizz, or less volume?<\/li>\n<li><strong>Assess your history<\/strong>: dye, bleaching, frequent heat styling, breakage.<\/li>\n<li><strong>Think about your routine<\/strong>: how many times a week do you wash your hair?<\/li>\n<li><strong>Have a maintenance plan<\/strong>: mild shampoo, mask, heat protectant.<\/li>\n<li><strong>Choose a salon that diagnoses<\/strong>: technique and adjustment to your hair are everything.<\/li>\n<\/ol>\n<p>When everything fits, keratin straightening becomes that treatment you notice every morning:<strong> less styling time, more control<\/strong>, and hair that behaves better even in humidity. And if you want the result to be consistent with your hair type, the most important thing is to take a realistic approach and maintain it simply but consistently.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>If you are considering a keratin straightening treatment, the most useful thing is not a single number, but understanding what makes it last longer or shorter in your hair. In practice, the result usually lasts between 2 and 6 months, but this range varies greatly depending on your hair texture, porosity, chemical history, and washing [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1746,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[33],"tags":[],"class_list":["post-1749","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-beauty"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How long does keratin straightening last depending on your hair type?<\/title>\n<meta name=\"description\" content=\"Discover how long keratin straightening lasts depending on your hair type and how to make it last longer with practical habits and care. 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