{"id":1706,"date":"2026-05-21T10:06:33","date_gmt":"2026-05-21T08:06:33","guid":{"rendered":"https:\/\/centrotricotecnico.it\/?p=1706"},"modified":"2026-05-21T10:06:33","modified_gmt":"2026-05-21T08:06:33","slug":"alimentazione-e-capelli-il-legame-che-non-puoi-ignorare","status":"publish","type":"post","link":"https:\/\/centrotricotecnico.it\/en\/alimentazione-e-capelli-il-legame-che-non-puoi-ignorare\/","title":{"rendered":"Nutrition and hair: the link you can't ignore"},"content":{"rendered":"<div class=\"wpb-content-wrapper\" id=\"wpb-content-root\"><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"vc_empty_space\"   style=\"height: 50px\"><span class=\"vc_empty_space_inner\"><\/span><\/div>\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2><b>Hair is not nourished from the outside<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">When it comes to hair, the focus is often on products, treatments and cosmetic routines.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In fact, one of the most determining factors is nutrition.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Hair is not nourished from the outside. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">They form and grow from what the organism receives, transforms and utilises.<\/span><\/p>\n<blockquote><p>\n<em><span style=\"font-weight: 400;\">\u201cThe quality of the hair reflects the quality of what nourishes the organism.\u201d<\/span><\/em>\n<\/p><\/blockquote>\n<p><span style=\"font-weight: 400;\">Understanding the link between nutrition and hair means a complete change of perspective, as explored in the article <\/span><b>\u201c<a href=\"https:\/\/centrotricotecnico.it\/en\/tricologia-integrata\/\">Classical vs. integrated trichology: what are the real differences?<\/a>\u201d<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h3><b>How nutrition affects hair<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">The hair is born in the follicle, which is a metabolically active structure.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">To function properly, it needs:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">energy<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">nutrients<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">oxygenation<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">metabolic balance<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">When one of these elements is missing, the body intervenes with a precise strategy: it gives priority to vital organs.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Hair, not being essential for survival, is \u201csacrificed\u201d. This explains why hair loss is never an isolated phenomenon, but part of a more complex system, as detailed in <\/span><b>\u201c<a href=\"https:\/\/centrotricotecnico.it\/en\/caduta-dei-capelli-2\/\">Because hair loss is not just a scalp problem\u201d.\u201d<\/a><\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h3><b><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1709 size-large\" src=\"http:\/\/centrotricotecnico.it\/wp-content\/uploads\/2026\/05\/alimentaione-e-capelli-1024x576.png\" alt=\"relazione tra alimentazione e capelli\" width=\"1024\" height=\"576\" srcset=\"https:\/\/centrotricotecnico.it\/wp-content\/uploads\/2026\/05\/alimentaione-e-capelli-1024x576.png 1024w, https:\/\/centrotricotecnico.it\/wp-content\/uploads\/2026\/05\/alimentaione-e-capelli-300x169.png 300w, https:\/\/centrotricotecnico.it\/wp-content\/uploads\/2026\/05\/alimentaione-e-capelli-768x432.png 768w, https:\/\/centrotricotecnico.it\/wp-content\/uploads\/2026\/05\/alimentaione-e-capelli-1536x864.png 1536w, https:\/\/centrotricotecnico.it\/wp-content\/uploads\/2026\/05\/alimentaione-e-capelli-2048x1152.png 2048w, https:\/\/centrotricotecnico.it\/wp-content\/uploads\/2026\/05\/alimentaione-e-capelli-18x10.png 18w, https:\/\/centrotricotecnico.it\/wp-content\/uploads\/2026\/05\/alimentaione-e-capelli-600x338.png 600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/>Signs of an unbalanced diet<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Inadequate nutrition can quickly reflect on hair quality.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The most common signs are:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">matt hair<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">loss of lustre<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">slower growth<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">greater fragility<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">increased fall<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">These signs should not be interpreted as an aesthetic problem.<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">They are a message.<\/span><\/p>\n<h4><b>Restrictive diets: an underestimated risk<\/b><\/h4>\n<p><span style=\"font-weight: 400;\">Drastic or overly restrictive diets can have a significant impact.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In the short term, they can cause:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">sudden fall<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">loss of density<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">In the long run:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">weakening of the hair<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">slowdown in growth<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">The body perceives restriction as stress, and this can also contribute to thinning, as explained in <\/span><b>\u201c<a href=\"https:\/\/centrotricotecnico.it\/en\/diradamento-capelli\/\">Thinning hair: when to really worry?<\/a>\u201d<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h2><b>Nutritional deficiencies and hair<\/b><\/h2>\n<h3><b>Proteins: the structure of the hair<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">The hair is mainly composed of keratin, a protein.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A protein deficiency can lead to:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">weak hair<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">reduction in growth<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">greater fall<\/span><\/li>\n<\/ul>\n<h3><b>B vitamins<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">B vitamins are involved in energy processes and cell regeneration.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A deficiency can cause:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">fine hair<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">loss of vitality<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">slowing of the hair cycle<\/span><\/li>\n<\/ul>\n<h3><b>Minerals<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Elements such as iron, zinc and magnesium are essential.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">When they are missing, they can be observed:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">hair loss<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">brittle hair<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">reduced regeneration capacity<\/span><\/li>\n<\/ul>\n<h2><b>Nutrition and inflammation<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">It is not just a question of shortages.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Certain foods may favour inflammatory states.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In particular:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">excess sugar<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">ultra-processed foods<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">low-quality fats<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">These factors may contribute to:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">sebum alteration<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">skin instability<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">worsening of hair quality<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">This link is fundamental to understanding what we explore in the article <\/span><b>\u201c<a href=\"https:\/\/centrotricotecnico.it\/en\/infiammazioni-del-cuoio-capelluto\/\">Inflammations: the hidden cause<\/a>\u201d<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h3><b>Gut and hair: a direct link<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">The intestine plays a key role in nutrient absorption.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">When it does not work optimally:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">nutrients are not assimilated properly<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">increases the inflammatory state<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">the overall balance is disturbed<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">As a result, hair also suffers.<\/span><\/p>\n<h2><b>Nutrition, sebum and skin<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Nutrition also affects sebum production.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">An unbalanced diet can lead to:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">excess sebum<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">altered sebum<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">more responsive skin<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">This creates a less favourable environment for the hair. For more on this, see also <\/span><b>\u201c<a href=\"https:\/\/centrotricotecnico.it\/en\/sebo-cuoio-capelluto\/\">Sebum: why it should not be eliminated but rebalanced<\/a>\u201d<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h2><b>The role of lifestyle<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Power is not an isolated element.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">It is closely related to:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">sleep quality<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">stress management<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">physical activity<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">A correct diet, without overall balance, is not enough.<\/span><\/p>\n<h2><b>What promotes healthy hair<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">A balanced approach includes:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">food variety<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">quality of raw materials<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">macronutrient balance<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">attention to digestion<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">There are no \u201csuperfoods\u201d.<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">There is a system that has to work.<\/span><\/p>\n<p><b>Most common errors<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Among the most frequent errors are:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">focusing on supplements without working on nutrition<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">follow unbalanced diets<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">ignoring body signals<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">These approaches do not solve the problem and often only lead to acting on the effects, as is also the case with damaged hair, a topic explored in <\/span><b>\u201c<a href=\"https:\/\/centrotricotecnico.it\/en\/cosa-rovina-i-capelli\/\">What ruins hair?<\/a>\u201d<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h2><b>Nutrition and hair: an integrated approach<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">The integrated holistic trichology approach considers nutrition as part of a larger system.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">It is not just about \u201cwhat to eat\u201d, but about:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">how it is assimilated<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">how stress is managed<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">how metabolism works<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">This allows action to be taken on the actual causes. In this process, a professional assessment can also help to read the signs of the skin, as explained in <\/span><b>\u201c<a href=\"https:\/\/centrotricotecnico.it\/en\/valutazione-trico-cosmetica-integrata\/\">How a professional trichological assessment works in VTI centres<\/a>\u201d<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h3><b>When it is useful to consult a nutrition specialist<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">In some cases, working on the power supply alone is not enough.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">When signs persist or are particularly evident, the support of a nutritionist or dietician can make all the difference.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">It is useful to consider further study when:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">hair loss is intense or prolonged<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">suspected or confirmed nutritional deficiencies are present<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">the diet is very restrictive or disordered<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">digestive or intestinal disorders are present<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">major alterations in sebum or hair quality are observed<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">A specialist can help:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">identify any nutritional imbalances<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">setting up a customised food plan<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">support metabolic rebalancing<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">This type of intervention does not replace work on the skin, but complements it.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">An integrated approach makes it possible to act on both internal causes and external manifestations.<\/span><\/p>\n<h3><b>Link between nutrition and hair<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">The link between nutrition and hair is direct.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Hair is not isolated.<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">They are part of a system.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Understanding this means moving from a superficial approach to a more conscious one.<\/span><\/p>\n<blockquote><p>\n<em><span style=\"font-weight: 400;\">\u201cHealthy hair is the result of an organism that functions in balance\u201d.\u201d<\/span><\/em>\n<\/p><\/blockquote>\n\n\t\t<\/div>\n\t<\/div>\n<section class=\"vc_cta3-container\" style=\"width:100%;\"><div class=\"vc_general vc_do_cta3 vc_cta3 vc_cta3-style-custom vc_cta3-shape-square vc_cta3-align-center vc_cta3-icon-size-xl vc_cta3-icons-top vc_cta3-actions-bottom  wpb_animate_when_almost_visible wpb_bounceInDown bounceInDown\" style=\"background-color:#B4CFEC;\"><div class=\"vc_cta3-icons\"><div class=\"vc_icon_element vc_icon_element-outer vc_do_icon vc_icon_element-align-left\"><div class=\"vc_icon_element-inner  vc_icon_element-size-xl vc_icon_element-style-\" ><span class=\"vc_icon_element-icon fa fa-solid fa-magnifying-glass-location\" style=\"color:#FFFFFF !important\"><\/span><\/div><\/div><\/div><div class=\"vc_cta3_content-container\"><div class=\"vc_cta3-content\"><header class=\"vc_cta3-content-header\"><h2 style=\"color:#666;\">Book a VTI Assessment<\/h2><h4 style=\"color:#666;\">Search for a Trichotechnical Centre near you<\/h4><\/header><\/div><div class=\"vc_cta3-actions\"><div class=\"vc_btn3-container vc_btn3-center\" ><a class=\"vc_general vc_btn3 vc_btn3-size-md vc_btn3-shape-square vc_btn3-style-flat vc_btn3-color-\" href=\"https:\/\/centrotricotecnico.it\/en\/trova-il-centro-tricotecnico\/\" title=\"Find the CTT!\">FIND THE CTT AND BOOK AN EVALUATION<\/a><\/div><\/div><\/div><\/div><\/section><\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Hair is not nourished from the outside When it comes to hair, the focus is often on products, treatments and cosmetic routines. In reality, one of the most decisive factors is nutrition. Hair is not nourished from the outside. It forms and grows from what the body receives, processes and utilises. \u201cThe quality of hair reflects...<\/p>","protected":false},"author":5,"featured_media":1708,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[356,353,347,336,238,163,326,349,246,354,333,335,348,355,77,44,344,46,233,350,87,243,351,352,48],"class_list":["post-1706","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-informazioni-tricologiche","tag-alimentazione","tag-alimentazione-e-capelli","tag-approccio-integrato-tricologia","tag-bellezza-e-capelli","tag-benessere-capelli","tag-benessere-cuoio-capelluto","tag-capelli","tag-capelli-danneggiati-cosa-fare","tag-capelli-deboli-cause","tag-capelli-opachi-cause","tag-capelli-rovinati-cause","tag-capelli-sani","tag-capelli-secchi-e-fragil","tag-capelli-sfibrati-cause","tag-centri-tricotecnici","tag-centro-tricotecnico","tag-ciclo-del-capello-e-infiammazione","tag-ctt","tag-equilibrio-capelli","tag-infiammazione-cuoio-capelluto-capelli","tag-microambiente-follicolare","tag-salute-cuoio-capelluto","tag-sebo-e-capelli","tag-stress-e-capelli","tag-tricologia-integrata","category-21","description-off"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Alimentazione e capelli<\/title>\n<meta name=\"description\" content=\"Qual \u00e8 il legame tra alimentazione e capelli? 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