{"id":5271,"date":"2020-11-12T09:30:35","date_gmt":"2020-11-12T09:30:35","guid":{"rendered":"https:\/\/dermatly.com\/manchas-marrones-y-pecas\/"},"modified":"2026-03-15T11:24:36","modified_gmt":"2026-03-15T11:24:36","slug":"brown-spots-and-freckles","status":"publish","type":"glossary","link":"https:\/\/dermatly.com\/en\/manchas-marrones-y-pecas\/","title":{"rendered":"Brown Spots and Freckles"},"content":{"rendered":"<section class=\"textBlock\">\n<div class=\"cmsBlock\">\n<div class=\"cmsBlock__shortcode\"><\/div>\n<div class=\"cmsBlock__title\"><\/div>\n<\/div>\n<h1>Crucial Differences Between Common Brown Spots and Freckles (Ephelides vs. Lentigines)<\/h1>\n<p>The brown spots that emerge on sun-exposed skin are primarily classified as ephelides (plural of ephelis) or lentigines (plural of lentigo). The essential difference lies in their permanence: unlike ephelides, which tend to fade during the winter months without the incidence of UV stimuli, <span class=\"term\" data-term-id=\"1910\">UV<\/span>, lentigines remain constantly visible. Although they can appear simultaneously on the same person, the factors predisposing to both types of lesions are often similar.<\/p>\n<h2>Who Is More Prone to Developing Ephelides?<\/h2>\n<p>Ephelides are notably common in individuals with light skin phototypes, especially in children with certain hair colors. <span class=\"term\" data-term-id=\"122\">hair<\/span>. The gene <span class=\"term\" data-term-id=\"774\">gene<\/span> *MC1R* is intrinsically linked to this hereditary predisposition, although they can also manifest in people with darker skin pigmentation.<\/p>\n<div id=\"square-placement-country-holder\" class=\"country-dependent advert\"><\/div>\n<h2>The Biological Basis of Ephelides<\/h2>\n<p>The characteristic brown appearance of an ephelis arises from the localized concentration of <span class=\"term\" data-term-id=\"231\">in the skin include several biochemical processes:<\/span> <span class=\"term\" data-term-id=\"180\">melanin<\/span>. pigment melanin. This pigment is synthesized by the <span class=\"term\" data-term-id=\"181\">melanocytes<\/span> melanocytes and then transmitted to the <span class=\"term\" data-term-id=\"1069\">keratinocytes<\/span>. keratinocytes. Melanin production intensifies with exposure to solar ultraviolet (UV) radiation and decreases during the winter. It is fundamental to understand that these spots are due to a localized accumulation <span class=\"term\" data-term-id=\"324\">episodes of angioedema without hives may originate from angiotensin-converting enzyme (ACE) inhibitors.<\/span> of melanin in keratinocytes, and not an increase in the number of melanocytes.<\/p>\n<h2>Typical Clinical Manifestations of Ephelides<\/h2>\n<p>Ephelides generally present initially on the central area of the individual's face and, occasionally, more diffusely, starting from early childhood. With advancing age, these freckles usually become less noticeable. They become markedly accentuated during the summer and fade or disappear almost completely in winter. Usually, the diameter of an ephelis does not exceed 3 mm.<\/p>\n<p>Aside from the fundamental need to implement strict sun protection, generally, no specific dermatological treatment is required for ephelides.<\/p>\n<section class=\"textBlock imageLinkBlockTitle\">\n<h3 class=\"colour--primary\">Comparative Visualization of Pigmentation<\/h3>\n<\/section>\n<section class=\"imageLinkBlock\">\n<div class=\"flex\">\n<div class=\"imageLinkBlock__item__image\"><img decoding=\"async\" src=\"https:\/\/dermatly.com\/wp-content\/uploads\/2020\/11\/freckle2__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsInkiLDg1XQ.jpg\" alt=\"Freckles on the hand before and after green laser light.\" \/><\/p>\n<p class=\"p-small\">Freckles<\/p>\n<\/div>\n<div class=\"imageLinkBlock__item__image\"><img decoding=\"async\" src=\"https:\/\/dermatly.com\/wp-content\/uploads\/2020\/11\/freckle1__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsInkiLDg1XQ.jpg\" alt=\"Freckle before cryotherapy.\" \/><\/p>\n<p class=\"p-small\">Freckles<\/p>\n<\/div>\n<div class=\"imageLinkBlock__item__image\"><img decoding=\"async\" src=\"https:\/\/dermatly.com\/wp-content\/uploads\/2020\/11\/freckle7__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsIngiLDQyXQ.jpg\" alt=\"Freckle after cryotherapy.\" \/><\/p>\n<p class=\"p-small\">Freckles<\/p>\n<\/div>\n<\/div>\n<\/section>\n<div class=\"clearfix imageLinkBlock\"><\/div>\n<h2>Distinct Clinical Features of Lentigines<\/h2>\n<p>Lentigines present as flat brown lesions, characterized by having a well-demarcated border. The most frequent subtype, known as solar lentigo, generally appears during middle adulthood as a direct consequence of accumulated sun damage. <span class=\"term\" data-term-id=\"2115\">lesions<\/span> de color marr\u00f3n plano, caracterizadas por poseer un borde bien demarcado. El subtipo m\u00e1s frecuente, conocido como lentigo solar, generalmente aparece durante la edad adulta media como consecuencia directa del da\u00f1o solar acumulado.<\/p>\n<p>Understanding the differences between ephelides and lentigines is crucial for monitoring skin health. While the appearance of ephelides is strongly linked to genetics and seasonal sun exposure, lentigines indicate an accumulation of dermal damage over time. Constant vigilance of any change in pigmentation, especially those lesions that do not disappear in winter, is a fundamental practice for the early detection of more serious conditions.<\/p>\n<\/section>\n<p>from the sun. They are generally located in areas such as the face and hands. Unlike ephelides, lentigines tend to be more extensive and exhibit more marked contours. There are additional varieties, including black spot lentigo (ink spots) and simple lentigo. <span class=\"term\" data-term-id=\"2354\">simplex<\/span>.<\/p>\n<div id=\"square-placement-country-holder\" class=\"country-dependent advert\"><\/div>\n<h1>Complete Guide to Solar Lentigines: Understanding Their Causes, Characteristics, and Diagnosis<\/h1>\n<h2>Risk Factors: Who Is Most Likely to Develop Lentigines?<\/h2>\n<p>Lentigines constitute a very common skin alteration, observed particularly in individuals with light phototypes (sensitive skin prone to burning). However, they consistently appear in areas of chronic sun exposure even in people with skin that tans or those with naturally deeper pigmentation. While their incidence increases significantly after age 40, it is not uncommon to find them in younger patients.<\/p>\n<h2>UV Radiation as the Main Origin of Solar Lentigines<\/h2>\n<p>The fundamental cause of solar lentigines lies in accumulated exposure to ultraviolet (UV) radiation, whether direct solar or artificially generated through phototherapy treatments or tanning booths. From a histopathological perspective (examined via <span class=\"term\" data-term-id=\"24\">biopsy<\/span>), solar lentigo is defined by a <span class=\"term\" data-term-id=\"893\">proliferation<\/span> proliferation of keratinocytes concentrated in the rete ridges or <span class=\"term\" data-term-id=\"819\">rete<\/span> (basal layer of the epidermis), and an increase in the melanocyte population is often detected.<\/p>\n<h2>Identifying Solar Lentigines: Key Clinical Characteristics<\/h2>\n<p>Clinically, solar lentigines stand out for their persistent nature <span class=\"term\" data-term-id=\"2191\">persistent<\/span>; they remain visible year-round, although their pigment intensity may soften slightly in winter. Their size is highly variable, ranging from a few millimeters to several centimeters in diameter. The coloration is usually uniform across the entire <span class=\"term\" data-term-id=\"164\">. The cherry angioma is histologically distinguished by being composed of<\/span>, covering tones ranging from yellowish light brown to grayish. They present a clearly defined border, frequently scalloped, giving them a distinctive shape. In specific cases, the surface may show dry or slightly <span class=\"term\" data-term-id=\"385\">scaly<\/span>.<\/p>\n<p>skin texture. It is important to note that one or more <span class=\"term\" data-term-id=\"378\">seborrheic<\/span> <span class=\"term\" data-term-id=\"1596\">seborrheic keratosis<\/span>.<\/p>\n<p>seborrheic keratoses may overlap or develop on the surface of a solar lentigo. Establishing an accurate differential diagnosis is fundamental: one must distinguish solar lentigo (generally benign, although it may show atypical characteristics <span class=\"term\" data-term-id=\"1395\">atypical<\/span>) from lesions with malignant potential, such as early-stage melanoma or its lentiginous variants, including lentigo maligna. Any spot revealing clinical, dermatoscopic, or histological atypia <span class=\"term\" data-term-id=\"1669\">histologically<\/span> requires surgical removal via <span class=\"term\" data-term-id=\"848\">excision<\/span> total excision for subsequent detailed <span class=\"term\" data-term-id=\"1401\"><span class=\"term\" data-term-id=\"2180\">They are usually observed just before or at the time of diagnosis of advanced Hodgkin lymphoma associated with systemic nodal disease.<\/span><\/span> pathological examination.<\/p>\n<section class=\"textBlock imageLinkBlockTitle\">\n<h3 class=\"colour--primary\">Delving Deeper into Lentigines Knowledge<\/h3>\n<\/section>\n<section class=\"imageLinkBlock\">\n<div class=\"flex\">\n<div class=\"imageLinkBlock__item__image\"><img decoding=\"async\" src=\"https:\/\/dermatly.com\/wp-content\/uploads\/2020\/11\/freckle6__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsInkiLDg1XQ.jpg\" alt=\"Miniature of the Miiskin application for early detection.\" \/><\/div>\n<p class=\"p-small\">lentigines<\/p>\n<div class=\"imageLinkBlock__item__image\"><img decoding=\"async\" src=\"https:\/\/dermatly.com\/wp-content\/uploads\/2020\/11\/freckle3__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsIngiLDFd.jpg\" alt=\"Detailed close-up showing the texture and color of several freckles on the skin.\" \/><\/div>\n<p class=\"p-small\">lentigines<\/p>\n<div class=\"imageLinkBlock__item__image\"><img decoding=\"async\" src=\"https:\/\/dermatly.com\/wp-content\/uploads\/2020\/11\/freckle4__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsIngiLDFd.jpg\" alt=\"Visual example of how freckles are distributed over a larger area of the skin.\" \/><\/div>\n<p class=\"p-small\">lentigines<\/p>\n<\/div>\n<\/section>\n<div class=\"clearfix imageLinkBlock\"><\/div>\n<h2>Diagnostic Tools: How Are Freckles and Solar Brown Spots Differentiated?<\/h2>\n<p>In the vast majority of cases, both ephelides (commonly known as freckles) and lentigines can be accurately identified during the clinical evaluation performed by an expert dermatologist. When doubt arises as to whether a brown spot constitutes a cancerous <span class=\"term\" data-term-id=\"30\">lesion<\/span>, the diagnostic strategy may involve active monitoring, supported by dermatoscopic surveillance.<\/p>\n<p>or surgical removal to confirm the diagnosis via pathological analysis.<\/p>\n<h1>Differential Diagnosis: Distinguishing Common Causes of Skin Pigmentation<\/h1>\n<p>A brown mark could also correspond to an <span class=\"term\" data-term-id=\"1939\">actinic keratosis<\/span> actinic keratosis <span class=\"term\" data-term-id=\"1595\">seborrheic keratosis<\/span> (sign of previous sun damage) or a <span class=\"term\" data-term-id=\"1824\">melanocytic<\/span> seborrheic keratosis <span class=\"term\" data-term-id=\"319\">chronic<\/span> (known as senile wart), conditions characterized by keratinocyte proliferations. Generally, both actinic and seborrheic keratoses present a thicker, scaly texture in direct contrast to solar lentigines. Furthermore, facial pigmentation could be due to melasma, a chronic condition .<\/p>\n<p>that demands a differentiated diagnostic approach. To optimize the understanding and proper management of these skin lesions, a professional evaluation is essential, especially if any change in the pattern or general appearance of pre-existing brown spots is observed.<\/p>\n<p>pigmentation disorder.<\/p>\n<section class=\"textBlock imageLinkBlockTitle\">\n<h2 class=\"colour--primary\">Evaluating Other Pigmentation Marks and Their Identification<\/h2>\n<\/section>\n<section class=\"imageLinkBlock\">\n<div class=\"flex\">\n<div class=\"imageLinkBlock__item__image\"><img decoding=\"async\" src=\"https:\/\/dermatly.com\/wp-content\/uploads\/2020\/11\/pigmented-sk1__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsIngiLDFd.jpg\" alt=\"Close-up observation of a single freckle highlighting its shape and contour.\" \/><\/div>\n<p class=\"p-small\">Actinic Keratosis<\/p>\n<div class=\"imageLinkBlock__item__image\"><img decoding=\"async\" src=\"https:\/\/dermatly.com\/wp-content\/uploads\/2020\/11\/pigmented-sk2__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsInkiLDM2XQ.jpg\" alt=\"Diverse display of solar lentigines on sun-exposed skin.\" \/><\/div>\n<p class=\"p-small\">Actinic Keratosis<\/p>\n<div class=\"imageLinkBlock__item__image\"><img decoding=\"async\" src=\"https:\/\/dermatly.com\/wp-content\/uploads\/2020\/11\/seborrhoeic-k1__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsIngiLDFd.jpg\" alt=\"Clear example of a lentigo with well-defined and uniform margins.\" \/><\/div>\n<p class=\"p-small\">Seborrheic Keratosis<\/p>\n<\/div>\n<\/section>\n<div class=\"clearfix imageLinkBlock\"><\/div>\n<h2>Treatment Strategies for Persistent Brown Spots<\/h2>\n<h3>Effective Prevention and Reduction of Brown Marks<\/h3>\n<p>It is fundamental to recognize that not all cutaneous brown marks can be completely avoided. However, maintaining an extremely rigorous sun protection routine will significantly decrease the probability of developing new solar lentigines or the appearance of hyperpigmentation.<\/p>\n<p>In fact, the optimal prevention strategy goes beyond topical application; actively seeking shade and using clothing with superior sun protection offers a stronger barrier than relying solely on sunscreens. If sunscreens are used, it is imperative that the product ensures a high sun protection factor (SPF 50+) with very effective broad-spectrum coverage, applied liberally and reapplied with the recommended frequency.<\/p>\n<h3>Therapeutic Options for the Elimination of Brown Marks<\/h3>\n<p>Brown spots can progressively fade with daily maintained sun protection, complemented by the constant use of <span class=\"term\" data-term-id=\"2012\">creams<\/span> anti-aging creams.<\/p>\n<p>or advanced depigmenting formulations. These topical solutions frequently include active ingredients such as hydroquinone or a variety of potent antioxidants, among which are:<\/p>\n<ul>\n<li>Alpha-hydroxy acids<\/li>\n<li>Vitamin C<\/li>\n<li><span class=\"term\" data-term-id=\"762\">Corticosteroids<\/span><\/li>\n<li>Vitamin C<\/li>\n<li>Retinoids<\/li>\n<li>Vitamin E<\/li>\n<li><span class=\"term\" data-term-id=\"1884\">Cysteamine<\/span>, Resveratrol\n<ul>\n<li>Vitamin E<\/li>\n<li>Azelaic Acid<\/li>\n<li>Tyrosinase Inhibitors.<\/li>\n<\/ul>\n<\/li>\n<li><span class=\"term\" data-term-id=\"1882\">, including compounds such as:<\/span>, Arbutin (considered a natural source of hydroquinone).<\/li>\n<\/ul>\n<p>Azelaic acid <span class=\"term\" data-term-id=\"1145\">cryotherapy<\/span>, Kojic acid. <span class=\"term\" data-term-id=\"2113\">vascular lasers<\/span> Melanosome Inhibitors.<\/p>\n<p>, such as niacinamide (Vitamin B3). <span class=\"term\" data-term-id=\"846\">epidermal<\/span>, To achieve faster and more visible elimination of brown marks, professional dermatological procedures offer highly effective results. These methods include chemical peels,<\/p>\n<ul>\n<li>cryotherapy<span class=\"term\" data-term-id=\"1617\">laser<\/span>).<\/li>\n<li>, or the use of specialized<\/li>\n<\/ul>\n<p>lasers.<\/p>\n<ul>\n<li>designed to specifically target accumulated melanin in the skin. It is common to require completing a series of sessions to achieve the most optimal results. <span class=\"term\" data-term-id=\"1405\">Q-switched<\/span>.<\/li>\n<\/ul>\n<p>Devices that use green light are particularly effective for eradicating epidermal pigment, and include:<\/p>\n<ul>\n<li>The flashlamp-pumped pulsed dye laser ( .<\/li>\n<li>The Nd:YAG laser.<\/li>\n<\/ul>\n<p>Constant management and the use of advanced therapies are the keys to maintaining skin with a uniform tone after treating lentigines and other common forms of hyperpigmentation. <span class=\"term\" data-term-id=\"1520\">or pigmented<\/span>. Q-switched neodymium: yttrium-aluminum-garnet laser.<\/p>\n<p>For the purpose of depigmenting the epidermis, various red light devices are used, including the following:.<\/p>\n<p>Alexandrite laser operated in Q-Switched mode. <span class=\"term\" data-term-id=\"1621\">post-inflammatory<\/span>. Ruby laser operated in Q-Switched mode. <span class=\"term\" data-term-id=\"2236\">recurring<\/span> Likewise, Intense Pulsed Light (IPL) provides a comparable result. Carbon dioxide lasers and Er:YAG lasers work by vaporizing the superficial skin layer to remove pigmented lesions. Recently, the efficacy of picosecond lasers in treating epidermal pigment has been demonstrated.<\/p>\n<section class=\"textBlock imageLinkBlockTitle\">\n<h2 id=\"efecto-del-tratamiento\">Despite the inherent variability in response to laser and light treatment, the improvements achieved can be substantial, presenting with a minimal risk of leaving permanent scarring sequelae.<\/h2>\n<\/section>\n<section class=\"imageLinkBlock\">\n<div class=\"flex\">\n<figure><img decoding=\"async\" src=\"https:\/\/dermatly.com\/wp-content\/uploads\/2020\/11\/freckle5__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsIngiLDFd.jpg\" alt=\"Clustering of lentigines in a specific skin area.\" \/><figcaption class=\"p-small\">Superficial rejuvenation techniques involve transient discomfort and require no downtime; however, successive treatment sessions are often necessary. It is essential to consider that, occasionally, treatment can intensify pigmentation, triggering post-inflammatory hyperpigmentation. For this reason, rigorous and continuous sun protection is essential, given that there is a high probability that the pigmentation<\/figcaption><\/figure>\n<figure><img decoding=\"async\" src=\"https:\/\/dermatly.com\/wp-content\/uploads\/2020\/11\/before-cryotx__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsIngiLDFd.jpg\" alt=\"Detailed close-up of an Actinic Keratosis on human skin.\" \/><figcaption class=\"p-small\">will recur<\/figcaption><\/figure>\n<figure><img decoding=\"async\" src=\"https:\/\/dermatly.com\/wp-content\/uploads\/2020\/11\/after-cryotx__ProtectWyJQcm90ZWN0Il0_FocusFillWzI5NCwyMjIsIngiLDFd.jpg\" alt=\"Complementary image showing the appearance of an Actinic Keratosis.\" \/><figcaption class=\"p-small\">in the next summer season.<\/figcaption><\/figure>\n<\/div>\n<\/section>\n<div class=\"clearfix imageLinkBlock\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Diferencias Cruciales entre Manchas Marrones Comunes y Pecas (Ef\u00e9lides vs. Lentigos) Las manchas marrones que emergen en la piel expuesta al sol se clasifican principalmente como ef\u00e9lides (plural de ef\u00e9lis) o lentigos (plural de lentigo). La diferencia esencial radica en su permanencia: a diferencia de las ef\u00e9lides, que tienden a desvanecerse durante los meses invernales [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":409,"parent":0,"template":"","glossary-cat":[],"class_list":["post-5271","glossary","type-glossary","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.2 (Yoast SEO v27.1.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Manchas marrones y pecas - Dermatly.com - El sitio de tu piel<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dermatly.com\/en\/brown-spots-and-freckles\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Manchas marrones y pecas\" \/>\n<meta property=\"og:description\" content=\"Diferencias Cruciales entre Manchas Marrones Comunes y Pecas (Ef\u00e9lides vs. Lentigos) Las manchas marrones que emergen en la piel expuesta al sol se clasifican principalmente como ef\u00e9lides (plural de ef\u00e9lis) o lentigos (plural de lentigo). 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