{"id":232028,"date":"2026-07-04T16:27:48","date_gmt":"2026-07-04T14:27:48","guid":{"rendered":"https:\/\/www.parisselectbook.com\/2026\/07\/04\/kerastase-unveils-blonde-guard-spray-a-shield-that-blocks-99-of-environmental-damage-and-protects-blonde-hair-all-summer-long\/"},"modified":"2026-07-04T16:27:48","modified_gmt":"2026-07-04T14:27:48","slug":"kerastase-unveils-blonde-guard-spray-a-shield-that-blocks-99-of-environmental-damage-and-protects-blonde-hair-all-summer-long","status":"publish","type":"post","link":"https:\/\/www.parisselectbook.com\/en\/2026\/07\/04\/kerastase-unveils-blonde-guard-spray-a-shield-that-blocks-99-of-environmental-damage-and-protects-blonde-hair-all-summer-long\/","title":{"rendered":"K\u00e9rastase unveils Blonde Guard Spray, a shield that blocks 99% of environmental damage and protects blonde hair all summer long"},"content":{"rendered":"

Caring for blonde hair<\/strong> requires much more than just the right shampoo. This summer of 2026<\/a>, K\u00e9rastase is expanding its Blond Absolu line with a new treatment designed to address the specific challenges of blonde hair, whether natural or bleached.<\/p>\n

What Bleaching Really Does to the Hair Fiber<\/h2>\n

Bleaching opens the hair cuticles. As a result, the hair shaft becomes drier, more brittle, and more fragile in everyday life. Bleached hair<\/strong><\/a> is thus more susceptible to damage and loses its shine more quickly. <\/p>\n

In addition, damaged hair tends to take on coppery or yellowish tones. This applies to polar blonde, honey blonde, ash blonde, and even simple highlights. Yet many people don\u2019t think to protect their hair color outside the salon<\/a>. <\/p>\n

As summer arrives, the risks increase. Chlorine from swimming pools, sea salt, UV rays<\/a>, and heat accelerate hair damage and cause the shade to fade more quickly. Blonde hair<\/strong> therefore needs active protection, not just a standard nourishing treatment. <\/p>\n

A spray that works from the very first use<\/h3>\n

K\u00e9rastase\u2019s Blonde Guard Spray<\/strong>, part of the Blond Absolu line, directly addresses these issues. It blocks 99% of external aggressors<\/strong>, including heat, UV rays, and chlorine. It reduces damage by 43% after the very first use<\/strong> and protects the hair shaft from the heat of styling tools up to 230 \u00b0C<\/strong>. <\/p>\n

From the very first use, hair is easier to detangle, softer, and shinier. This treatment is suitable for all hair types: straight, wavy, curly, or kinky. It works just as well on fully bleached hair as it does on hair with just a few highlights or balayage. <\/p>\n

The Blonde Guard Spray Formula: Three Key Active Ingredients You Should Know About<\/h2>\n

This spray relies on a combination of targeted active ingredients to act on multiple levels of the hair shaft. Here\u2019s what each ingredient specifically does for blonde hair<\/strong>: <\/p>\n

    \n
  • Dual-molecular-weight hyaluronic acid<\/strong>: the lighter molecule penetrates deeply to strengthen the fiber, while the heavier molecule smooths the surface, plumps the skin, and locks in moisture.<\/li>\n
  • Vitamin C<\/strong>: This active ingredient strengthens the hair shaft and protects it from external aggressors.<\/li>\n
  • Vitamin E<\/strong>: Thanks to its antioxidant properties, it combats oxidation and prevents the appearance of unwanted highlights.<\/li>\n<\/ul>\n

    This combination therefore helps strengthen the hair, hydrate it, and preserve its color. It\u2019s a threefold benefit that few leave-in treatments offer in a single product. <\/p>\n

    K\u00e9rastase, a leader in hair care since 1964<\/h3>\n

    Launched in 1964, K\u00e9rastase has established itself as a leading brand in hair care. Both professionals and consumers trust it to address a wide variety of hair concerns. The Blond Absolu line builds on this legacy of expertise, with products designed to protect, repair, and preserve damaged blonde hair<\/strong>. <\/p>\n

    The Blonde Guard Spray thus strengthens an already well-established product line. It addresses a specific need, especially during the summer months, when environmental stressors increase and blonde hair suffers more. <\/p>\n

    Two more Blond Absolu products to use with the Blonde Guard Spray<\/h2>\n

    To take blonde hair<\/strong> protection a step further, K\u00e9rastase offers two complementary products in the Blond Absolu line. The first is Bain Ultra-Violet<\/strong>, a shampoo formulated with violet and blue pigments. These pigments neutralize yellow and brassy tones. The edelweiss flower it contains also protects hair from oxidation and pollution, leaving it soft and shiny every day. This product is also suitable for gray hair. <\/p>\n

    The second product is Cicaplasme<\/strong>, a leave-in heat-protective serum. It strengthens the hair shaft and protects against heat styling tools. This treatment is suitable for all types of damaged blonde hair<\/strong>, whether bleached or highlighted. When used together with the Blonde Guard Spray, these two products form a complete routine to preserve the shade and health of blonde hair throughout the summer. <\/p>\n

    So whether your hair is polar, ash, or golden, the K\u00e9rastase Blond Absolu line offers a solution tailored to every type of blonde hair<\/strong>, from the shower to the final brush stroke.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Caring for blonde hair requires much more than just the right shampoo. This summer of 2026, K\u00e9rastase is expanding its Blond Absolu line with a…<\/p>\n","protected":false},"author":15,"featured_media":231224,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[110],"tags":[6907],"quartier":[],"class_list":["post-232028","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-beauty","tag-blond-hair"],"acf":[],"yoast_head":"\nK\u00e9rastase unveils Blonde Guard Spray, a shield that blocks 99% of environmental damage and protects blonde hair all summer long<\/title>\n<meta name=\"description\" content=\"K\u00e9rastase is launching Blonde Guard Spray to protect blonde hair from UV rays, chlorine, and heat up to 230\u00b0C.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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