{"id":25730,"date":"2026-07-26T14:58:36","date_gmt":"2026-07-26T12:58:36","guid":{"rendered":"https:\/\/www.beautydecoded.com\/?p=25730"},"modified":"2026-07-24T15:01:25","modified_gmt":"2026-07-24T13:01:25","slug":"here-are-the-key-ingredients-to-protect-your-skin-from-the-sun-and-the-ones-to-avoid","status":"publish","type":"post","link":"https:\/\/www.beautydecoded.com\/en\/here-are-the-key-ingredients-to-protect-your-skin-from-the-sun-and-the-ones-to-avoid\/","title":{"rendered":"These star ingredients in your skincare routine can become risky in the summer"},"content":{"rendered":"
\"\"
Credit: @envato<\/figcaption><\/figure>\n\n\n\n

Every summer, the same scenario plays out. A routine that\u2019s perfectly tailored for winter suddenly becomes irritating, uncomfortable, and sometimes downright counterproductive. It\u2019s all because of one factor that changes everything: UV exposure.<\/p>\n\n\n\n

\ud83d\udccc\u00a0See also:<\/strong>\u00a0Best Vitamin C Serums<\/a><\/p>\n\n\n\n

Some assets then become your best allies. Others, despite their excellent reputation, should be paused or shifted at some point during the day. Here\u2019s how to sort them out.<\/p>\n\n\n\n

The rule that takes precedence over all others: the SPF<\/h4>\n\n\n\n

No serum, no antioxidant, and no formula can make up for the lack of sun protection. UVA rays penetrate all the way to the dermis and break down collagen and elastin. This is the central mechanism of photoaging, and it occurs even on cloudy days and even through glass.<\/p>\n\n\n\n

A broad-spectrum SPF 50+ sunscreen, applied in sufficient quantity (about 2 mg\/cm\u00b2, or two fingers\u2019 worth for the face and neck) and reapplied every two hours during direct sun exposure. Everything else is just fine-tuning.<\/p>\n\n\n\n

Assets to retain\u2014and even strengthen<\/h4>\n\n\n\n

Vitamin C (in the morning, under your SPF).<\/strong> It does not replace sunscreen, but it neutralizes some of the free radicals generated by UV rays that the sunscreen filter allows to pass through. When combined with vitamin E and ferulic acid, its stability and effectiveness increase significantly. It is the logical complement to sunscreen, not a substitute for it.<\/p>\n\n\n\n

Niacinamide.<\/strong> Versatile and remarkably well-tolerated. It strengthens the skin barrier, regulates sebum production (helpful when heat causes the skin to shine), and limits the transfer of melanin to surface cells. In other words, it helps keep pigment spots\u2014which tend to flare up in the summer\u2014under control.<\/p>\n\n\n\n

Hyaluronic acid and ceramides.<\/strong> Summer dehydration is a real issue: sun, air conditioning, salt, and chlorine. Dehydrated skin often produces more sebum to compensate. A lightweight yet properly moisturizing formula helps break this vicious cycle.<\/p>\n\n\n\n

Assets to Be Handled with Caution<\/h4>\n\n\n\n

Retinoids (retinol, retinal, tretinoin).<\/strong> Contrary to a widespread misconception, they do not make the skin photosensitive in the strict sense of the term. However, they do accelerate cell turnover and temporarily weaken the skin barrier. The skin becomes thinner and more reactive, reddening and peeling more easily. During peak sun exposure, reduce the frequency of use or stop altogether, even if that means resuming in September.<\/p>\n\n\n\n

High-concentration AHAs (glycolic, lactic).<\/strong> Same logic applies. A 10 % glycolic acid peel the day before a day at the beach is a bad idea. Chemical peels are still possible in the summer, provided you space them out and use lower concentrations.<\/p>\n\n\n\n

Citrus essential oils (bergamot, lemon, bitter orange).<\/strong> These plants pose a real problem: they contain furocoumarins, photosensitizing molecules that can cause phytophotodermatitis\u2014characterized by burns and streaky brown spots. Avoid them entirely before sun exposure, without exception.<\/p>\n\n\n\n

After-sun lotion isn't just a marketing gimmick<\/h4>\n\n\n\n

Skin that has been exposed to the sun is inflamed, even without visible sunburn. Panthenol, allantoin, aloe vera, centella asiatica: the goal is to soothe and restore, not to treat. Hold off on using harsh ingredients for a few days.<\/p>\n\n\n\n

\n\n\n\n
\n

Beauty Decoded's Review<\/h4>\n\n\n\n

Some people spend 80 euros on an antioxidant serum, then apply a hazelnut-sized amount of sunscreen to their entire face. That doesn\u2019t add up. Sun protection is the only anti-aging measure with unequivocally proven effectiveness; everything else comes second. <\/p>\n\n\n\n

Skin that has been weakened by exfoliation and exposed to UV rays is the perfect breeding ground for long-lasting dark spots, which are often harder to treat than the wrinkles we were trying to correct. <\/p>\n<\/blockquote>\n\n\n\n

What the Beauty Decoded community has to say<\/h4>\n\n\n\n

The app's data is unequivocal on one point: the sunglasses that really stand out are the ones you forget you're wearing.<\/p>\n\n\n\n

Visit Relief Sun Aqua-fresh Rice + B5 SPF 50+<\/strong> Beauty of Joseon has a rating of 5\/5 based on 14 reviews, and its older sibling, the Relief Sun Rice + Probiotics<\/strong>, has a rating of 4.5\/5 based on 72 reviews\u2014one of the highest numbers of reviews in its category. The reason for satisfaction always comes down to the same thing: \u00abFinally, a lightweight yet effective sunscreen\u2014you only need a little, and I love how quickly it absorbs without leaving a greasy film.\u00bb<\/p>\n\n\n\n

As for the pharmacy, the Vichy Capital Soleil UV-Age Daily<\/strong> Rated 4.9\/5 based on 12 reviews, with users reporting they use it daily rather than just at the beach: \u00abIt has a light, fluid texture; I apply it over my day cream, and it doesn\u2019t leave a white cast like some sunscreen products do.\u00bb \u00ab A user with oily, acne-prone skin notes that it \u00bbdoesn\u2019t make the skin oily.\u201d.<\/p>\n\n\n\n

Visit Water-Fit Sun Serum by Skin1004<\/strong> (4.9\/5, 22 reviews) and the Ultra Light Invisible by Cosrx<\/strong> (4.6\/5) confirm the trend: invisible finish, compatible with makeup. However, there\u2019s one honest caveat regarding Skin1004: \u00abBe careful\u2014it stung my eyes when I applied it too close to my eye.\u00bb \" This is a common drawback of chemical sunscreens\u2014something to be aware of before buying.\".<\/p>\n\n\n\n

Regarding antioxidants, the C Glow by Geek and Gorgeous<\/strong> (4.8\/5, 48 reviews) stands out for its value for money, even though not all reviews agree: \u00abPleasant texture, but I didn\u2019t like the effect on my skin\u2014it was a little greasy\u2014and I didn\u2019t see any results.\u00bb \u201d It\u2019s worth noting that a scientifically validated active ingredient doesn\u2019t work the same way on all skin types.<\/p>\n\n\n\n

Finally, when it comes to sensitive assets, users apply the principle of prudence on their own. On the Glycolic Acid 7% by The Ordinary<\/strong> (4.9\/5, 45 reviews): \u00abI use it once a week.\u00bb And on the Retinal 0.2% by The Ordinary<\/strong> (4.9\/5, 32 reviews): \u00abBe careful to use it gently, or you risk irritating your skin.\u00bb<\/p>\n\n\n\n

Break Down Your Summer Routine<\/h4>\n\n\n\n

Is your sunscreen truly broad-spectrum? Does your nighttime serum contain an active ingredient you should stop using this summer? Application Beauty Decoded<\/strong> is free on iOS and Android: scan your products, get a complete breakdown of their ingredients, and compare them to reviews from a community that tests them under real-world conditions.<\/p>\n\n\n\n

<\/div>
<\/div>
<\/div><\/div><\/div>
<\/div>
<\/div>
See this post on Instagram<\/div><\/div>
<\/div>
<\/div>
<\/div>
<\/div><\/div>
<\/div>
<\/div><\/div>
<\/div>
<\/div>
<\/div><\/div><\/div>
<\/div>
<\/div><\/div><\/a>

A publication shared by Beautydecoded (@skincaredecoded)<\/a><\/p><\/div><\/blockquote>","protected":false},"excerpt":{"rendered":"

Every summer, the same scenario plays out. A routine that\u2019s perfectly tailored for winter suddenly becomes irritating, uncomfortable, and sometimes downright counterproductive. It\u2019s all due to one factor that changes everything: UV exposure. \ud83d\udccc See also: Best Vitamin C Serums Some active ingredients then become your best allies. Others, despite their excellent reputation, deserve to be\u2026<\/p>","protected":false},"author":120,"featured_media":74821,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-25730","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites"],"acf":[],"taxonomy_info":{"category":[{"value":1,"label":"Actualites"}]},"featured_image_src_large":["https:\/\/www.beautydecoded.com\/wp-content\/uploads\/2025\/06\/smiling-woman-in-floral-dress-posing-outdoors-2026-01-07-06-53-26-utc-copie-1024x683.jpg",1024,683,true],"author_info":{"display_name":"Sylvain David","author_link":"https:\/\/www.beautydecoded.com\/en\/author\/beautydecoded\/"},"comment_info":0,"category_info":[{"term_id":1,"name":"Actualites","slug":"actualites","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":322,"filter":"raw","cat_ID":1,"category_count":322,"category_description":"","cat_name":"Actualites","category_nicename":"actualites","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/posts\/25730","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/users\/120"}],"replies":[{"embeddable":true,"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/comments?post=25730"}],"version-history":[{"count":15,"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/posts\/25730\/revisions"}],"predecessor-version":[{"id":74824,"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/posts\/25730\/revisions\/74824"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/media\/74821"}],"wp:attachment":[{"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/media?parent=25730"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/categories?post=25730"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/tags?post=25730"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}