{"product_id":"round-lab-birch-moisturizing-mild-up-sunscreen-50ml-spf-50-pa","title":"Round Lab Birch Moisturizing Mild-Up Sunscreen 50ml (SPF 50+ PA++++)","description":"\u003ch2\u003eRound Lab Birch Moisturizing Mild-Up Sunscreen: Birch-Forward Daily SPF for Sensitive Skin\u003c\/h2\u003e\n\n\u003cp\u003eRound Lab's Birch Moisturizing Mild-Up Sunscreen pairs SPF 50+ PA++++ protection with birch juice as the hero supporting ingredient. Birch juice (the sap collected from birch trees, a traditional Korean ingredient) contains amino acids, minerals, and natural xylitol, and is marketed for its skin-conditioning effects. Combined with the sensitive-skin SPF formulation, this is positioned as a daily sunscreen for combination to dry skin that doesn't tolerate typical SPF well.\u003c\/p\u003e\n\n\u003cp\u003eAt 50ml for $27.01, this is competitive pricing for Korean daily SPF. The \"Mild-Up\" naming signals Round Lab's focus on gentle formulation. Round Lab has built a reputation on sensitive-skin-first K-beauty, and their SPF range fits the pattern: minimal fragrance, chemical filter system that doesn't overwhelm reactive skin, moisturizing supporting cast.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It Does\u003c\/h3\u003e\n\u003cp\u003eKorean-approved UV filter system blocks UVA\/UVB to SPF 50+ PA++++. Birch juice provides mineral and amino acid-rich skin conditioning during wear. Hyaluronic acid and panthenol support hydration and barrier. The result: a SPF that also conditions and hydrates, particularly useful for dry-sensitive skin that often gets stripped by generic sunscreens.\u003c\/p\u003e\n\n\u003ch3\u003eWho It's For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDry or sensitive skin:\u003c\/strong\u003e Moisturizing formulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaily sensitive-skin SPF:\u003c\/strong\u003e Reactive skin friendly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRound Lab routine users:\u003c\/strong\u003e Coordinates with other Round Lab products.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBirch juice fans:\u003c\/strong\u003e Traditional Korean skincare ingredient.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-mattifying SPF preference:\u003c\/strong\u003e Semi-dewy finish.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVolume: 50ml\u003c\/li\u003e\n\u003cli\u003ePrice: $27.01\u003c\/li\u003e\n\u003cli\u003eSPF: 50+ PA++++\u003c\/li\u003e\n\u003cli\u003eHero supporting: birch juice, hyaluronic acid, panthenol\u003c\/li\u003e\n\u003cli\u003eFinish: semi-dewy, no white cast\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003cp\u003eFinal step of AM routine. Apply a two-finger length across face, including neck. Wait 2 minutes before makeup. Reapply every 2 to 3 hours of sun exposure.\u003c\/p\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\n\u003ch4\u003eHow does this compare to Beauty of Joseon Relief Sun?\u003c\/h4\u003e\n\u003cp\u003eBoth are sensitive-skin-friendly Korean daily SPFs. Beauty of Joseon leads on rice extract and tan bark. Round Lab leads on birch juice. Similar category, different ingredient focus. Both work well for dry-sensitive skin.\u003c\/p\u003e\n\n\u003ch4\u003eIs it reef-safe?\u003c\/h4\u003e\n\u003cp\u003eKorean-approved filter combinations typically avoid oxybenzone and octinoxate. Generally considered reef-friendlier than conventional US sunscreens.\u003c\/p\u003e\n\n\u003ch4\u003eDoes it leave a white cast?\u003c\/h4\u003e\n\u003cp\u003eMinimal. Chemical\/hybrid filters avoid heavy white cast on most skin tones. Deep skin tones should patch test.\u003c\/p\u003e\n\n\u003ch4\u003eHow long does 50ml last?\u003c\/h4\u003e\n\u003cp\u003e2 to 3 months with daily face application.\u003c\/p\u003e\n\n\u003ch4\u003eCan it replace my moisturizer?\u003c\/h4\u003e\n\u003cp\u003eFor combination or dry skin: may work as a standalone. For oily skin: you may need a separate lightweight moisturizer first.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003ePair with \u003ca href=\"\/he\/products\/round-lab-pine-calming-cica-cream-50ml\"\u003eRound Lab Pine Calming Cica Cream\u003c\/a\u003e or browse Korean sensitive-skin sunscreens.\u003c\/p\u003e\n","brand":"Round Lab","offers":[{"title":"Default Title","offer_id":53812868776308,"sku":"6383236800","price":27.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0899\/8862\/8852\/files\/product_images_1723376502.birch-moisturizing-mild-up-sunscreen-spf-50-pa-round-lab-11767800917.jpg?v=1767801047","url":"https:\/\/www.mirai-skin.com\/he\/products\/round-lab-birch-moisturizing-mild-up-sunscreen-50ml-spf-50-pa","provider":"Mirai Skin","version":"1.0","type":"link"}