{"product_id":"round-lab-birch-moisturizing-sun-cushion-15g-spf-50-pa-mirai-skin-round-lab-birch-moisturizing-sun-cushion-15g-spf-50-pa","title":"Round Lab Birch Moisturizing Sun Cushion 15g (SPF 50+ PA++++)","description":"\u003ch2\u003eRound Lab Birch Moisturizing Sun Cushion SPF 50+ PA++++: Portable Hydrating Sun Protection\u003c\/h2\u003e\n\u003cp\u003eRound Lab's Birch Juice line is built around white birch sap, a traditional Korean hydration ingredient with meaningful humectant and amino acid content. Extending it to a sun cushion format solves the daily reapplication problem that tanks most people's SPF compliance. A pressed cushion with a high-protection chemical-plus-physical filter blend lets you reapply SPF over makeup throughout the day without the mess or pilling of standard sunscreen re-layering.\u003c\/p\u003e\n\u003cp\u003eSPF 50+ PA++++ is the maximum protection rating available, and a cushion format is not inherently a compromise, provided the pressing is dense and the cushion is loaded (not dry). Round Lab's 15g loading is on the generous side for the category. The birch juice base keeps the finish dewy rather than dry-matte, which suits combination and dry skin but may feel too luminous for very oily skin in summer humidity.\u003c\/p\u003e\n\u003ch3\u003eWhat It Does\u003c\/h3\u003e\n\u003cp\u003eBroad-spectrum UV filters deliver SPF 50+ UVB protection and PA++++ UVA protection. The birch-juice base hydrates during reapplication, counteracting the drying effect most reapply products have on makeup. The puff press distributes product evenly, preventing streaking on foundation or concealer. Practical outcome: consistent SPF layer throughout the day with skin looking fresher rather than caked.\u003c\/p\u003e\n\u003ch3\u003eWho It's For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMakeup wearers needing mid-day SPF reapply:\u003c\/strong\u003e Primary target.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCombination or dry skin:\u003c\/strong\u003e Dewy finish suits less oily types.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutdoor workers and commuters:\u003c\/strong\u003e Compact for bag carry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMature skin with dry zones:\u003c\/strong\u003e Hydrating cushion avoids the drying feel of powder SPF.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTravel use:\u003c\/strong\u003e TSA-friendly size, no spill.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVolume: 15g (cushion format)\u003c\/li\u003e\n\u003cli\u003ePrice: $21.17\u003c\/li\u003e\n\u003cli\u003eSPF: 50+\u003c\/li\u003e\n\u003cli\u003ePA: ++++\u003c\/li\u003e\n\u003cli\u003eHero ingredient: white birch sap\u003c\/li\u003e\n\u003cli\u003eFinish: dewy-natural\u003c\/li\u003e\n\u003cli\u003eFormat: cushion with puff applicator\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003cp\u003eFor initial morning SPF: apply a full layer of traditional sunscreen first (the cushion is not sufficient as a standalone first layer; cushions never deliver a full 2mg\/cm² dose in practice). Use the cushion to reapply every 2 to 3 hours during sun exposure, or touch-up over makeup. Press the puff onto the cushion 2 to 3 times, then pat across face in overlapping sections. Do not rub.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003ch4\u003eIs this enough SPF on its own?\u003c\/h4\u003e\n\u003cp\u003eFor reapplication: yes. For the first morning layer: no. Cushion application does not reach the 2mg\/cm² density required for labeled SPF. Always apply a full layer of traditional sunscreen first in the morning, then use the cushion to top up.\u003c\/p\u003e\n\u003ch4\u003eWill it pill over makeup?\u003c\/h4\u003e\n\u003cp\u003eRarely, because the cushion-pat method avoids the rubbing that causes pilling. If pilling happens, the usual cause is too much serum underneath. Apply over set makeup, pat gently.\u003c\/p\u003e\n\u003ch4\u003eHow long does 15g last?\u003c\/h4\u003e\n\u003cp\u003eWith daily reapply through summer: 2 to 3 months. Occasional use: 4 to 6 months.\u003c\/p\u003e\n\u003ch4\u003eAre refills available?\u003c\/h4\u003e\n\u003cp\u003eYes. Round Lab sells refill cartridges separately, which cuts cost significantly. The outer compact is reusable.\u003c\/p\u003e\n\u003ch4\u003eHow does this compare to Innisfree No-Sebum or Laneige Cushion Sun?\u003c\/h4\u003e\n\u003cp\u003eInnisfree targets oilier skin with a matte finish. Laneige is hydrating but pricier per gram. Round Lab sits in the middle: hydrating like Laneige, priced closer to Innisfree. For combo\/dry skin, Round Lab is the best value.\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003ePair with any Korean full-coverage sunscreen for the morning first layer. Browse the full Round Lab collection.\u003c\/p\u003e\n","brand":"mirai-skin","offers":[{"title":"Default Title","offer_id":51741228728608,"sku":"53812869202292","price":8.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/8333\/4432\/files\/09e0bfb111cbe69d3e079a7543442cc6.webp?v=1779697308","url":"https:\/\/usmirai-skin.com\/products\/round-lab-birch-moisturizing-sun-cushion-15g-spf-50-pa-mirai-skin-round-lab-birch-moisturizing-sun-cushion-15g-spf-50-pa","provider":"usmirai-skin.com","version":"1.0","type":"link"}