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★★★★★ 4.7 · 1,000+ sold

COZA™ Anti-Aging SPF50 Birch Juice Serum

Lightweight, zero white cast
SPF50 protection + anti-aging care
Hydrates deeply, all day long
 
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[Anti-aging SPF50] Coza Birch Juice Moisturizing Sun Serum 50ml

[Anti-aging SPF50] Coza Birch Juice Moisturizing Sun Serum 50ml

Regular price $34.95
Regular price $34.95 Sale price $69.95
SAVE 50% Sold out
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About this item

[EDITOR-LOVED FORMULA, DAILY-WEAR APPROVED] Formulated to rival top-rated facial sunscreens — hydrating yet lightweight, with zero white cast and a skin-soothing finish. Ideal for daily use, even under makeup.

[LIGHTWEIGHT TEXTURE WITH NO WHITE CAST] The non-greasy, essence-like texture glides on seamlessly, leaving no white cast and a smooth, natural finish. Makeup-friendly and breathable, it forms a protective UV barrier without clogging pores or feeling heavy.

[FEELS LIKE NOTHING, BLOCKS EVERYTHING WITH SPF50] A weightless, hydrating serum with broad-spectrum SPF50 that feels like nothing on your skin. Infused with Birch Juice extract for enhanced moisture, it delivers a smooth, dewy finish with no white cast and no greasiness — while keeping skin deeply hydrated all day.

[SKINCARE MEETS SUNCARE] Enriched with antioxidant-rich Birch Juice, this formula works like a skincare step — refreshing and revitalizing the skin while supporting anti-aging. Helps improve the look of elasticity and smoothness, leaving skin luminous, refreshed, and visibly healthier over time.

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Features & Specs

  • Product Benefits:-Anti-Aging, Hydrating, Moisturizing, Soothing, UV Protection
  • Sun Protection Factor:-SPF 50
  • Skin Type:-All
  • Item Form:-Serum
  • Additional Features:-Zero White Cast
  • Skin Tone:-All
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    Why customers love it

    Every feature of the Roundlab Birch Juice Sun Serum, designed to protect and transform your skin.

    Reduces redness

    Calms visible redness and blemishes with consistent daily use.

    Lightweight formula

    A weightless, fast-absorbing serum that layers perfectly under makeup.

    Visibly clearer skin

    Leaves skin calmer, more hydrated, and noticeably smoother in as little as 2 weeks.

     
     

    FAQs

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    What is the COZA Sun Serum made of?

    Formulated with Birch Juice extract, hyaluronic acid, and broad-spectrum SPF50 filters — designed to hydrate, protect, and support anti-aging in one lightweight formula.

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    Does it leave a white cast?

    No — it's formulated for zero white cast, with a smooth, natural finish that blends seamlessly into all skin tones.

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    What skin types is it suitable for?

    It's suitable for all skin types, including sensitive skin, thanks to its gentle, non-irritating formula.

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    How much SPF protection does it offer?

    SPF50 with broad-spectrum UVA/UVB protection — ideal for daily sun protection

    Sunscreen That Feels Like Skincare

    Most sunscreens sit heavy or leave a white cast. Roundlab's Birch Juice formula absorbs instantly, hydrates deeply, and protects with SPF50 — so it feels like a serum, not sunscreen.

    One Step, Two Jobs: Protect & Reverse

    Why choose between sun protection and anti-aging care? Roundlab combines SPF50 defense with Birch Juice antioxidants to shield your skin today and improve elasticity over time.

    Hydration That Lasts All Day

    Infused with hyaluronic acid and Birch Juice extract, Roundlab keeps skin dewy and nourished from morning application through your whole day.

    Trusted By Thousands Of Happy Customers

    Real people are choosing our Roundlab Birch Juice Serum for sun care that's as gentle as it is effective

    99%

    said their skin felt hydrated with zero white cast after first use.

    95%

    loved how lightweight and comfortable it felt under makeup all day.

    98%

    would recommend it to a friend looking for daily sun protection.