ROUND LAB Birch Juice Moisturizing UV LOCK SPF 45 Glow Sunscreen
ROUND LAB Birch Juice Moisturizing UV LOCK SPF 45 Glow Sunscreen
Excellent | 5,000+ Happy Customers
Protect and nourish your skin with a daily sunscreen that hydrates as it shields.
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Broad-spectrum SPF 45 protection against UVA & UVB damage
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Deep hydration from birch sap and hyaluronic acid for all-day comfort
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Brightens and evens tone with niacinamide for a radiant finish
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Soothes irritation & redness with calming botanical extracts
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Lightweight, invisible texture — no white cast, greasy feel, or pilling
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Reef-safe & skin-friendly formula, gentle even on sensitive skin
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Round Lab Birch Moisturizing UVLock Sunscreen SPF 45+
What it is
A lightweight, moisturizing sunscreen that offers broad-spectrum UVA & UVB protection (SPF 45), infused with birch sap and skin-nurturing actives. Designed to protect, hydrate, and brighten without leaving white cast — perfect as your daily sun shield.
Why you’ll love it
- 🌿 Dual protection & skincare — shields skin from sun damage while delivering moisturization
- ☀️ Broad spectrum SPF 45 — helps prevent sunburn, early aging, and pigmentation spots
- ✨ Brightening effect — niacinamide and birch sap help even skin tone and calm redness
- 💧 Moisture lock — hyaluronic acid + birch juice to maintain hydration throughout the day
- 🤍 Invisible finish — non-greasy, no white cast; layers well under makeup or alone
- 🌱 Gentle on sensitive skin — formula with calming botanical extracts and minimal irritation
Skin type
✔️ All skin types, especially sensitive, normal-combination, or those prone to redness and discoloration.
Key ingredients
- Birch Sap (Betula Platyphylla Japonica Juice) — rich in enzymes, antioxidants, and minerals to soothe, hydrate, and protect skin.
- Niacinamide — helps with overall tone, reduces redness, brightens, and supports barrier repair.
- Hyaluronic Acid / Sodium Hyaluronate — attracts and holds moisture, giving skin a smooth, plump feel.
- UVA/UVB filters (e.g. Homosalate, Avobenzone, Octisalate) — effective protection against sunburn + premature aging.
How to use
- As the final step in your morning skincare routine, apply generously to all exposed skin (face, neck, ears).
- Blend evenly — pat gently until fully absorbed.
- Reapply every 2 hours if you're outdoors, sweating or after swimming.
Full ingredients
Water, Dibutyl Adipate, Propanediol, Diethylamino Hydroxybenzoyl Hexyl Benzoate, Polymethylsilsesquioxane, Niacinamide, Methylene Bis-Benzotriazolyl Tetramethylbutylphenol, Coco-Caprylate/Caprate, Homosalate, Ethylhexyl Triazone, Glycerin, 1,2-Hexanediol, Butylene Glycol, Betula Platyphylla Japonica Juice (Birch Sap), Sodium Hyaluronate, Hydrolyzed Hyaluronic Acid, Glyceryl Glucoside, Dipotassium Glycyrrhizate, Allantoin, Portulaca Oleracea Extract, Artemisia Annua Extract, Pinus Sylvestris Leaf Extract, Chamomilla Recutita Flower Oil, Tocopherol (Vitamin E), Carbomer, Ethylhexylglycerin, etc
Q: Will this sunscreen leave a white cast?
A: No. The lightweight formula absorbs quickly and leaves an invisible finish, making it ideal for all skin tones and perfect under makeup.
Q: Is it suitable for sensitive skin?
A: Yes. Infused with birch sap, niacinamide, and hyaluronic acid, it soothes, hydrates, and protects without irritation. It’s also formulated to be reef-safe and skin-friendly.
Q: How often should I reapply this sunscreen?
A: For optimal protection, reapply every 2 hours when outdoors, and immediately after swimming, sweating, or towel-drying.
Orders are processed within 1–2 business days. Enjoy Free Tracked Shipping on orders over $25, or choose Tracked Shipping at checkout for just $3.95. Estimated delivery: 5–7 business days.

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