
Round Lab
A portable stick sunscreen formulated with birch tree sap to provide hydrating sun protection on-the-go. Ideal for convenient reapplication throughout the day without disrupting makeup.
Under Makeup
Yes
UV filter type (chemical vs physical) is not verified for this product. If you need to avoid specific filters for medical reasons, check the ingredient list at the retailer before purchasing.
Lightweight emollient and skin conditioning agent
Emollient and non-greasy texture enhancer
Emollient and texture enhancer
Emollient and skin conditioning agent
+ 15 more ingredients
The key active ingredients in Birch Juice Moisturizing Sun Stick by Round Lab include Uvinul A Plus (UV filter protecting against UVA rays), Ethylhexyl Triazone (UV filter providing broad-spectrum sun protection), Niacinamide (Vitamin B3) (brightening, pore-minimizing, barrier-support), Polysilicone-15 (UV filter that protects against UVB radiation), Bemotrizinol (Broad-spectrum UV filter protecting against UVA and UVB). Seoul Sister tracks ingredient effectiveness across 5,800+ K-beauty products to provide data-backed recommendations.
Birch Juice Moisturizing Sun Stick is a Korean sunscreen by Round Lab. Sensitive skin compatibility depends on individual triggers and allergies. Seoul Sister's AI advisor Yuri analyzes all 20 ingredients against your specific skin type, concerns, and known allergens to provide a personalized compatibility score. Common irritant ingredients like fragrance, alcohol denat, and essential oils are flagged automatically.
For oily skin, the key factors in evaluating Birch Juice Moisturizing Sun Stick are comedogenic ingredient ratings, oil content, and finish type. This sunscreen contains 11 active ingredients. Seoul Sister's database cross-references each ingredient's comedogenic rating (0-5 scale) against your skin type to identify potential pore-clogging risks. Subscribe for a personalized oily skin compatibility analysis.
Birch Juice Moisturizing Sun Stick by Round Lab starts from $48.00 USD. Seoul Sister Pro members compare prices across 6+ authorized retailers including Olive Young, Soko Glam, and YesStyle to find the best deal, with automatic price drop alerts.
Birch Juice Moisturizing Sun Stick by Round Lab is available from authorized K-beauty retailers including Olive Young Global, Soko Glam, YesStyle, and Amazon. Prices start from $48.00 USD. Seoul Sister verifies retailer authenticity and tracks counterfeit indicators to help you buy genuine Korean skincare products.
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