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🛡️ Glow Protected, Naturally Perfected!
ROUND LAB Birch Juice Mild-up UV LOCK SPF 50+ is a lightweight, mineral-based Korean sunscreen featuring non-nano zinc oxide for broad spectrum UVA/UVB protection. Enriched with birch sap for deep hydration and free from 19 harsh chemicals, it’s clinically tested, fragrance-free, and ideal for sensitive skin. This oil-controlling, non-comedogenic formula blends effortlessly under makeup, making it the go-to daily shield for professionals who demand effective sun defense without compromise.
























| ASIN | B0DK4MXPMD |
| Active Ingredients | Hyaluronic Acid, hyaluronic_acid |
| Additional Features | Infused with Birch Sap for Deep Hydration, Free of 19 Harsh Ingredients, Clinically Tested for Safety, Mineral-Based UV Filter, Fragrance-Free |
| Age Range Description | Adult |
| Best Sellers Rank | #10,678 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #102 in Facial Sunscreens #1,488 in Facial Skin Care Products |
| Brand Name | ROUND LAB |
| Customer Reviews | 4.3 out of 5 stars 733 Reviews |
| Item Dimensions | 5 x 1 x 1 inches |
| Item Form | Cream |
| Item Volume | 50 ml |
| Item Weight | 49.99 g |
| Manufacturer | KOLMAR KOREA |
| Manufacturer Part Number | RU02G0019 |
| Number of Items | 1 |
| Package Size Name | 50ml |
| Product Benefits | SPF 50+ broad spectrum UVA/UVB protection, reef safe, controls oil and sebum, suitable for sensitive skin, non-comedogenic, and easy to apply. Product Benefits SPF 50+ broad spectrum UVA/UVB protection, reef safe, controls oil and sebum, suitable for sensitive skin, non-comedogenic, and easy to apply. See more |
| Recommended Uses For Product | daily wear, outdoor activities, beach/pool use, hiking/camping, sensitive skin |
| Scent | Unscented |
| Scent Name | Unscented |
| Skin Tone | All |
| Skin Type | All |
| Sun Protection Factor | 50 sun_protection_factor |
| Unit Count | 1.69 Fluid Ounces |
| Water Resistance Level | Water Resistant |
A**Z
Great mineral sunscreen
This sunscreen definitely would leave a white cast on darker skin I’m quite sure but if you have light skin it blends very well. Love this stuff… go to daily sunscreen
A**E
Good wear
Love this sunscreen. No white cast. No piling. Good under my light makeup of concealer, blush and powder.
C**F
Great for Oily Skin, No Lasting White Cast
I have very oily skin, and I’ve tried many sunscreens, but this one is my favorite so far. As a tan girl, I was a little worried at first because when I applied it, there was a slight white cast. However, it disappeared quickly and blended beautifully into my skin. It leaves my face smooth, comfortable, and not greasy at all. It feels lightweight, sits well on the skin, and doesn’t make me look shiny or heavy throughout the day. I also love how gentle it feels—no irritation for my sensitive, oily skin. If you struggle with oily skin and want a sunscreen that looks good after application, this one is definitely worth trying.
S**E
Good Ingredients Focus, But Feels Oily on My Skin
I’ve been using this sunscreen for about 4 days, and I have mixed feelings about it. I have naturally oily skin, and this product definitely adds to that. It feels a bit heavy after application and doesn’t absorb as cleanly as I would like for everyday use. If you already have oily skin, this may not be the most comfortable option, especially in warmer weather. On the positive side, there is no white cast at all, which is great, and I didn’t experience any irritation or itching. It feels gentle on the skin, which I appreciate. One thing that frustrated me is the confusion around this product. I originally bought it thinking it had a high rating on the Yuka app due to clean ingredients, but later realized there is another product from the same brand with very similar packaging that actually has that rating. That can be misleading for buyers who care about ingredients. I do hope the brand moves toward making all of their products more health-conscious. After all, health should come before beauty - if we can protect our overall health, that matters more than just protecting the skin. Overall, it’s not a bad sunscreen, but for oily skin types and for those specifically looking for top-rated clean formulations, it may not fully meet expectations.
R**I
Phenomenal
Has a slight white cast but it’s super light and easily absorbed by the skin. If you have fair skin it’s perfect but with some tones like olive skin or brownish would show the white cast.
M**O
Easily absorbed and doesn’t leave a greasy trace
Absorbs evenly without leaving a greasy feeling. I’d used tallow sunscreen before I recently tried this product, and this one spread evenly whereas tallow sunscreen needs to be rubbed in longer before it is absorbed. My face feels moisturized and my skin is protected, it’s a win.
A**I
Leaves a white cast :(
I rarely give a one star review but I am highly disappointed in this product! I had used this brand that I bought when I traveled to South Korea in 2025, so I was happy to see that Amazon carries it once it ran out. But to my unfortunate surprise this particular product leaves a terrible white cast when I applied, as I am a black girl. I find I have to go over it with moisturizer to reduce the whiteness of it, this is not the same product like the one I bought from South Korea and I’m so sad because I was so happy to find a Korean brand here that is great for my brown skin, that completely blends into my skin. I will not be buying again!
R**Z
Great Oil Control, but Leaves a White Cast
I’ve always been very picky when it comes to sunscreen because most of them leave my skin feeling greasy. I already have oily skin, so I try to avoid products that make my face look extra shiny. Honestly, this product has been great at controlling oil while still providing good sun protection. The only downside, in my opinion, is that it does leave a white cast. Other than that, I really like it.
F**I
Horrible
So bad ruins makeup and leaves white cast
E**N
Love
I have type 2 Rosacea, with dry, sensitive, and reactive skin. I was on the hunt for a mineral sunscreen that wouldn't trigger my skin. This works great for my skin! Probably would leave a white cast on darker skin tones, but I'm already pale, so it's not an issue for me. Not super moisturizing, but not super drying either Works well under makeup as well. I just put it on awhile before I need to do make up and let it absorb in completely. So far I love it!
M**A
Bloqueador con buena absorción, sensación y acabado
La textura del bloqueador es agradable, he sentido que da uniformidad al tono de la piel y no hace efecto de borrador, no tiene olor y tiene una sensación refrescante. Me ha gustado mucho!
N**A
Excelente protector solar mineral 👌
Update: Al principio no había valorado que buen protector solar es este. Pero la realidad es que es el mejor protector solar mineral, honestamente. Sí lo recomiendo.
C**E
Acne-friendly Spf! Definitely recommend :)
I am really impressed so far with this sunscreen. I’ve been looking for a good spf and came across this one, so far so good! This is a mineral-based sunscreen which is recommended for those who have sensitive/acne prone skin. I have sensitive/acne prone/oily skin and this product has not broke me out. It leaves no white cast, doesn’t pill, and no scent. It’s the perfect base for your makeup! Leaves my skin feeling very soft and smooth with a subtle matte finish. Not greasy or too heavy, a little goes a long way! I would recommend this product to anyone who is looking for a good acne-friendly/ sensitive mineral-based spf. :)
Trustpilot
2 months ago
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