Micro-Active Sun Serum
SUM37
A lightweight serum-textured sunscreen that provides broad spectrum UV protection while delivering skincare benefits. Formulated for comfortable daily wear with a non-greasy finish.
Sunscreen Details
Chemical
Organic UV filters that absorb UV rays. Lighter texture, no white cast. Some users with skin cancer history prefer to avoid.
SPF
SPF 50
PA Rating
PA++++
White Cast
minimal
Finish
natural
Under Makeup
Yes
Water Resistant
No
Key Ingredients
Emollient and texture enhancer for smooth feel
Humectant and solvent that enhances hydration
+ 15 more ingredients
Ingredient Effectiveness Data
Editorial baseline from K-beauty clinical research and community consensus. Real subscriber reports layer on as the community grows.
More Korean Sunscreens
Frequently Asked Questions
What are the key ingredients in Micro-Active Sun Serum?
The key active ingredients in Micro-Active Sun Serum by SUM37 include Octinoxate (UV filter that absorbs UVB rays), Glycerin (Humectant that attracts and retains moisture), Niacinamide (Vitamin B3) (brightening, pore-minimizing, barrier-support), Ensulizole (Water-soluble UVB sunscreen filter), Bemotrizinol (Broad-spectrum UV filter protecting against UVA and UVB). Drawing on K-beauty research and community consensus, key ingredients show 82% effectiveness for acne in oily skin types. Seoul Sister tracks ingredient effectiveness across 5,900+ K-beauty products to provide data-backed recommendations.
Is Micro-Active Sun Serum good for sensitive skin?
Micro-Active Sun Serum is a Korean sunscreen by SUM37. 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.
Is Micro-Active Sun Serum good for oily skin?
For oily skin, the key factors in evaluating Micro-Active Sun Serum are comedogenic ingredient ratings, oil content, and finish type. This sunscreen contains 6 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.
How much does Micro-Active Sun Serum cost?
Micro-Active Sun Serum by SUM37 starts from $33.50 USD. Seoul Sister tracks pricing at Olive Young, with price drop alerts for Pro members. Seoul Sister does not sell products — we compare retailer pricing so you can buy from the source.
Where to buy Micro-Active Sun Serum?
Micro-Active Sun Serum by SUM37 is tracked at Olive Young. Prices start from $33.50 USD. Seoul Sister verifies retailer authenticity and tracks counterfeit indicators to help you buy genuine Korean skincare products. We are an advice platform and never sell products ourselves.
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