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Numbuzin's #1 product (in name and reputation) — an SPF50+ PA++++ sun essence that's 49.8% calming plant extracts (heartleaf + cica + licorice). The texture is barely-there (sunscreen-as-essence is a real K-beauty subgenre at this point), the finish is genuinely clear with no cast, and it doubles as a calming serum for the most reactive skin. One of the rare 'cosmeceutical-with-SPF' products that actually delivers on both.
Centella Asiatica
4/5 evidence
soothing, wound healing
Niacinamide
5/5 evidence
brightening, pore minimizing
Licorice Root (Glycyrrhiza glabra)
4/5 evidence
brightens, calms inflammation
Heartleaf (Houttuynia Cordata)
4/5 evidence
calms redness, fights blemish-causing bacteria
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Noise Filter
The essence step is confusing on purpose — brands want you to believe theirs is special. The truth: there are three essence archetypes, and your skin type tells you which one.
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Guide
Heartleaf (eo-jil-cho) was the traditional Korean tea grandmothers brewed for inflammation. In 2022, Anua put 77% of it in a toner and the entire global K-beauty category pivoted. Here's the science, the story, and why it earned the hype.
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Guide
Propolis isn't a single ingredient — it's a category that varies dramatically by geographic source. Korean propolis (collected from Korean poplar resin) and Brazilian green propolis are flavonoid-rich and built around CAPE (caffeic acid phenethyl ester); European propolis is poplar-resin-based with a different antioxidant profile. K-beauty brands like Cosrx, Beauty of Joseon, By Wishtrend, and CNP have built propolis-led lines that prove the geographic source matters.
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No.1 Clear Filter Sun Essence by Numbuzin is formulated for sensitive, combination, normal, dry skin. Numbuzin's #1 product (in name and reputation) — an SPF50+ PA++++ sun essence that's 49.8% calming plant extracts (heartleaf + cica + licorice). The texture is barely-there (sunscreen-as-essence is a real K-beauty subgenre at this point), the finish is genuinely clear with no cast, and it doubles as a calming serum for the most reactive skin. One of the rare 'cosmeceutical-with-SPF' products that actually delivers on both.
The key active ingredients in No.1 Clear Filter Sun Essence are Centella Asiatica, Niacinamide, Licorice Root (Glycyrrhiza glabra), Heartleaf (Houttuynia Cordata). It's known for: 49.8% calming plant extracts — genuinely high concentration and feels like an essence, not a sunscreen.
Yes, No.1 Clear Filter Sun Essence targets sensitivity, dryness, redness. 49.8% calming plant extracts — genuinely high concentration
No.1 Clear Filter Sun Essence retails for around $22, which places it in the mid range for sunscreens. Check the "Where to Buy" section above for current retailer prices.
The main drawbacks to be aware of: essence texture means less mechanical protection — re-apply diligently; European filters limit US distribution; premium-mid price.
A suggested daily routine featuring this product, with complementary picks.
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No.5 Vitamin-Niacinamide Concentrated Pad
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Dr. Ceuracle · essence
No.7 Radiance PDRN Serum
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No.9 NAD+ PDRN Lifting Cream
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No.1 Clear Filter Sun Essence
Numbuzin · sunscreen
