The Rise of Modern Korean Sunscreens: A Deep Dive into Skin1004, Round Lab, and Beauty of Joseon!
Sunscreen is no longer just a beach essential—it has become the cornerstone of modern skincare. Dermatologists consistently emphasize that daily sun protection is the most effective anti-aging and skin-protective step in any routine. In recent years, Korean skincare brands have revolutionized the sunscreen category by combining high UV protection with lightweight textures, skincare ingredients, and elegant finishes.
Among the most talked-about products are Skin1004 Madagascar Centella Hyalu-Cica Water-Fit Sun Serum, Round Lab Birch Moisturizing Sunscreen, and Beauty of Joseon Daily Tinted Fluid Sunscreen. Each of these sunscreens represents a new generation of sun care—where protection meets skincare innovation.
Let’s explore what makes these products stand out and why they are gaining global attention.
Why Sunscreen Is Non-Negotiable
Before diving into specific products, it’s important to understand why sunscreen is essential. Ultraviolet (UV) radiation from the sun comes in two primary forms:
-
UVA rays – Responsible for premature aging, pigmentation, and wrinkles.
-
UVB rays – Cause sunburn and contribute to skin cancer risk.
Daily exposure—even indoors through windows—can lead to long-term damage. Broad-spectrum sunscreens protect against both UVA and UVB rays, helping to prevent:
-
Hyperpigmentation
-
Fine lines and wrinkles
-
Loss of skin elasticity
-
Skin sensitivity
-
Long-term cellular damage
Modern consumers now demand sunscreens that are lightweight, non-greasy, and suitable for layering under makeup—without leaving a white cast.

1. Skin1004 Madagascar Centella Hyalu-Cica Water-Fit Sun Serum
The Skin1004 Madagascar Centella Hyalu-Cica Water-Fit Sun Serum has become a cult favorite among skincare enthusiasts. What sets it apart is its serum-like texture that feels more like skincare than traditional sunscreen.
Key Features
-
SPF50+ PA++++ protection
-
Lightweight, watery texture
-
No white cast
-
Suitable for sensitive skin
Star Ingredients
The product highlights two main ingredients:
Centella Asiatica (from Madagascar) – Known for its calming and healing properties. It helps soothe redness and irritation, making it ideal for sensitive or acne-prone skin.
Hyaluronic Acid – Provides hydration and maintains skin moisture balance, preventing dryness that sometimes accompanies sunscreen use.
Why It Stands Out
Many sunscreens can feel heavy or clog pores. This sun serum absorbs quickly, leaving a dewy finish without stickiness. It is particularly beneficial for people living in humid climates or those who dislike thick formulations.
It also layers well under makeup, making it suitable for daily office wear. For individuals with compromised skin barriers or those using active ingredients like retinol, this sunscreen offers both protection and soothing care.
2. Round Lab Birch Moisturizing Sunscreen
The Round Lab Birch Moisturizing Sunscreen is another highly praised Korean sunscreen that focuses on hydration and comfort.
Key Features
-
Broad-spectrum SPF50+ PA++++
-
Creamy yet lightweight texture
-
Deep hydration support
-
No greasy residue
Hero Ingredient: Birch Sap
The sunscreen contains birch tree sap, known for its hydrating and mineral-rich properties. Birch sap helps maintain moisture levels while supporting the skin’s natural barrier.
Ideal For
This sunscreen is particularly suited for:
-
Dry skin
-
Sensitive skin
-
People living in air-conditioned environments
-
Those who experience tightness after sunscreen application
Texture and Finish
Unlike heavy sun creams, Round Lab’s formula melts into the skin smoothly. It provides a natural glow without looking oily. The moisturizing effect makes it a great option for people who prefer skipping an additional moisturizer during hot weather.
Another major advantage is that it does not sting the eyes—a common complaint with many sunscreens.
3. Beauty of Joseon Daily Tinted Fluid Sunscreen
The Beauty of Joseon Daily Tinted Fluid Sunscreen brings innovation by combining sun protection with a subtle tint. Beauty of Joseon is known for blending traditional Korean herbal ingredients with modern skincare science.
Key Features
-
Broad-spectrum SPF protection
-
Lightweight fluid texture
-
Tinted finish for natural coverage
-
Evens out skin tone
Why Tinted Sunscreen Matters
Tinted sunscreens offer added protection against visible light, which can worsen hyperpigmentation, especially in deeper skin tones. The tint also helps neutralize white cast—a common issue with mineral sunscreens.
Skincare + Makeup Hybrid
This sunscreen acts as:
-
A lightweight base
-
A tone-correcting layer
-
A protective shield
On minimal-makeup days, it can replace foundation or BB cream. It gives a natural, healthy appearance while protecting the skin from sun damage.
Comparing the Three Sunscreens
| Feature | Skin1004 | Round Lab | Beauty of Joseon |
|---|---|---|---|
| Texture | Watery serum | Creamy but light | Fluid tint |
| Best For | Sensitive/acne-prone | Dry/dehydrated | Uneven skin tone |
| Finish | Dewy | Natural glow | Soft tinted coverage |
| Hydration Level | Moderate | High | Light to moderate |
Each sunscreen caters to different skin concerns, making them versatile choices for various users.
Why Korean Sunscreens Are Leading the Market
Korean sunscreen formulations are often praised for:
-
Advanced UV filters
-
Elegant textures
-
Skincare-infused formulas
-
Minimal irritation
-
Layer-friendly consistency
Unlike older sunscreen formulations that were thick and chalky, these products feel like skincare treatments.
How to Use Sunscreen Correctly
Even the best sunscreen won’t work if applied incorrectly. Follow these guidelines:
-
Apply two finger-lengths to the face and neck.
-
Use as the final step in your morning skincare routine.
-
Reapply every 2–3 hours if outdoors.
-
Don’t forget ears, neck, and hands.
Consistency is key. Sunscreen must be used daily—even on cloudy days.
Choosing the Right One for You
If you have sensitive or acne-prone skin, the Skin1004 sun serum may be ideal.
If your skin feels dry or tight, Round Lab’s moisturizing formula can provide extra comfort.
If you prefer minimal makeup and slight coverage, Beauty of Joseon’s tinted sunscreen offers dual benefits.
The Bigger Picture: Sunscreen as Preventative Skincare
Modern skincare focuses on prevention rather than correction. Treatments for pigmentation and aging can be expensive and time-consuming. Daily sunscreen application is the simplest and most cost-effective way to maintain healthy skin.
These three sunscreens represent a shift toward intelligent skincare—where protection, hydration, and comfort coexist.
Conclusion
The evolution of sunscreen from a heavy, unpleasant necessity to a luxurious skincare essential is evident in products like Skin1004 Madagascar Centella Hyalu-Cica Water-Fit Sun Serum, Round Lab Birch Moisturizing Sunscreen, and Beauty of Joseon Daily Tinted Fluid Sunscreen.
Each offers strong UV protection while addressing specific skin concerns such as sensitivity, dryness, and uneven tone. Their lightweight textures and skin-loving ingredients reflect the innovation driving Korean beauty forward.
In today’s world, sunscreen is not optional—it is foundational. Choosing the right formula can transform sun protection from a chore into a pleasure, ensuring your skin remains healthy, radiant, and protected for years to come.





