Hey love! So you know how everyone’s been raving about SKIN1004’s sunscreens? I finally got my hands on the 100mL version of their Water-Fit Sun Serum and honestly… the hype is real. Let me tell you why this one’s been sitting at the top of Olive Young’s bestseller list!
SKIN1004 Madagascar Centella Hyalu-Cica Water-Fit Sun Serum 100mL
✨ Best for: All skin types, especially oily and combination
⏱ Longevity: 2-3 months with daily use
👍 Repurchase rate: High
Why Koreans Are Obsessed With This

First off, can we talk about the size? 100mL is HUGE for a Korean sunscreen. Most come in tiny 50mL tubes that you fly through in like three weeks if you’re applying properly.
But the real magic is in the texture. It’s called a “serum” for a reason – it feels more like skincare than sunscreen. Super lightweight, absorbs instantly, and leaves zero white cast. Like, actually zero. 💧
Plus it’s got that centella and hyaluronic acid combo that Korean skincare is famous for, so it’s actually calming and hydrating while protecting your skin. SPF 50+ PA++++ protection too, obviously!
What Real Buyers Are Saying
“This is my third bottle! The watery texture is perfect for my oily skin and it doesn’t make me look greasy at all. I can layer it under makeup without any pilling. The 100mL size is such good value compared to buying two 50mL bottles.” — verified buyer
“I have sensitive, acne-prone skin and this doesn’t break me out at all. It feels so light and refreshing, almost like I’m just applying a hydrating toner. My only complaint is I wish I’d bought this size from the beginning instead of the smaller one!” — verified buyer

The reviews are seriously consistent. People keep mentioning how it doesn’t feel sticky even in humid weather, and how well it plays with makeup. A few mentioned it might be slightly less moisturizing for super dry skin types, but still works great as long as you layer it over your regular moisturizer.
| Feature | Details |
|---|---|
| Skin Type | All types, especially oily/combination |
| Finish | Natural, dewy glow without greasiness |
| Longevity | 2-3 months with daily generous application |
| Best For | Daily wear, under makeup, sensitive skin |
Who Should (and Shouldn’t) Buy This

Here’s the thing – this is one of those rare sunscreens that actually works for almost everyone. But let me break it down properly so you know what to expect!
💕 Is This For You?
✅ You want a large-size sunscreen that’ll actually last (no more running out every three weeks!)
✅ You have oily or combination skin and hate that greasy sunscreen feeling
✅ You need something that sits well under makeup without pilling
✅ You have sensitive or acne-prone skin that freaks out with heavy formulas
❌ You have extremely dry skin and want your sunscreen to be your only moisturizer (you’ll need to layer this over a rich cream)
❌ You prefer a completely matte finish with zero dewiness
How It Compares to Other Bestsellers
Since you’re probably wondering how this stacks up against the other popular options, here’s the tea on the top sellers right now:
| Product | Best For | Finish | Size/Value | Buy |
|---|---|---|---|---|
| SKIN1004 Hyalu-Cica | Oily/combo skin, daily wear | Natural dewy | 100mL – best value! | View → |
| Beauty of Joseon Relief Sun | All skin types, rich texture | Glowy, moisturizing | 50mL x3 (triple set) | View → |
| ROUND LAB Birch Juice | Dry/sensitive skin | Hydrating, creamy | 50mL x3 (triple set) | View → |
Honestly? If you want the most product for your money and prefer a lightweight feel, SKIN1004 wins. The Beauty of Joseon is amazing if you want more moisture, and ROUND LAB is perfect for dry skin babes. But this 100mL bottle is just… chef’s kiss for value 💕
🛍 Shop on Olive Young Global →
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