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"The simple one step helped my boyfriend start skincare. Texture looks smoother and pimples reduced."
One serum for marks, breakouts, wrinkles and more.
Designed to replace your toner, serum, and moisturizer.
Complete correction
in one step.
Start your routine
Texture & Pores
PHA gently exfoliates buildup while Niacinamide helps regulate oil and improves the look of enlarged pores.
Breakouts & Redness
Exo-Portulaca and Pro-Vitamin B5 calm irritation and improve the appearance of marks.
Fine Lines & Wrinkles
Plant Exosomes support skin renewal, while Hyaluronic Acid helps hydrate the skin, minimising wrinkles.
Hydration
A 9-type Hyaluronic Complex helps attract and hold water within the skin barrier without feeling greasy.
Results, documented
Progress by users in Singapore
Trusted by customers
★★★★★
"My skin feels clearer after five weeks. It sits well under makeup and keeps my face less oily, even at work in non-aircon."
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"I love the serum! Grateful for Alvan's helpful replies, My wrinkeles look better so far."
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Feels quite a light texture, awesome quality and its a local Singaporean business.
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I like the serum, can see a diff.
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not very sticky
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My skin feels clearer after five weeks. It sits well under makeup and keeps my face less oily, even at work in non-aircon.
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Texture is light and easy on the skin. Skin does not look oily even after a few hours. Definitely can recommend for people who are busy and want skincare but do not have time for many steps.
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The texture and finish is the most impressive thing. Feels like there is nothing on my face after applying. My skin texture improved in a short time and some red acne scars are fading.
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The simple one step helped my boyfriend start skincare. Texture looks smoother and pimples reduced.
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Pores look smaller on my nose after nightly use. I did not change anything else of my skincare.
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not bad
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Texture feels nice
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I didn't really do skincare because i found it too troublesome. really appreciate how simple it is to do skincare with Korin now!!! 10/10
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fast to absorb. not much scent. I saw results after about three weeks for me, my wrinkles look faded i think
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Works under sunscreen and makeup for me with no pilling.
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My pigmentation looks lighter around my cheeks. I feel like my nose is being exfoliated quite well by the serum
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Premium feel. I bought cuz my friend recommended korin to me.
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Bought for my boyfriend for his birthday, his skin improved noticably not as many breakouts as before!
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One step only. simple to use.
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I really love how it helped reduce my blackheads, its super obvious. I just bought my second bottle.
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I use it everynight but it makes my skin around my nose a little bit itchy because I have super sensitive skin, but improved my skin texture.
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I love the serum! Grateful for Alvan's helpful replies, My wrinkeles look better so far.
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Results after about three weeks for me. Texture looks smoother now.
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I love how simple it is to do my skincare now, hope my wife say i more handsome HAHA
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My skin def feels hydrated and less irritated
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Two weeks in and I see fewer new pimples. Older marks are fading slowly.
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My husband actually uses this now. His T zone looks less oily.
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Works best at night for me. My skin feels smoother in the morning.
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My T zone is less oily when I wake up. Happy with this imrpovement.
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Simple bottle and clean routine. It fits my lifestyle.
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Started because I'm lazy with skincare. Two weeks in and my skin looks clearer with fewer breakouts.
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I have sensitive skin. Started every other night for a week, then nightly. No sting and texture looks smoother.
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Second purchase. Pores around my nose look better and less oily
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noticed some results and less redness. Wish the bottle was bigger.
Safe yet smart
Made in Singapore
Produced in certified facilities under international safety standards, so you can be confident about quality.
See compliance
- GMP-certified production
- HSA-aligned documentation
- ASEAN compliance for distribution
Fewer actives, more work done
A tight set of proven ingredients chosen to control oil, calm irritation, and smooth texture without overloading your skin.
See key ingredients
Niacinamide
Pro-Vitamin B5
Exosomes
PHA
- Niacinamide and PHA to refine pores
- Pro-Vitamin B5 and HA to hydrate and support the barrier
- Plant exosomes to support renewal
Gentle ingredients
Neutral by choice, so it doesn't compete with cologne or trigger sensitivity. The texture is tuned for daily wear.
See what we leave out
- Fragrance-free
- Colourant-free
- Cruelty-free
- Lightweight, non-greasy finish
