10 Best Serums That Everyone is Purchasing from Olive Young – There’s One For Every Skin Type

If you’re into K-beauty, chances are you’ve either heard of or shopped at Olive Young, Korea’s go-to destination for all things skincare and beauty.

With shelves stocked full of cult favourites and hidden gems, it can be a little overwhelming to figure out what’s actually worth trying. That’s why we’ve put together a list of the top 10 bestselling serums on Olive Young right now.

Whether you’re looking to tackle breakouts, dullness, or just boost your glow, these popular picks are a great place to start. Here’s what’s making waves (and saving faces).

medicube PDRN Pink Peptide Serum

Best for: All skin types

This pretty-in-pink serum isn’t just a looker – it’s packed with serious skin-repairing power. Formulated with PDRN, a skin-regenerating ingredient derived from salmon DNA, as well as peptides, this serum helps to boost elasticity, smooth out fine lines, and support skin recovery.

Especially loved for calming irritated or sensitised skin, this serum is a go-to for those dealing with post-acne marks or weakened skin barriers.

medicube PDRN Pink Peptide Serum retails for S$59.40 and is currently available on promotion for S$31.76 on the Olive Young website.

Anua Niacinamide 10 TXA 4 Dark Spot Correcting Serum

Best for: All skin types

This brightening serum from Anua packs a powerful trio of ingredients to help bring dull skin back to life. It contains 10% niacinamide to improve skin texture and boost radiance, while 4% tranexamic acid and 2% arbutin work together to inhibit melanin production and visibly reduce pigmentation over time.

In addition, it’s infused with 10 types of hyaluronic acid, panthenol, ceramides, and pink vitamin B12 to deliver deep hydration and reinforce the skin barrier, leaving your skin soft, smooth, and healthy-looking.

Best of all, its lightweight, non-sticky texture makes it a great fit for Singapore’s humid weather, so you can glow without the grease. Perfect for skin that’s looking tired, uneven, or just in need of a boost.

Anua Niacinamide 10 TXA 4 Dark Spot Correcting Serum retails for S$82.35 and is currently available on promotion for S$35.37 on the Olive Young website.

Torriden Dive-In Low Molecular Hyaluronic Acid Serum

Best for: Dry and sensitive skin types

If your skin is feeling a little parched, this serum dives right in – literally. The Torriden Dive-In Low Molecular Hyaluronic Acid Serum is a hydration hero, formulated with five types of hyaluronic acid in varying molecular sizes to deliver moisture from the surface all the way deep into the skin layers.

Infused with panthenol and allantoin for added soothing and barrier support, this serum is perfect for calming sensitive or easily irritated skin. Its lightweight, sky-blue formula absorbs effortlessly without clogging pores, leaving your skin feeling soft, plump, and refreshed – never tight or sticky.

Plus, it offers up to 48 hours of hydration with just one use, and its non-pilling, mildly acidic formula makes it suitable for all skin types.

Torriden Dive-In Low Molecular Hyaluronic Acid Serum retails for S$45.90 and is currently available on promotion for S$34.43 on the Olive Young website.

SKIN1004 Madagascar Centella Ampoule

Best for: All skin types

When your skin is stressed, sometimes less really is more – and that’s exactly the approach SKIN1004 takes with this no-frills, skin-soothing ampoule.

Made with 100% centella asiatica extract sourced from Madagascar, this lightweight serum focuses on calming irritation, strengthening the skin barrier, and restoring balance – without any unnecessary extras.

It absorbs quickly and delivers a dose of deep hydration without overwhelming the skin, making it ideal for sensitive or reactive skin types. With its skin-friendly pH and minimalist formula, it’s a go-to for anyone looking to reset and rebalance their routine.

SKIN1004 Madagascar Centella Ampoule retails for S$29.70 and is currently available on promotion for S$25.25 on the Olive Young website.

REJURAN Healer Turnover Ampoule

Best for: Dry and sensitive skin

Think of this as your at-home facial in a bottle. The REJURAN Healer Turnover Ampoule brings clinical-grade care to your daily skincare routine, using the same key ingredients found in REJURAN treatments at aesthetic clinics.

Powered by REJURAN’s patented DOT technology, which uses a special DNA-derived ingredient from marine organisms, this ampoule helps to boost skin turnover, improve elasticity, and restore overall skin health.

This serum is especially recommended for those dealing with loss of firmness, flakiness, dryness, or sensitivity from stress and irritation. Despite its potent formula, the texture remains lightweight and gentle, making it suitable even for more reactive skin types.

REJURAN Healer Turnover Ampoule retails for S$66.15 and is currently available on promotion for S$56.93 on the Olive Young website.

Dr. Althea Vitamin C Boosting Serum

Best for: Dull or uneven skin tone, as well as all skin types

Looking to brighten up a tired complexion? This glow-getting serum from Dr. Althea delivers a potent dose of vitamin C to help visibly correct dullness, uneven tone, and early signs of fatigue.

Formulated with concentrated vitamin C, this serum revitalises lacklustre skin, giving it that lit-from-within radiance over time.

What makes this serum extra hydrating is its trio of hyaluronic acids, which work together to draw moisture into the skin and lock it in for longer-lasting hydration. With a lightweight gel-like texture that absorbs quickly without any stickiness, this serum is easy to layer into your morning or evening routine.

Dr. Althea Vitamin C Boosting Serum retails for S$32.40 and is currently available on promotion for S$24.30 on the Olive Young website. 

INNISFREE Green Tea Enzyme Vitamin C Brightening Serum

Best for: Dull, uneven, blemish-prone skin, as well as all skin types

This brightening serum from INNISFREE is like a skin smoothie – packed with vitamin C, green tea enzymes, and skin-loving actives for a radiant glow.

Its dual vitamin C formula (water- and oil-soluble) helps reduce blemishes, uneven tone, and rough texture, while hydrating deeply. Gentle enough for daily use, it’s clinically tested to target surface and deeper melanin.

With Jeju Tangerine Water, niacinamide, glutathione, and ferulic acid, it evens out tone over time. Bonus: Green tea enzyme gently exfoliates, so all that goodness sinks in faster. Lightweight, non-irritating, and glow-boosting, this is K-beauty brightening at its best.

INNISFREE Green tea Enzyme Vitamin C Brightening Serum retails for S$63.45 and is currently available on promotion for S$38.07 on the Olive Young website.

AESTURA Atobarrier365 Hydro Cera-HA Ampoule

Best for: Dry and sensitive skin

If your skin is feeling tight, flaky, or just chronically thirsty, this ampoule from AESTURA might be the long-lasting hydration fix you’ve been searching for.

Formulated with the brand’s signature Cera-Hyaluronic Acid, this serum works deep within the skin to deliver intense moisture while strengthening a compromised skin barrier.

What makes it unique is its stabilised ceramide complex, which is designed to stay active in the skin’s outermost layer for up to 18 hours – perfect for those with sensitive, easily dehydrated skin that tends to lose moisture quickly. With a silky, fast-absorbing texture, this serum layers easily with other skincare products without any heaviness.

AESTURA Atobarrier365 Hydro Cera-HA Ampoule retails for S$43.20 and is currently available on promotion for S$38.88 on the Olive Young website.

iUNIK Beta-Glucan Power Moisture Serum

Best for: Dry and sensitive skin

Featuring 400,000ppm of pure beta-glucan (a powerhouse ingredient derived from mushrooms), this serum helps to calm irritation, nourish tired skin, and deliver long-lasting hydration without any stickiness.

Beta-glucan is known to hold up to 20% more moisture than hyaluronic acid, making this serum a go-to for those dealing with sensitivity, dryness, or weakened skin barriers. This serum also works overtime to protect against environmental stressors while helping to restore skin to a clear, balanced state.

With its simple, no-fuss formula and lightweight feel, it’s perfect for layering under your favourite moisturiser or using solo on more humid days.

iUNIK Beta-Glucan Power Moisture Serum retails for S$27 and is currently available on promotion for S$24.30 on the Olive Young website. 

BRINGGREEN Zinc Teca Trouble Serum

Best for: Oily and acne-prone skin

Designed with troubled skin in mind, this serum from BRINGGREEN targets everything from excess oil and enlarged pores to blackheads and pigmentation – all while being gentle enough for acne-prone skin.

Formulated with Zinc TECA, a specialised blend designed to calm inflammation and support skin recovery, this serum helps improve blackheads, control sebum, and visibly refine pores over time.

Its mildly acidic formula supports a healthy skin barrier while the dense-yet-light texture absorbs smoothly without clogging pores. It’s also been tested for use on acne-prone skin, making it a safe and gentle option even for those dealing with active breakouts or sensitivity.

With consistent use, you can expect improvements in skin texture, pigmentation, and overall clarity. Ideal for anyone who wants balanced, clearer skin without the harshness of traditional acne treatments.

BRINGGREEN Zinc Teca Trouble Serum retails for S$71.55 and is currently available on promotion for S$37.99 on the Olive Young website.