If there’s one thing we love about Single’s Inferno, it’s the unfiltered glimpse into the contestants’ lives – raw emotions, sizzling (yet sometimes questionable) chemistry, and, of course, their beauty routines.
Between heart-fluttering confessions and strategic Paradise pairings, our eagle eyes couldn’t help but scan their vanities and touch-up moments for clues about the skincare, makeup, and bodycare they swear by.
And trust us, we spotted some gems.
From dewy-fresh cushion foundations that hold up under the island heat to lip tints that survive all those sunset dates, the beauty picks of Single’s Inferno 4 offer a snapshot of what’s trending in Korea right now.
Skincare
SU:M37 Waterfull Rebalancing Emulsion and Waterfull Refreshing Toner
Hae-lin’s secret to long-lasting hydration? A power duo from SU:M37’s Waterfull range. She pairs the Waterfull Rebalancing Emulsion and Waterfull Refreshing Toner, both infused with fermented bamboo sap, to quench thirsty skin without weighing it down.
Designed for 24-hour hydration, this duo delivers a velvety finish that keeps skin plump and balanced. If you’re after that glass-skin glow without any greasy residue, this is the hydrating boost your routine needs.
SU:M37 Waterfull Rebalancing Emulsion retails for S$56 on Novela, while SU:M37 Waterfull Refreshing Toner retails for S$47 on Novela.
ELROEL Pang Pang Big Sun Cushion
A beauty staple worth sharing – literally. Both You-jin and Arin were seen dabbing on the Pang Pang Big Sun Cushion, a multitasking cushion that does more than just shield skin from UV rays.
With SPF protection, skin-cooling effects (-4.7°C, to be exact!), and a soothing blend of aloe vera, five vitamins, and 10 herbal extracts, this all-in-one formula hydrates, brightens, and protects in just a few taps.
Given Singapore’s year-round humidity, we’d say this is a must-have for anyone looking to stay fresh without layering on heavy sunscreens.
ELROEL Pang Pang Big Sun Cushion retails for S$23.36 on Shopee.
d’Alba Italian White Truffle First Spray Serum
Luxury skincare, but make it effortless. Hae-lin keeps her skin dewy and firm with the d’Alba Italian White Truffle First Spray Serum, a mist packed with antioxidant-rich white truffles from Piedmont, Italy, plus vitamin E for that extra anti-ageing boost.
Clinically tested to improve deep hydration by 8% and skin elasticity by 4% in just four weeks, this mist is perfect for mid-day pick-me-ups or setting makeup with a glow.
d’Alba Italian White Truffle First Spray Serum retails for S$38.89 on Shopee.
Mediheal Hyalu Moist Essence Mask
Late-night self-care sessions on Inferno? You bet. Both Hae-lin and Ji-yeon reached for the Mediheal Hyalu Moist Essence Mask, a hyaluronic acid-infused sheet mask that delivers deep hydration and soothing relief in just 15 minutes.
With five types of hyaluronic acid, this essence-packed mask plumps up parched skin, making it a go-to for post-sun recovery or whenever skin needs a moisture surge.
Mediheal Hyalu Moist Essence Mask (15 sheets) retails for S$23.90 on Shopee.
Face Makeup
VDL Tone Stain Color Correcting Primer in 03 Serenity
Arin preps her skin with the VDL Tone Stain Color Correcting Primer in 03 Serenity to achieve that ultra-transparent, glass-skin glow.
Designed to even out skin tone and refine texture in one step, this blue-tinted primer provides a bright, clear tone-up effect while delivering a refreshing moisture boost.
With one bottle sold every seven minutes, it’s no wonder this K-beauty staple is a go-to for a flawless base.
VDL Tone Stain Color Correcting Primer in 03 Serenity retails for US$28 (~S$37.77) on Olive Young.
Rom&nd Bare Water Cushion
For a foundation that’s as lightweight as it is hydrating, Ji-yeon reaches for the Rom&nd Bare Water Cushion. This cushion provides a watery, dewy finish that instantly quenches the skin while offering sheer to buildable coverage.
Infused with 10 types of hyaluronic acid, peach blossom, aqua ceramide, and Adansonia Digitata extract, this formula is made with 70% essence, meaning it hydrates deeply while feeling fresh and breathable all day.
Even better? It’s clinically proven to improve skin hydration by 80% immediately after application and locks in moisture for up to 48 hours.
Rom&nd Bare Water Cushion retails for S$19.30 on Shopee.
JUNGSAEMMOOL Essential Skin Nuder Cushion
When four contestants swear by the same foundation, you know it’s a winner.
The JUNGSAEMMOOL Essential Skin Nuder Cushion is beloved for its natural yet long-lasting coverage, infused with a special coating powder for a radiant glow and hue-balancing technology to correct skin tone.
Ideal for dry and combination skin, this award-winning cushion blends seamlessly for a second-skin finish while keeping skin hydrated and comfortable throughout the day. If you’re after that signature K-beauty luminous look, this is your new best friend.
JUNGSAEMMOOL Essential Skin Nuder Cushion retails for S$52 on JSMbeauty.sg.
NARS Blush
Ji-yeon adds the perfect flush of colour with NARS Blush, a cult classic known for its effortlessly blendable formula and true-to-skin colour payoff.
While we couldn’t pinpoint the exact shade, we do know that NARS recently reformulated its iconic blush to last up to 16 hours, delivering a weightless, silky texture that glides on seamlessly.
Whether she’s wearing a natural pink, a soft coral, or the brand’s famous peachy-gold hue (you know the one), her complexion always looks fresh and radiant.
NARS Blush retails for S$57 on Sephora.sg.
Make Up For Ever Ultra HD Loose Powder in 01 Translucent
To lock everything in place, Ji-yeon sets her makeup with the Make Up For Ever Ultra HD Loose Powder in 01 Translucent, a staple among makeup artists and beauty lovers alike.
Developed for high-definition cameras and film, this ultra-fine powder blurs imperfections, minimises shine, and leaves a smooth, soft-focus finish.
Formulated with spherical micro-particles of silica, it enhances skin’s natural glow while keeping oil in check so that she can look flawless both on-screen and IRL.
Make Up For Ever Ultra HD Loose Powder in 01 Translucent retails for S$64 on Sephora.
Urban Decay All Nighter Waterproof Makeup Setting Spray
Si-an ensures her makeup stays fresh through all her emotional highs and lows with the Urban Decay All Nighter Waterproof Makeup Setting Spray, one of the most trusted setting sprays in the industry.
With a high-tech formula that cools the skin while locking in makeup for up to 16 hours, this weightless mist prevents fading, creasing, and melting – even in the most humid conditions.
Whether she’s spending a day in the sun or getting ready for another night in Paradise, this setting spray keeps her look on point from morning to night.
Urban Decay All Nighter Waterproof Makeup Setting Spray retails for S$50 on Sephora.sg.
Eye Makeup
Heroine Make Long Up Mascara Super Waterproof
For lashes that hold their curl all day, Ji-yeon turns to the Heroine Make Long Up Mascara Super Waterproof.
This cult-favourite mascara separates and defines lashes while adding dramatic length, thanks to 5mm long extension fibres that cling to each lash.
The ultra-strong sweat-proof, sebum-proof, and smudge-proof formula ensures lashes stay lifted and voluminous, while botanical oils like tsubaki, argan, and wild rose oil nourish and protect.
Heroine Make Long Up Mascara Super Waterproof retails for S$22.50 on Watsons.
Espoir Real Eye Palette in Oat Latte
For a neutral yet versatile everyday eye look, You-jin reaches for the Espoir Real Eye Palette in Oat Latte. Featuring seven shades in matte and glittery finishes, this compact palette lets her create everything from soft, romantic looks to sultry, smoky eyes.
With highly pigmented, blendable formulas, this all-in-one palette doubles as a blusher and contour kit. It’s a travel-friendly must-have for minimal yet stunning makeup.
Espoir Real Eye Palette in Oat Latte retails for S$32.76 on YesStyle.
Dasique Shadow Palette in 14 Peach Squeeze
Both You-jin and Si-an are fans of the Dasique Shadow Palette in 14 Peach Squeeze, a dreamy mix of nine coral-inspired shades designed to enhance warm undertones.
With a soft matte base, fine pearlescent glitters, and a translucent shimmering pigment, this palette delivers watercolour-like hues that blend seamlessly for a fresh, youthful glow.
Dasique Shadow Palette in 14 Peach Squeeze retails for S$39.25 on Guardian.
Lip Makeup
ROM&ND Glasting Color Gloss in 05 Dim Mauve
Hye-jin loves the Rom&nd Glasting Color Gloss in 05 Dim Mauve for that plumped, high-shine lip look.
This gloss enhances the natural colour of the lips with a sheer, non-sticky finish, while high-refraction oils give a glazed, coated glow that makes lips look fuller and ultra-kissable.
The soft essential oil-infused formula locks in moisture, ensuring lips stay hydrated and glossy for hours.
ROM&ND Glasting Color Gloss in 05 Dim Mauve retails for S$24.96 on Shopee.
3CE Soft Matte Lipstick in Way Back
For a classic long-lasting matte lip, Hye-jin switches to 3CE’s Soft Matte Lipstick in Way Back, a muted, sophisticated brown that glides on smoothly with a lightweight, comfortable feel.
With a silicone elastomer powder formula, this lipstick blurs imperfections and provides a rich colour payoff in a single swipe – ideal for a polished, effortless look.
3CE Soft Matte Lipstick in Way Back retails for US$20 (~S$26.96) on Olive Young.
PERIPERA Ink Mood Glowy Tint in 03 Rose In Mind
Arin’s lips always have that juicy, glassy sheen, thanks to the PERIPERA Ink Mood Glowy Tint in 03 Rose In Mind.
Formulated with a moisture-based formula that prevents lips from drying out, this tint provides long-lasting colour, high shine, and a smooth finish. It’s great for those who love a hydrated, dewy lip look without stickiness.
PERIPERA Ink Mood Glowy Tint in 03 Rose In Mind retails for S$15.90 on Watsons.
PERIPERA Ink Mood Glowy Tint in 26 Why So Berry
Hye-jin also keeps the PERIPERA Ink Mood Glowy Tint in 26 Why So Berry on her vanity. It’s a bright berry-pink shade that enhances her natural lip colour while giving a moisturised, glossy finish.
With its buildable, layering-friendly formula, this tint can be worn sheer for a natural tint or layered for a bold statement lip.
PERIPERA Ink Mood Glowy Tint in 26 Why So Berry retails for S$15.90 on Watsons.
Benefit Cosmetics Floratint Desert Rose-Tinted Lip & Cheek Stain
Arin turns to the Benefit Cosmetics Floratint Desert Rose-Tinted Lip & Cheek Stain for a natural flush of colour.
This long-wearing, non-drying formula blends seamlessly onto lips and cheeks, delivering a soft, romantic wash of rustic rose. With its smudge-proof, transfer-proof, and kiss-proof finish, it’s the ultimate multi-tasker for all-day colour that won’t budge.
Benefit Cosmetics Floratint Desert Rose-Tinted Lip & Cheek Stain retails for S$45 on Sephora.sg.
Haircare
Mise-En-Scène Perfect Serum Original
This K-beauty cult favourite is a staple for Single’s Inferno 4 contestants, and for a good reason.
The Mise-En-Scène Perfect Serum Original is a leave-in treatment packed with seven natural oils, including argan, coconut, and jojoba oil, to repair damage and smooth split ends by up to 72%.
Clinically proven to improve hair softness by 87% within 24 hours, this lightweight serum locks in moisture, tames frizz, and even blocks fine dust particles.
Bonus: It leaves behind a fruity floral scent of citrus, orange blossom, and lily of the valley with a hint of musk.
Mise-En-Scène Perfect Serum Original retails for S$17.50 at Watsons.
Sisley Hair Rituel The Cream 230
Hye-jin takes her haircare routine to luxury levels with Sisley Hair Rituel The Cream 230, a heat-activated leave-in treatment that shields strands from styling damage while deeply nourishing and detangling.
Infused with the 230 Complex, a thermoactive micro-gel, this treatment closes cuticles, strengthens strands, and forms an invisible protective barrier against heat tools up to 230°C.
Meanwhile, sugarcane derivatives, camellia, and moringa oils work together to hydrate and soften hair, preventing breakage and dullness.
Sisley Hair Rituel The Cream 230 retails for S$130 on Metro.
Reuzel Grooming Tonic
Si-an keeps her styled yet natural look fresh with Reuzel Grooming Tonic, a lightweight styling product designed to create volume and long-lasting hold without stiffness.
Formulated with witch hazel, nettle leaf, rosemary, and horsetail root, this tonic protects hair from heat damage, adds texture, and enhances fullness, making it ideal for achieving that effortlessly tousled look.
Originally marketed as a men’s product, this formula works beautifully on all hair types to add volume and definition.
Reuzel Grooming Tonic retails for S$32 on SGPomades.
Klorane Nettle Oil-Control Dry Shampoo
Keeping hair fresh and voluminous in humid conditions? Hae-lin’s secret weapon is the Klorane Nettle Oil-Control Dry Shampoo.
Unlike regular dry shampoos, this oil-absorbing formula regulates sebum production for up to 48 hours while adding lightweight texture.
With a blend of nettle extract, corn and rice starch, and silica, it removes oil, dirt, and odour in just 25 seconds, leaving hair looking freshly washed with a bouncy lift.
Klorane Nettle Oil-Control Dry Shampoo retails for S$19.30 on Shopee.
Tigi Bed Head Queen for A Day Thickening Spray
For a voluminous, lifted look that lasts all day, Si-an reaches for Tigi Bed Head Queen for A Day Thickening Spray.
Designed by and for salon professionals, this light-hold spray adds texture, thickness, and body to hair, making it ideal for fine or limp hair.
Infused with palm kernel glycerides and triglycerides, it conditions strands while creating buildable, long-lasting volume without weighing hair down. Plus, it leaves behind a fresh berry fragrance.
Tigi Bed Head Queen for A Day Thickening Spray retails for S$78 on Ubuy.com.
Fragrances
Chanel Coco Mademoiselle Fresh Moisture Mist
Arin’s signature scent is Chanel Coco Mademoiselle Fresh Moisture Mist, a lightweight, skin-softening body mist that enhances the trail of Chanel’s iconic woody-ambery oriental fragrance.
Perfect for on-the-go touch-ups or travel, this mist leaves behind a delicate yet sophisticated scent with a hint of freshness. Consider it her tip for attracting adorable accountants.
Chanel Coco Mademoiselle Fresh Moisture Mist retails for S$78 at TANGS.
Diptyque Fleur de Peau Eau de Parfum
Si-an’s fragrance of choice? Diptyque Fleur de Peau Eau de Parfum, a soft, musky scent with hints of iris and ambrette seed. Inspired by the mythical love story of Psyche and Eros, this scent radiates warmth and sensuality, creating a skin-like, intimate aroma.
For those who love powdery, sophisticated fragrances with a cosy, luxurious feel, this is a must-try. And if the price tag is a little steep, we hear Glossier You makes a great budget-friendly alternative.
Diptyque Fleur de Peau Eau de Parfum retails for S$287 on Escentials.
Miscellaneous
Dodo Label Korean Idol White Tanning Spray
Want that subtle, porcelain-like glow that K-pop idols seem to have? Min-seol and a few other contestants use the Dodo Label Korean Idol White Tanning Spray to instantly brighten and even out their skin tone.
Unlike traditional tone-up creams, this ultra-lightweight spray absorbs quickly and provides a natural, soft-matte finish without stickiness. It even enhances your complexion’s glow over time while being sweat-resistant and long-lasting.
Dodo Label Korean Idol White Tanning Spray retails for S$58.57 on Shopee.
TheraBreath Oral Rinse (Mild Mint)
Arin’s go-to for fresh breath all day is TheraBreath’s Oral Rinse in Mild Mint, an alcohol-free mouthwash designed to target bad breath at its source without irritation.
Unlike traditional mouthwashes, this patented oxygenating formula works gently to eliminate odour-causing bacteria without the burning sensation of alcohol.
Look forward to long-lasting freshness, a clean feel, and a confidence boost – whether you’re on a date or just going about your day.
We also put TheraBreath to the test! Read our honest review here.
TheraBreath Oral Rinse (Mild Mint) retails for S$21.90 and is available at Watsons and S$23.20 at Guardian.
