The story behind Klairs Read the full story

Picture a skincare aisle where toner barely existed as a hydrating category. That was the landscape when the Supple Preparation Facial Toner arrived in 2012, two years into the brand's life. Sensitive-skinned shoppers latched onto a watery, alcohol-free formula meant to prep rather than astringe, and it effectively helped open the modern hydrating-toner market, going on to sell past a million bottles and later spawning an unscented version that climbed to four million and topped charts in Vietnam.

The naming itself carries the philosophy. The brand frames itself as a letter, hand-addressed to one reader, products created in response to customer requests rather than pushed out by a marketing calendar. That conceit, simple but enough, became a literal product principle: strip out colorants, drying alcohol, parabens, and artificial fragrance, then formulate for everyone but especially the reactive complexions other lines treated as an afterthought. The effect was a brand people trusted as their first cautious step into actives.

A second product cemented the reputation. The Freshly Juiced Vitamin Drop took an ingredient many beginners feared, vitamin C, and dialed it to a low, forgiving strength, becoming the bottle nervous newcomers reached for first. Around those two anchors grew a small constellation of cult items, including a vivid blue calming cream tinted with guaiazulene and a richer soothing cream, products fans recommend by nickname.

The distribution story is just as telling. The line spread across more than sixty countries and grew especially strong in Vietnam, Japan, and North America, much of it through word of mouth rather than heavy ad spend. Its ceiling is the flip side of its restraint: this is calm, barrier-friendly, beginner-safe skincare, not the place for aggressive acids, high-percentage vitamin C, or hard-hitting anti-aging actives.

Sources:[1][2][3]

Founded
2010
Origin
South Korea
Parent company
Wishcompany
Heritage
Established
Type
K-beauty
Verdicts
5 Strong choice · 7 Good choice of 24 assessed
24 products reviewed

All Klairs Products

Good choice dryness
No.1
Klairs Rich Moist Soothing Tencel Sheet Mask in individual foil packaging Five-Ceramide Sheet Mask
Klairs mask

Rich Moist Soothing Tencel Sheet Mask

A surprisingly sophisticated sheet mask that packs five ceramides, phytosphingosine, and cholesterol into a $3 single-use format — barrier-repair ingredients usually reserved for premium creams. The fragrance-free, clean formula and dual-layered Tencel sheet make this one of the most thoughtfully formulated sheet masks in K-beauty.

drysensitive Fragrance Free
4.5 (800)
$3.00
Full protection sun damage
No.2
Klairs Mid-Day Blue UV Shield SPF 50+ mineral sunscreen in a white and blue squeeze tube Discontinued Mineral Matte
Klairs sunscreen

Mid-Day Blue UV Shield SPF 50+

A well-engineered mineral sunscreen that solved the oily-skin-meets-SPF dilemma with a matte, lightweight formula and a clever guaiazulene twist. The inclusion of synthetic fragrance was an odd misstep for a sensitive-skin brand, and discontinuation makes this a legacy review. When it was available, it was one of the better mineral sunscreens in K-beauty.

oilycombination
4.3 (500)
$23.00
Full protection sun damage
No.3
Klairs Soft Airy UV Essence SPF 50 in a white squeeze tube — product discontinued due to SPF accuracy concerns Discontinued — SPF Controversy
Klairs sunscreen

Soft Airy UV Essence SPF 50

A cautionary tale packaged as a sunscreen. The Soft Airy UV Essence had everything a daily sunscreen should feel like — lightweight, hydrating, invisible — except the one thing a sunscreen must actually do: protect you from the sun at its claimed level. Independent testing confirmed SPF of 12-28 versus the labeled 50+. Discontinued by Klairs after public acknowledgment. Do not purchase remaining stock.

combinationoily
3.2 (5.0k)
$24.00
Good choice dryness
No.4
Klairs Maple Energy Infusing Serum in a frosted pump bottle Barrier Comfort Serum
Klairs serum

Maple Energy Infusing Serum

A genuinely nourishing barrier serum built on an unusual idea — sugar maple sap in place of water — and backed by four real plant butters, squalane, and adenosine. Fragrance-free, gentle, and well-priced, it is a comforting pick for dry skin; just treat the anti-aging claims as a modest bonus, not the main event.

drynormal Fragrance Free
4.6 (700)
$22.00
Good choice dehydration
No.5
Klairs Fundamental Watery Oil Drop in a frosted glass dropper bottle Oil-Free Glass Skin Serum
Klairs serum

Fundamental Watery Oil Drop

A beautifully formulated oil-free serum that delivers the dewy glow of a facial oil without a single drop of actual oil. The ceramide-peptide-ferment triple play is genuinely clever, and the zero-irritant formulation is impeccable. Slightly overpriced for what amounts to a lightweight hydrator, but the execution is hard to fault.

combinationoily Fragrance Free
4.4 (400)
$31.00
Good choice dryness
No.6
Klairs Rich Moist Soothing Cream in a white tube with brand labeling K-Beauty Barrier Builder
Klairs moisturizer

Rich Moist Soothing Cream

A genuinely nourishing barrier-repair cream with ceramide NP, beta-glucan, and centella at a price that makes daily use easy on the wallet. The six essential oils are the elephant in the room — they make the 'soothing' name feel aspirational rather than accurate for sensitive skin types. For dry-to-normal skin without fragrance sensitivities, it delivers solid, unglamorous performance.

drynormal
4.3 (5.0k)
$25.00
Good choice sensitivity
No.7
Klairs Supple Preparation Unscented Toner in a tall translucent bottle with minimalist white and black label Sensitive Skin Holy Grail
Klairs toner

Supple Preparation Unscented Toner

A K-beauty hydrating toner that earned its cult status the honest way — by being genuinely gentle and effective. The fragrance-free, essential-oil-free formula delivers real soothing hydration for sensitive and reactive skin without a single unnecessary ingredient.

sensitivedry Fragrance Free
4.5 (12.0k)
$22.00
Not yet assessed dehydration
No.8
Klairs Vitamin Hydrating Jelly Mask Cleanser 150 mL tube Barrier-Friendly Cleanser Pick
Klairs cleanser

Vitamin Hydrating Jelly Mask Cleanser

A genuinely gentle jelly cleanser that does the unusual thing — actively supports the skin barrier with a full five-ceramide complex while cleansing, using mild sulfate-free surfactants. It cleans without stripping, doubles as a brief mask for dry patches, and suits sensitive skin well. A trace of rosemary leaf oil is the only real caveat.

drysensitive
4.4 (130)
$19.00
Promising dullness
No.9
Klairs Freshly Juiced Vitamin Skin Prep Pads 290ml 80 pads K-beauty brightening toner pad K-Beauty Brightening Pad Pick
Klairs treatment

Freshly Juiced Vitamin Skin Prep Pads

Klairs' Vitamin Essence philosophy turned into a pre-soaked pad — multiple hyaluronic acid forms, dual vitamin C (ascorbic acid + ascorbyl palmitate), niacinamide, glutathione, ferulic acid, and gluconolactone PHA all delivered in one swipe. Genuine treatment depth, though the spearmint extract is a soft flag for the most reactive skin.

normalcombination Fragrance Free
4.4 (320)
$32.00
Supporting role dryness
No.10
Klairs Gentle Black Deep Cleansing Oil black pump bottle 150ml Sensitive Skin First Cleanse
Klairs cleanser

Gentle Black Deep Cleansing Oil

A veteran K-beauty oil cleanser that's earned its awards through over a decade of reliable performance on sensitive skin. The 'black' botanical trio provides genuine anti-inflammatory nourishment during cleansing, and the PEG emulsifiers rinse cleaner than most competitors. The added fragrance is its one misstep for a sensitivity-focused product.

drynormal
4.5 (2.0k)
$22.00
Strong choice acne
No.11
Klairs Blue AC Calming Serum 50 g blue-tinted serum bottle with dropper Calm-the-Breakout Pick
Klairs serum

Blue AC Calming Serum

An acne serum that works by calming rather than stripping — niacinamide, guaiazulene, centella and a deep soothing roster settle the inflammation behind breakouts, while gentle LHA and PHA handle congestion. Genuinely well-suited to reactive, blemish-prone skin and excellent value; the tea tree oil is the one note that pulls against its gentle promise.

oilycombination Fragrance Free
4.3 (1.1k)
$19.00
Good choice sensitivity
No.12
Klairs Midnight Blue Calming Cream showing the distinctive blue cream in packaging Award-Winning Calm in a Tube
Klairs moisturizer

Midnight Blue Calming Cream

The calming cream that earned its cult status through performance rather than marketing. Two million bottles sold and an Allure Best of Beauty award later, the Midnight Blue Calming Cream remains one of K-beauty's most trusted products for angry, inflamed, or post-treatment skin. The guaiazulene-centella combination genuinely works — and the iconic blue color is just a bonus.

sensitivecombination Fragrance Free
4.4 (8.0k)
$27.00
Full protection sun damage
No.13
Klairs TXA Supple Tone Up Sun Essence SPF50+ 50 mL bottle Brightening Sun Essence Pick
Klairs sunscreen

TXA Supple Tone Up Sun Essence

A genuinely strong three-in-one sun essence — a next-generation four-filter UV system delivering robust SPF50+ PA++++, a treatment-level 1% tranexamic acid with niacinamide and glutathione for real brightening, and a purple tone-up tint that neutralizes sallowness on contact. Fragrance-free, lightweight, and well-built for daily brightening sun care.

normalcombination Fragrance Free
4.4 (120)
$25.00
Supporting role sensitivity
No.14
Klairs Blue Calming Toner Pads tub of 60 dual-sided pads Pure Calm Pad
Klairs toner

Blue Calming Toner Pads

A toner pad with the discipline to do one thing — a purely calming, purely hydrating pad with no exfoliating acids, built on guaiazulene, a full centella complex and a 13-form hyaluronic acid blend, fragrance-free. Genuinely gentle, safe for twice-daily use, and a sound, well-priced comfort step for reactive skin.

sensitivecombination Fragrance Free
4.5 (1.3k)
$22.00
Not yet assessed aging
No.15
Klairs Fundamental Nourishing Eye Butter in a small white jar with minimal branding Clean Peptide Eye Essential
Klairs eye cream

Fundamental Nourishing Eye Butter

A quietly excellent peptide eye cream that proves you don't need retinol, synthetic fragrance, or a luxury price tag to deliver genuine anti-aging care to the most delicate skin on your face. Four targeted peptides, caffeine for puffiness, and a clean-as-they-come ingredient list — in a texture that feels like silk and vanishes like air.

drynormal Fragrance Free
4.6 (500)
$24.00
Full protection sun damage
No.16
Klairs All-day Airy Mineral Sunscreen in a squeeze tube Sensitive Skin Sunscreen MVP
Klairs sunscreen

All-day Airy Mineral Sunscreen

An excellent mineral sunscreen that delivers everything good about zinc oxide — top PA++++ UVA protection and outstanding gentleness — while shedding the chalky white cast and heavy feel that usually come with it. Fragrance-free, barrier-supporting, vegan, and pregnancy-safe, it is about as close to a no-compromise mineral SPF as the category offers.

sensitivenormal Fragrance Free
4.6 (1.8k)
$20.00
Good choice compromised skin barrier
No.17
Klairs Vitamin Toning Barrier Cream 60 g jar Barrier-Plus-Brightening Pick
Klairs moisturizer

Vitamin Toning Barrier Cream

A genuinely sound barrier cream wrapped in a maximalist ingredient list. Its core — niacinamide, vegan ceramide, panthenol, a multi-form HA blend and a shea-jojoba base — repairs and hydrates well, while a gentle vitamin C and glutathione handle the brightening. The dozen trend antioxidants are garnish; the cream beneath them is the real value.

drynormal Fragrance Free
4.4 (480)
$29.00
Promising dullness
No.18
Klairs Freshly Juiced Vitamin Essence Toner K-beauty brightening toner 180ml Best K-Beauty Vitamin C Toner
Klairs toner

Freshly Juiced Vitamin Essence Toner

Klairs' comprehensive vitamin C + brightening toner with triple vitamin C complex, niacinamide, glutathione, multi-HA, PHA, Centella quartet, and B-vitamin layer. Treatment depth approaching dedicated serums in toner format. Excellent K-beauty value.

normalcombination Fragrance Free
4.5 (2.4k)
$28.00
Promising dullness
No.19
Klairs Vita 10 Radiance Sheet Mask sachet Fragrance-Free Glow Pick
Klairs mask

Vita 10 Radiance Sheet Mask

A genuinely well-built brightening sheet mask whose real distinction is being completely fragrance-free — a vitamin-and-glutathione radiance mask reactive skin can actually use. Niacinamide, vitamin C and a ten-form hyaluronic acid blend deliver a real dewy glow; the headline 10-vitamin claim leans on trace ingredients.

normaldry Fragrance Free
4.4 (420)
$15.00
Promising dullness
No.20
Klairs Freshly Juiced Vitamin C Drop serum in a dark amber glass dropper bottle Sensitive Skin's First Vitamin C
Klairs serum

Freshly Juiced Vitamin C Drop

The most approachable vitamin C serum on the K-beauty market — and possibly the entire market. At 5% pure ascorbic acid, it won't win any potency contests, but over four million bottles sold prove there's a massive audience for vitamin C that doesn't make your face feel like it's on fire. A genuine gateway product that works.

sensitivenormal
4.5 (15.0k)
$23.00
Promising large pores
No.21
Klairs Vitamin PDRN Bouncy Pore Serum 35 mL bottle with dropper PDRN Trend Pick
Klairs serum

Vitamin PDRN Bouncy Pore Serum

A heavily loaded pore serum that rides the PDRN wave intelligently — pairing a vegan, plant-derived PDRN and a five-form vitamin C complex with three peptides, niacinamide and astaxanthin, all fragrance-free. The well-established actives carry it; PDRN and NMN are promising trend ingredients whose topical evidence is still being written.

normalcombination Fragrance Free
4.3 (280)
$31.00
Supporting role excess oiliness
No.22
Klairs Gentle Black Fresh Cleansing Oil clear pump bottle 150ml Minimalist Oil Cleanse MVP
Klairs cleanser

Gentle Black Fresh Cleansing Oil

Six ingredients. Zero fragrance. Zero irritants. The Fresh version proves that a cleansing oil doesn't need complexity to perform — sunflower, jojoba, grape seed, and black currant oils handle everything from waterproof mascara to daily SPF, while leaving oily and sensitive skin feeling genuinely clean rather than coated.

oilycombination Fragrance Free
4.6 (800)
$24.00
Supporting role dullness
No.23
Klairs Freshly Juiced Vitamin Mask Cleanser 150 mL tube Brightening Deep-Clean Pick
Klairs cleanser

Freshly Juiced Vitamin Mask Cleanser

A satisfying 2-in-1 brightening cleanser-mask — a luxurious meringue foam with kaolin clay, PHA and a vitamin C, glutathione and niacinamide trio. It deep-cleans oily skin genuinely well. The classic soap base is effective but alkaline and can feel stripping, and orange peel oil keeps it off the list for dry and sensitive skin.

oilycombination
4.2 (240)
$18.00
Promising aging
No.24
Klairs Blue Youth Activating Drop 20ml bottle — Korean EGF and FGF growth factor ampoule K-Beauty Growth Factor Pick
Klairs serum

Blue Youth Activating Drop

Klairs Blue Youth Activating Drop is the brand's flagship anti-aging ampoule combining EGF and FGF at 10ppm each (the highest concentrations allowed by Korean MFDS), guaiazulene for calming, adenosine for documented anti-aging action, and blueberry for antioxidant support. Fragrance-free, alcohol-free, vegan, and cruelty-free. At 39 dollars for 20ml, this is one of the best-formulated K-beauty growth factor serums.

sensitivenormal Fragrance Free
4.4 (2.4k)
$39.00

More about Klairs

Founded in 2010 as the flagship skincare brand of South Korea's Wishcompany, Klairs (Dear, Klairs) is a widely reviewed, sensitive-skin-focused line with several global million-seller products; it is certified cruelty-free and built its reputation on gentle, hypoallergenic formulas.