OHUI Serums
OHUI serums span their luxury skin care lines - from the Miracle Toning Glow and Extreme White brightening serums to the Prime Advance Ampoule and The First Generature All-In-One Serum. With 32+ serum-category products, the collection covers brightening, anti-aging, hydration, and intensive treatment serums across OHUI's flagship and specialist lines. OHUI is a Korean prestige brand under LG H&H.
By Skinsli editorial Updated
Buying guide
OHUI Serum Buying Guide: Toning Glow, Extreme White, The First Generature, and More
OHUI is a Korean prestige beauty brand under LG H&H with multiple serum lines that serve different skin care concerns - from brightening with the Extreme White and Toning Glow lines to intensive anti-aging with The First Generature and Prime Advance Ampoule. With 32+ serums in this collection, the key decision is which OHUI line matches your primary skin goal. This guide maps each line to its target concern.
OHUI as a luxury serum brand
OHUI sits in the prestige tier of Korean cosmetics alongside Whoo and Sum37 - all three are LG H&H brands sold in department stores. Their serums are developed for an adult market that prioritizes visible results over minimalist formulas. OHUI invests in multi-active formulations: their serums tend to layer brightening, hydration, and anti-aging in a single product rather than asking users to stack multiple single-function products.
The brand's serum line spans both focused treatment formats (ampoule serums at 50ml) and all-in-one formats (The First Generature 90ml). This reflects a range from intensive spot-treatment style use to simplified routines where one serum covers multiple concerns simultaneously.
Miracle Toning Glow Serum: brightening in two sizes
The Miracle Toning Glow Serum is available in 50ml and a 20ml travel size, and there is also a Toning Glow Serum 20ml listed separately. The Miracle Toning Glow is the flagship version in this line - the "Miracle" prefix in OHUI naming typically designates a premium formula iteration. The 20ml is the same formula in a travel-ready or trial size; the 50ml is the main home-use format.
This serum targets skin tone unevenness - the name references both brightening (toning) and luminosity (glow). It is an everyday brightening serum suited for morning and evening use, positioned for skin that looks dull or has uneven tone without significant concerns about hyperpigmentation spots. For more targeted dark-spot treatment, the Extreme White Serum is the more concentrated option in the brightening category.
Extreme White Serum 45ml: targeted brightening
The Extreme White Serum (45ml) is OHUI's brightening-specialist serum from the Extreme White line. "Extreme" in the product name signals a higher concentration of brightening actives compared to the Toning Glow. This line addresses hyperpigmentation, post-inflammatory marks, and age spots in addition to general dullness.
The Extreme White Serum should be used once daily - morning or evening - on clean skin before moisturizer. It is more appropriate for skin with visible dark spots or significant unevenness than the Toning Glow, which is better for general luminosity maintenance. Both can be used sequentially in a layered routine (Toning Glow first, Extreme White as the concentrated spot treatment), but most users choose one based on their primary concern.
Prime Advance Ampoule Serum 50ml: anti-aging intensive
The Prime Advance Ampoule Serum (50ml) is an ampoule-format serum from OHUI's Prime Advance line - their anti-aging intensive care tier. Ampoule serums are higher-concentration than standard serums and are applied in smaller amounts (3-5 drops) before a full serum or moisturizer. The Prime Advance line targets firmness, fine lines, and skin density rather than brightening.
Use the Prime Advance Ampoule in the evening for maximum anti-aging efficacy, applying it after toning and before your moisturizer or night cream. It can also be used in the morning under SPF. In a full OHUI layered routine, the ampoule comes before the full serum step - apply 3-5 drops, allow a minute to absorb, then apply your moisturizer or additional serum.
The First Generature All-In-One Serum 90ml
The First Generature is OHUI's flagship anti-aging line incorporating hanbang (Korean herbal) actives. The All-In-One Serum (90ml) is designed to replace multiple steps in a routine - it functions as both a softener/toner and a serum in a single product. At 90ml it is the largest serum format in this collection, suited for users who want a simplified luxury routine.
The Generature line uses cell regeneration and hanbang ingredient complexes that OHUI developed specifically for this premium range. The All-In-One Serum is best for mature skin with concerns about fine lines, loss of firmness, and overall vitality. Because it is an all-in-one product, you can apply it immediately after cleansing and skip a separate toner step.
The First Generature Skin Softener 150ml
The First Generature Skin Softener (150ml) is a separate product from the All-In-One Serum - it is the toning/softening first step of The First Generature routine. Skin softeners in Korean beauty are applied before serums to hydrate and prepare skin for better serum absorption. At 150ml it is the largest product format in the Generature line available here.
If you want to build a full The First Generature routine, use the Skin Softener first, then the All-In-One Serum, then a Generature cream if available. The Softener alone provides meaningful hydration for normal-to-dry skin, particularly useful in dry climates or heated indoor environments where skin loses moisture quickly after cleansing.
Dual Mascara Volume and Serum
The Dual Mascara Volume & Serum (10ml, also listed as Dual Mascara Volume and Serum Black) is a makeup-meets-care hybrid: a mascara with a serum formula component. This product type has become popular in Korean beauty as a way to condition lashes during mascara wear. The 10ml is a standard mascara tube size.
The Dual Mascara Volume & Serum sits in this collection because the tag indexing includes it as a serum-category product due to the serum component in the formula. In practice it is a mascara first. If you are looking for a volumizing mascara with an added lash care component, this is the OHUI option. For a pure face serum, the Toning Glow, Extreme White, or Prime Advance lines are the relevant products.
Which OHUI serum matches your skin concern
Dull or uneven skin tone: Miracle Toning Glow Serum 50ml for daily brightening. Visible dark spots or hyperpigmentation: Extreme White Serum 45ml for more concentrated action. Fine lines, firmness, or mature skin: Prime Advance Ampoule Serum 50ml (evening) or The First Generature All-In-One Serum 90ml (if you want an all-in-one luxury approach). Simplified anti-aging routine with fewer steps: The First Generature All-In-One Serum covers toner and serum in one product. Mascara with lash care: Dual Mascara Volume & Serum 10ml. For trial size before committing to a full bottle: Miracle Toning Glow Serum 20ml or Toning Glow Serum 20ml.
FAQ
Frequently asked questions
FAQ
Frequently asked questions
What is the difference between OHUI Miracle Toning Glow Serum and Extreme White Serum?
The Miracle Toning Glow Serum is an everyday brightening serum for general dullness and uneven tone. The Extreme White Serum is more concentrated and targets hyperpigmentation, dark spots, and post-inflammatory marks. If your skin looks dull but you do not have significant spots, Toning Glow is the daily maintenance option. If you have visible pigmentation you want to reduce, Extreme White is the targeted formula.
How do I apply the Prime Advance Ampoule Serum?
Apply 3-5 drops of the Prime Advance Ampoule Serum to clean, toned skin, pressing it gently into the face and neck. Allow about a minute for it to absorb before applying your moisturizer or full serum. It is an intensive anti-aging formula from OHUI's Prime Advance line, best used in the evening. It can also be used in the morning before SPF.
What is The First Generature Skin Softener for in the routine?
The First Generature Skin Softener (150ml) is the first step in the Generature routine, applied immediately after cleansing. It hydrates and prepares skin to absorb the serum better. Apply it with a cotton pad or palms, let it absorb, then follow with The First Generature All-In-One Serum. The softener and the all-in-one serum together form the core two-step Generature routine.
Can The First Generature All-In-One Serum replace toner and serum?
Yes. The All-In-One Serum (90ml) is formulated to combine the toning and serum steps into one product. Apply it after cleansing on dry skin and skip a separate toner. It is OHUI's simplified luxury option for users who do not want to layer multiple products. If you want to use it alongside The First Generature Skin Softener, apply the softener first and the all-in-one serum second.
Should I start with the Toning Glow Serum 20ml or go straight to the 50ml?
If you have not used the OHUI Toning Glow formula before, the 20ml is a good starting size - it gives you several weeks of daily use to confirm the formula works for your skin. Once you are sure about it, the Miracle Toning Glow Serum 50ml is the better ongoing value. The 20ml and the Miracle Toning Glow Serum 20ml are the same formula in trial size.
What does the serum component in OHUI Dual Mascara Volume & Serum do for lashes?
The serum component in the Dual Mascara Volume & Serum is a lash conditioning formula that applies during normal mascara wear. It helps keep lashes hydrated and reduces brittleness from daily mascara application and removal. The volume component adds fullness; the serum component provides care. This is not a clinical lash growth treatment - it is a conditioning additive designed to maintain lash health during everyday use.
Does OHUI use hanbang ingredients in their serums?
Yes, particularly in The First Generature line. Hanbang (Korean traditional herbal medicine-derived) actives appear in the Generature formulas and are part of OHUI's positioning as a luxury-hanbang brand. The brand blends traditional Korean botanical extracts with modern skin care technology, which is a common approach in the Korean prestige market. Other OHUI serum lines like Extreme White and Prime Advance focus more on modern cosmetic actives.
What is the Foeman Meister Fresh Skin 150ml?
Foeman Meister Fresh Skin (150ml) is a skin-softening or toning product from OHUI's Foeman Meister line. At 150ml it is a larger-format skin prep product applied after cleansing to hydrate and prep skin for serum application. The "Meister" designation in OHUI naming typically signals a specialist formula iteration. It functions similarly to The First Generature Skin Softener but from a different OHUI product family.