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Rose Galactomyces Synergy Serum

Rose Galactomyces Synergy Serum

Product Description

Product overview

Made in South Korea K-BEAUTY

A lightweight, fast-absorbing serum powered by 50% Galactomyces Ferment Filtrate and 10% Rose Water to hydrate, brighten, and balance sebum production while minimizing the appearance of enlarged pores for a healthy, radiant glow.

Vegan Cruelty-Free Alcohol-Free Fragrance-Free Paraben-Free Silicone-Free Oil-Free EWG Green Rated
Pregnancy
Yes
Fungal Acne
No
Comedogenic
1/5
Size
50ml / 1.69 fl oz
Price
$15-21 USD
pH Level
5.5-6.5
Concerns
Dullness, Pores
Use Time
AM & PM
Real reviews · YouTube Shorts
Why it's different

Rose Water Hydration

10% Rosa Centifolia Flower Water delivers deep hydration while soothing and calming irritated skin with natural anti-inflammatory properties.

01

Texture & feel

SENSORY
Consistency
Lightweight Gel
Scent
Fragrance-Free
Absorption
15-30 seconds
Finish
Dewy Glow

Rose Water Hydration

10% Rosa Centifolia Flower Water delivers deep hydration while soothing and calming irritated skin with natural anti-inflammatory properties.

Fermented Brightening

50% Galactomyces Ferment Filtrate rich in vitamins, amino acids, and minerals to brighten dull skin and improve overall skin texture.

Pore & Sebum Control

Helps regulate excess oil production and minimize the appearance of enlarged pores for a more refined, balanced complexion.

Anti-Aging Benefits

Niacinamide and Adenosine work together to reduce fine lines, improve skin elasticity, and provide antioxidant protection.

02

Safety & compatibility

SAFE
Pregnancy & Breastfeeding Safe

Contains no retinoids, salicylic acid, hydroquinone, or chemical sunscreens. All ingredients are considered safe during pregnancy and breastfeeding.

Not Fungal Acne (Malassezia) Safe

Contains Galactomyces Ferment Filtrate, a fermented ingredient that may feed Malassezia yeast and potentially trigger fungal acne flare-ups.

Low Comedogenic Rating (1/5)

Oil-free, lightweight formula with no heavy pore-clogging ingredients. Very unlikely to cause breakouts for most skin types.

Sensitive Skin Friendly

Hypoallergenic formula free from alcohol, artificial fragrance, parabens, and sulfates. Contains soothing allantoin and licorice extract.

03

Ingredient breakdown

INGREDIENTS

Galactomyces Ferment Filtrate 50%Proven

A fermented yeast extract rich in vitamins, amino acids, minerals, and organic acids. Similar to SK-II's famous Pitera ingredient, it helps improve skin's natural moisturizing factors (NMF) and provides antioxidant protection.

  • Research: Studies show GFF increases hyaluronan production in epidermal cells for better hydration
  • Benefit: Helps regulate sebum production and keratin for balanced, clear skin
  • Antioxidant: Protects against oxidative stress and UV-induced inflammation
Fermented ingredients may not be suitable for those prone to fungal acne (Malassezia folliculitis).

Rosa Centifolia Flower Water 10%Proven

Also known as Cabbage Rose Water, this natural hydrator has powerful moisturizing and rebalancing abilities. It helps maintain skin's pH balance and provides anti-inflammatory benefits.

  • Hydration: Natural humectant that draws moisture to the skin
  • Soothing: Anti-inflammatory properties help reduce redness and irritation
  • Antioxidant: Rich in natural antioxidants that protect skin cells
Gentle enough for sensitive skin; helps maintain healthy skin barrier.

Niacinamide (Vitamin B3) 2%Proven

A multi-tasking powerhouse that brightens skin, regulates oil production, strengthens the skin barrier, and helps reduce the appearance of pores and fine lines.

  • Brightening: Inhibits melanin transfer to reduce dark spots and even skin tone
  • Oil Control: Regulates sebum production without drying the skin
  • Anti-Aging: Boosts collagen production and improves skin elasticity

Adenosine 0.04%Proven

A naturally occurring compound that helps reduce the appearance of wrinkles and improves skin elasticity. It's gentle yet effective for anti-aging benefits.

  • Clinical Study: Shown to help improve deep wrinkles in high-quality clinical trials
  • Collagen Support: Promotes collagen synthesis for firmer skin
  • Soothing: Has anti-inflammatory properties that calm irritated skin

Sodium Hyaluronate <1%Proven

The salt form of hyaluronic acid with a smaller molecular size that penetrates deeper into the skin to provide intense, long-lasting hydration.

  • Hydration: Can hold up to 1000x its weight in water
  • Penetration: Smaller molecules reach deeper skin layers than regular HA
  • Plumping: Helps reduce the appearance of fine lines by hydrating from within

21 ingredients

Galactomyces Ferment Filtrate, Water, Rosa Centifolia Flower Water, Glycerin, Butylene Glycol, 1,2-Hexanediol, Niacinamide, Carbomer, Adenosine, Allantoin, Dipotassium Glycyrrhizate, Arginine, Sodium Hyaluronate, Caprylyl Glycol, Pentylene Glycol, Perilla Frutescens Leaf Extract, Aspalathus Linearis Extract, Commiphora Myrrha Resin Extract, Glycyrrhiza Glabra (Licorice) Root Extract, Ethylhexylglycerin, Yucca Schidigera Root Extract

FREE FROM: Alcohol, Artificial Fragrance, Parabens, Sulfates, Silicones, Mineral Oil, Artificial Colors, Phthalates, PEGs, Formaldehyde Releasers
04

Where it fits in your routine

ROUTINE
1
Cleanser
2
Toner
3
This Serum
4
Essence
5
Moisturizer
6
Sunscreen (AM)

Apply after toner and before heavier serums or moisturizers. Can be used both morning and night. Layer from thinnest to thickest consistency.

05

How to use

HOW TO USE
1

Cleanse & Tone

Start with freshly cleansed skin. Apply your toner and allow it to absorb before proceeding.

2

Dispense 2-3 Drops

Using the glass dropper, dispense 2-3 drops of serum onto your fingertips or directly onto your face.

3

Apply & Pat

Gently spread the serum across your face and neck. Pat lightly with fingertips to encourage absorption.

4

Follow with Moisturizer

Once absorbed (15-30 seconds), continue with your essence, moisturizer, and sunscreen (AM).

06

Who is it for?

WHO

Perfect for you if:

  • You have dull, tired-looking skin that needs brightening
  • You want to minimize enlarged pores and control oil
  • You're looking for a lightweight hydrating serum
  • You want anti-aging benefits without heavy formulas
  • You prefer affordable K-Beauty alternatives to SK-II
  • You're pregnant or breastfeeding and need safe skincare
  • You have combination to oily skin that gets shiny

Consider alternatives if:

  • You have fungal acne (Malassezia folliculitis)
  • You're sensitive or allergic to fermented ingredients
  • You have very dry skin needing intensive moisture
  • You prefer products with a strong rose scent
  • You need a single product that does everything
  • You react negatively to yeast-derived ingredients
07

Skin type compatibility

SKIN TYPES
Oily Skin
Excellent

Lightweight, fast-absorbing formula controls sebum without adding shine. Perfect for regulating oil production.

Dry Skin
Good

Provides hydration but may need a richer moisturizer on top. Best layered with heavier products.

Combination Skin
Excellent

Ideal for balancing oil in T-zone while hydrating dry areas. Normalizes water-oil balance effectively.

Sensitive Skin
Good

Fragrance-free with soothing allantoin and licorice. Patch test recommended for very reactive skin.

Acne-Prone Skin
Moderate

Low comedogenic rating is good, but fermented ingredients may trigger fungal acne. Not for Malassezia-prone skin.

08

Results timeline

WEEK 12+
Week 1-2

Immediate Hydration & Glow

Skin feels more hydrated and looks more radiant immediately after application. Initial dewiness and softness noticeable.

85% noticed hydration improvement
Week 3-4

Texture Improvement

Skin starts to feel smoother with improved texture. Sebum production becomes more balanced, especially in T-zone.

70% noticed texture improvement
Week 6-8

Brightening & Pore Refinement

Visible brightening of dull skin. Pores appear more refined. Niacinamide and Adenosine show cumulative anti-aging effects.

65% noticed brighter complexion
Week 12+

Long-Term Anti-Aging Benefits

Fine lines appear reduced with continued use. Skin elasticity improves. Overall healthier, more youthful appearance.

55% noticed fine line reduction
09

Ratings by platform

5K+ REVIEWS
iHerb
4.6
Rating
2,800+
Reviews
Main complaint: Some users expected more visible pore-minimizing results
YesStyle
4.5
Rating
1,500+
Reviews
Main complaint: Slight stickiness before fully absorbed
Amazon
4.4
Rating
800+
Reviews
Main complaint: Glass bottle is fragile for shipping; authenticity concerns from third-party sellers
Brand Website
4.7
Rating
500+
Reviews
Main complaint: 50ml size runs out quickly with daily use
10

Pros & cons

BALANCED

Praised

  • Excellent value compared to luxury fermented essences
  • Lightweight, non-greasy formula absorbs quickly
  • Visible brightening and glow effect
  • Gentle enough for sensitive skin
  • Fragrance-free and hypoallergenic
  • Helps control sebum production
  • Clean, minimal ingredient list
  • Vegan and cruelty-free

Criticized

  • Not suitable for fungal acne-prone skin
  • Pore-minimizing effects are subtle
  • Glass dropper bottle is fragile
  • 50ml size may not last long
  • Can feel slightly sticky before absorption
  • No strong rose scent despite the name
  • Results require consistent long-term use
11

Budget-friendly alternatives (dupes)

DUPES
90% Match
Galactomyces 95 Tone Balancing Essence
$14-20
Budget Pick

Higher GFF concentration (95% vs 50%) but lacks rose water. Similar brightening and hydrating benefits. 100ml size offers better value per ml.

85% Match
Starting Treatment Essence - Rose Edition
$12-18
Budget Pick

Contains 94% Galactomyces plus rose water like iUNIK. Larger 150ml bottle. More watery texture but very similar benefits and philosophy.

70% Match
Time Revolution The First Treatment Essence Rx
$35-45
Similar Tier

Uses Saccharomyces ferment (slightly different from Galactomyces). More luxurious feel and packaging. Higher price point but cult favorite status.

50% Match
Facial Treatment Essence (Pitera Essence)
$185+

The original fermented essence that inspired K-Beauty dupes. 90% Pitera (proprietary GFF). Iconic but extremely expensive. iUNIK offers ~90% of results at 10% of the price.

12

Comparison with competitors

SIDE-BY-SIDE
Galactomyces 95 Tone Balancing Essence
Key Ingredient 95% Galactomyces
Niacinamide 2%
Adenosine Yes
Price per ml $0.18/ml
Fragrance-Free Yes
Facial Treatment Essence (Pitera Essence)
Key Ingredient 90% Pitera (GFF)
Niacinamide No
Adenosine No
Price per ml $2.47/ml
Fragrance-Free Yes
Starting Treatment Essence - Rose Edition
Key Ingredient 94% Galactomyces + Rose
Niacinamide Yes
Adenosine Yes
Price per ml $0.10/ml
Fragrance-Free No
13

Storage & shelf life

12 MONTHS
Period After Opening (PAO)

12 months after opening. Unopened shelf life is 3 years from manufacturing date.

Storage

Store in a cool, dry place away from direct sunlight. Refrigeration is optional but can enhance the refreshing feel.

Packaging

Glass dropper bottle with pipette for hygienic, precise dispensing. Protects formula from contamination.

Travel Friendly

Yes, 50ml is under the 100ml TSA carry-on limit. Pack carefully as glass bottle is fragile.

13

Frequently asked questions

FAQ

Yes, this serum is considered safe during pregnancy and breastfeeding. It contains no retinoids, salicylic acid, hydroquinone, benzoyl peroxide, or chemical sunscreens—ingredients typically avoided during pregnancy. All ingredients are rated green (safe) by EWG. However, always consult your healthcare provider before adding new products to your routine during pregnancy.

No, this serum is NOT fungal acne safe. It contains Galactomyces Ferment Filtrate, a fermented yeast extract that can potentially feed Malassezia yeast and trigger fungal acne flare-ups. If you're prone to fungal acne (pityrosporum folliculitis), look for ferment-free alternatives like The Ordinary Niacinamide 10% + Zinc 1% or Paula's Choice products.

Yes, this serum is compatible with most actives! Its gentle, hydrating formula works well with retinol (apply serum first, then retinol), vitamin C (can use in same routine), and AHA/BHA (apply after exfoliants). The niacinamide in this serum actually complements vitamin C despite old myths. For sensitive skin, introduce one active at a time and consider alternating AM/PM use.

This serum is best suited for oily, combination, and normal skin types due to its lightweight texture and sebum-regulating properties. Dry skin types can use it but should layer with a richer moisturizer. It's excellent for those with dull skin seeking brightening, enlarged pores, or uneven texture. Not recommended for those with fungal acne or yeast sensitivities.

Hydration and glow are often noticed immediately or within the first 1-2 weeks. Texture improvements and sebum regulation typically show within 3-4 weeks. Brightening effects from niacinamide and galactomyces usually become visible around weeks 6-8. Anti-aging benefits like fine line reduction require at least 12+ weeks of consistent use. Individual results vary based on skin type and concerns.

Apply this serum after cleansing and toning, before heavier serums and moisturizer. In a typical K-beauty routine: Cleanser → Toner → THIS SERUM → Essence → Ampoule → Eye Cream → Moisturizer → Sunscreen (AM). The rule is thinnest to thickest consistency. Can be used both morning and night.

This serum has a very low comedogenic rating of 1/5 and is unlikely to clog pores for most people. It's oil-free, silicone-free, and contains no heavy comedogenic ingredients. The niacinamide actually helps regulate sebum and minimize pore appearance. However, everyone's skin is different—if you're very acne-prone, patch test first.

The serum has a 12-month PAO (Period After Opening) once opened. Unopened, it has a 3-year shelf life from the manufacturing date. The Korean date format on packaging is YYYYMMDD. To maximize shelf life, keep the bottle tightly closed, avoid touching the dropper to your skin, and store away from direct sunlight and heat.

— Skincarisma verdict
4.5 / 5 ★★★★★

Verdict: The iUNIK Rose Galactomyces Synergy Serum is an excellent budget-friendly alternative to luxury fermented essences like SK-II. With 50% Galactomyces Ferment Filtrate and 10% Rose Water, plus proven actives like Niacinamide and Adenosine, it delivers real brightening, hydrating, and anti-aging benefits at a fraction of the price. Perfect for oily to combination skin seeking a lightweight, glow-boosting serum. The only significant drawback is that it's not suitable for fungal acne-prone skin due to fermented ingredients. For the price point and ingredient quality, this is a standout K-beauty serum that punches well above its weight class.

Product Overview

question
lightbulb What are Quick Product Notes?

Quick product notes are a great way to check if a product is free from commonly avoided ingredients by skincare enthusiasts. These preferences come about for different reasons depending on the ingredient such as personal experiences, sensitivities, health preferences & etc.

muscle Pro Tip Alert!

Just because a product is not free from a common preference does not mean it's a bad product! You can make a personal decision whether or not you want to use a product that contains these ingredients or not - click the labels of the preference to read more about them.

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Quick Product Notes

Click on icons for more information
question
lightbulb What are Notable Effects & Ingredients?

Ever used a product that promised a certain effect but provided no results? It might not have contained any notable ingredients that could have been responsible for that promised effect. It doesn't matter what the marketing or packaging «promises» it can do, if it doesn't contain anything that can help - then the likelihood of it helping is low.

We help you identify key notable ingredients that have been shown to help with effects such as acne-fighting, brightening, UV-protection, wound healing & anti-aging to help you achieve your skincare goals smarter. Please note that different notable ingredients have varying levels of research behind them, some are extremely well proven yet some have mixed research in their efficacy.

muscle Pro Tip Alert!

Just because a product doesn't contain any notable ingredients doesn't mean it's bad. And a product with notable ingredients (or even many) doesn't necessarily guarantee the efficacy of the product performing these effects either. There are other factors such as ingredient quality, concentration and formulation that will ultimately determine this.

Be smart and use this as just a starting point for you to make more informed and smarter choices and compare it with reviews to see if the product is right for you

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Notable Effects & Ingredients

anti-aging Anti-Aging from 3 ingredient(s):
Galactomyces Ferment Filtrate Niacinamide Adenosine
brightening Brightening from 2 ingredient(s):
Glycerin Niacinamide
wound Promotes Wound Healing from 6 ingredient(s):
Glycerin Niacinamide Adenosine Allantoin Arginine Sodium Hyaluronate
ache Ache-fighting from 1 ingredient(s):
Niacinamide
question
lightbulb What are Ingredients Related to Skin Type?

Why are some products great for some people and horrible for others? Well everyone has different skin types and different reactions to the same ingredients.

We've identified a range of ingredients that are commonly regarded as potentially good or bad for those with Dry, Oily/Acne-Prone or Sensitive skin.

muscle Pro Tip Alert!

A product that contains good or bad ingredients for your skin type doesn't always flat out make the entire product good or bad for your skin. There are other factors such as ingredient quality, concentration and formulation that will ultimately determine your skins reaction.

One of the best ways to use this section is to troubleshoot products you've had bad experiences with in the past. Check if it contains any of the marked ingredients to point out suspect ingredients to avoid in the future!

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Ingredients Related to Skin Types

Click on icons for more information
dry-skin Dry Skin
3
oily-skin Oily/Acne-Prone Skin
2
sensitive-skin Sensitive Skin
1
question
lightbulb What is the Ingredient Safety Breakdown?

Ingredient Safety Breakdown refers to the percentage % of ingredients in different risk categories as classified by EWG (Environment Working Group) if they are available. There are almost endless cosmetic ingredients and they are one of the few organisations globally that have assigned ratings to a lot of the more commonly used ingredients which is why we reference them.

muscle Pro Tip Alert!

EWG is seen by many to be more on the alarmist side in their assignment of health ratings resulting in rating ingredients as riskier than they actually are. We recommend using this a reference point rather than a strict guide of ingredient safety and to always do further research if into ingredients that you may find suspect.

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Ingredient Safety Breakdown

EWG Health Ratings
Low risk
Medium risk
High risk
Unknown risk
75% 25%

Product ingredient list

Showing first 5 of 20 ingredients
EWG CIR Ingredient Name & Cosmetic Functions Notes
0 Unknown
Galactomyces Ferment Filtrate
Humectant
anti-aging Anti-Aging
Hydrating
Redness
Irritation
1 Unknown
Water
Solvent, Skin Conditioning
0
Rosa Centifolia Flower Water
2 A
Glycerin
Solvent, Perfuming, Fragrance, Humectant, Viscosity Decreasing Agent, Hair Conditioning, Skin Protecting, Denaturant, Skin Conditioning
brightening Brightening
Promotes Wound Healing
Hydrating
1 A
Butylene Glycol
Solvent, Skin Conditioning, Masking, Fragrance, Humectant, Viscosity Controlling, Viscositydecreasing Agent
Hydrating
VIEW ALL INGREDIENTS