Intensive Treatment Essence

ISOI

Where to buy Possibly in stock

About this product

The ISOI Intensive Treatment Essence is a serums, essence, ampoule. Our analysis of its 39 ingredients (25 low-risk) rates it Excellent (96/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
39
Low-risk
25
Fragrance
Fragrance-free
Origin
South Korea

The evidence

Quick Product Notes

Paraben-Free Sulfate-Free Alcohol-Free Silicone-Free EU Allergen-Free Fungal Acne (Malassezia) Safe

Notable Effects & Ingredients

No Notable Effects & Ingredients

Ingredients Related to Skin Types

Good   Bad — tap a skin type to see which ingredients · estimated from ingredient functions
Dry Skin 5/5
Good for dry skin
Betaine Butylene Glycol Glycerin Trehalose Scutellaria Baicalensis Root Extract
Caution for dry skin
Centella Asiatica Extract Xanthan Gum Glycerin Scutellaria Baicalensis Root Extract Alcohol
Oily/Acne-Prone Skin 2/0
Good for oily/acne-prone skin
Scutellaria Baicalensis Root Extract Alcohol
Sensitive Skin 7/8
Good for sensitive skin
Arbutin Paeonia Suffruticosa Root Extract Centella Asiatica Extract Glycerin Scutellaria Baicalensis Root Extract Allantoin Sophora Japonica Bud Extract
Caution for sensitive skin
Rosa Damascena Flower Oil Calendula Officinalis Flower Extract Butylene Glycol Glycerin Alcohol Citronellol Geraniol Cinnamomum Cassia Bark Extract

Ingredients list

39 total
Lower hazard (1) Higher hazard (7)
All39 Skin Conditioning32 Humectant7 Masking7 Soothing6 Solvent5 Hair Conditioning5 Skin Protecting5 Tonic4
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
2
A
Glycerin
(Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care Agent, Oral Health Care Drug, Skin Protecting, Viscosity Decreasing Agent, Perfuming, Solvent)
Good for Dry Skin
Good for Dry Skin
Fungal Acne
Fungal Acne Trigger
2
Alcohol
(Antifoaming Agent, Antimicrobial, Astringent, Masking, Solvent, Viscosity Controlling)
Bad for Dry Skin
Bad for Dry Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
1
B
Betaine
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning, Viscosity Controlling)
1
Arbutin
(Antioxidant, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
1
A
Trehalose
(Flavoring Agent, Humectant, Moisturising)
1
A
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
1
A
Allantoin
(Skin Conditioning, Skin Protecting, Soothing)
Good for Oily Skin
Good for Oily Skin
Good for Sensitive Skin
Good for Sensitive Skin
1
Rosa Damascena Flower Oil
(Masking, Skin Conditioning)
1
Adenosine
(Skin Conditioning)
1
Rhus Semialata Gall Extract
(Skin Conditioning)
olea europaea leaf extract
(Perfuming, Skin Conditioning)
Chrysanthemum Indicum Flower Extract
(Skin Conditioning)
Sophora Japonica Bud Extract
(Skin Protecting, Soothing)
1
Prunella Vulgaris Leaf Extract
(Skin Conditioning)
1
A
Calendula Officinalis Flower Extract
(Masking, Perfuming, Skin Conditioning)
1
Palmitoyl Tripeptide-5
(Skin Conditioning)
1
Lactobacillus/Soybean Ferment Extract
(Skin Conditioning)
salix alba bark extract
(Astringent, Hair Conditioning, Skin Conditioning, Soothing, Tonic)
Cinnamomum Cassia Bark Extract
(Hair Conditioning, Masking, Oral Care Agent)
1
Origanum Vulgare Leaf Extract
(Skin Conditioning)
Chamaecyparis Obtusa Leaf Extract
(Skin Conditioning)
1
Scutellaria Baicalensis Root Extract
(Astringent, Humectant, Soothing)
1
Portulaca Oleracea Extract
(Skin Conditioning)
1
Castanea Crenata Shell Extract
(Skin Conditioning)
Malpighia Glabra Fruit Extract
(Skin Conditioning)
Corchorus Olitorius Leaf Extract
(Skin Conditioning)
Brassica Oleracea Italica Extract
(Astringent)
rosmarinus officinalis extract
(Antimicrobial, Refreshing, Tonic)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
A
1,2-Hexanediol
(Solvent)
1
Melaleuca Viridiflora Leaf Oil
(Skin Conditioning)
Chamomilla Recutita Flower/Leaf Extract
(Antimicrobial)
1
B
Centella Asiatica Extract
(Cleansing, Skin Conditioning, Smoothing, Soothing, Tonic)
glycyrrhiza glabra root extract
(Bleaching, Perfuming, Skin Conditioning, Skin Conditioning Emollient, Smoothing, Soothing)
1
Paeonia Suffruticosa Root Extract
(Skin Protecting)
5
Citronellol
(Fragrance, Masking)
Allergens
Allergens
7
Geraniol
(Fragrance, Masking, Tonic)
Allergens
Allergens

My Ingredient Notes

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Key ingredients

Peptides
Supports skin hydration and improves firmness.
Arbutin
Gently brightens and evens skin tone.
Antioxidants
Shields skin from free radical damage.

Benefits

HydratingBoosts hydration and relieves dry, tight skin.
Reduces IrritationEases discomfort and supports skin resilience.
Redness ReducingSoothes visible redness and calms irritation.
Barrier RepairStrengthen and restore your skin's natural barrier.
Scar HealingImproves the look of marks and scars.
Anti-AgingSoftens lines and helps skin look youthful.
Dark SpotsFades dark spots for even skin tone.
BrighteningRestores radiance to dull, tired skin.

Concerns

Contains eu allergen
Not fungal acne (malassezia) safe
Geraniol — higher EWG
May not suit sensitive skin

EWG flags hazard, not real-world risk — ratings don't account for how much of an ingredient a product contains. Treat these as things to research, not verdicts. How we score →

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Betaine
Hair conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Hair conditioningHumectantAntistatic agentSkin conditioningViscosity controlling
Trehalose
Flavoring agent, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Flavoring agentHumectantMoisturising
Xanthan Gum
Binding agent, Emulsion stabilising
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentEmulsion stabilisingSkin conditioningSurfactant -emulsifying agentViscosity increasing agentBindingGel formingViscosity controlling
Rosa Damascena Flower Oil
Masking, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 MaskingSkin conditioning
Adenosine
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Rhus Semialata Gall Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
olea europaea leaf extract
Perfuming, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A PerfumingSkin conditioning
Chrysanthemum Indicum Flower Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Sophora Japonica Bud Extract
Skin protecting, Soothing
Limited public safety data.Read moreShow less
EWG N/A Skin protectingSoothing
Prunella Vulgaris Leaf Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Calendula Officinalis Flower Extract
Masking, Perfuming
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A MaskingPerfumingSkin conditioning
Palmitoyl Tripeptide-5
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Lactobacillus/Soybean Ferment Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
salix alba bark extract
Astringent, Hair conditioning
Limited public safety data.Read moreShow less
EWG N/A AstringentHair conditioningSkin conditioningSoothingTonic
+ 16 more — see the full ingredients list above
Glycerin
Denaturant, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A DenaturantFragranceHair conditioningHumectantOral care agentOral health care drugSkin protectingViscosity decreasing agentPerfumingSolvent Good for Dry SkinFungal-acne trigger
Alcohol
Antifoaming agent, Antimicrobial
Causes moisture evaporation - prone to dry out skinRead moreShow less
EWG 2 Antifoaming agentAntimicrobialAstringentMaskingSolventViscosity controlling Bad for Dry SkinBad for Sensitive Skin
Arbutin
Antioxidant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 AntioxidantSkin conditioning Good for Dry Skin
Panthenol
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioningSkin conditioning Good for Dry Skin
Allantoin
Skin conditioning, Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSkin protectingSoothing Good for Oily SkinGood for Sensitive Skin
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
Citronellol
Fragrance, Masking
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceMasking Allergens
Geraniol
Fragrance, Masking
Higher-hazard ingredient.Read moreShow less
EWG 7 FragranceMaskingTonic Allergens

How to use

How to use

  • 1 Where it fits: Apply after toner and before moisturiser — thinnest to thickest.
  • 2 Morning & evening: Suitable for both AM and PM use.

General guidance from this product's category and active ingredients — always follow the directions on the package.

Trust & honesty

Officially notified as a cosmetic in Malaysia (NPRA). Government registration record.

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