Serum Omega

Yon-ka

Where to buy Possibly in stock

About this product

The Yon-ka Serum Omega is a serums, essence, ampoule. Our analysis of its 33 ingredients (13 low-risk) rates it Excellent (87/100). Based on its ingredients, it looks well-suited to dry skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
33
Low-risk
13
Fragrance
Contains fragrance
Origin
France

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 5/3
Good for dry skin
Ethyl Linolenate Ethyl Linoleate Ethyl Stearate Ethyl Oleate Ethyl Palmitate
Caution for dry skin
Terpineol Menthol Camphor
Oily/Acne-Prone Skin No data
Sensitive Skin 3/18
Good for sensitive skin
Tocopheryl Acetate Menthol Camphor
Caution for sensitive skin
Linalyl Acetate Ethyl Linolenate Ethyl Linoleate Ethyl Stearate Ethyl Oleate Ethyl Palmitate Geranyl Acetate Terpineol Cupressus Sempervirens Oil Menthol Linalool Citronellol Limonene Citral Geraniol Coumarin Camphor Beta-Caryophyllene

Ingredients list

33 total
Lower hazard (1) Higher hazard (7)
All33 Fragrance20 Skin Conditioning15 Perfuming12 Masking11 Emollient5 Skin Conditioning Emollient4 Hair Conditioning3 Tonic3
EWG CIR Ingredient Name & Cosmetic Functions Notes
Glycine Soja Oil
(Perfuming, Skin Conditioning, Skin Conditioning Emollient)
Zea Mays Germ Oil
(Skin Conditioning, Skin Conditioning Emollient)
Helianthus Annuus Seed Oil
(Fragrance, Skin Conditioning, Skin Conditioning Emollient)
PARFUM
(Fragrance, Perfuming)
1
Ethyl Linoleate
(Fragrance, Skin Conditioning, Emollient, Perfuming)
Fungal Acne
Fungal Acne Trigger
1
Ethyl Linolenate
(Fragrance, Skin Conditioning, Emollient)
Rosmarinus Officinalis Leaf Oil
(Fragrance, Skin Conditioning)
1
Ethyl Oleate
(Fragrance, Hair Conditioning, Skin Conditioning, Emollient, Perfuming)
Fungal Acne
Fungal Acne Trigger
2
Cupressus Sempervirens Oil
(Masking)
3
Tocopheryl Acetate
(Antioxidant, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
1
Ethyl Palmitate
(Fragrance, Hair Conditioning, Skin Conditioning, Emollient, Perfuming)
Lavandula Angustifolia Extract
(Skin Conditioning)
Thymus Vulgaris Flower/Leaf Oil
(Fragrance, Skin Conditioning, Tonic)
1
Ethyl Stearate
(Fragrance, Hair Conditioning, Skin Conditioning, Emollient, Perfuming)
Pelargonium Graveolens Leaf Oil
(Not Reported)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
Lavandula Hybrida Extract
(Skin Conditioning Emollient)
1
Eucalyptus Globulus Bad for Sensitive Skin
Bad for Sensitive Skin
7
Geraniol
(Fragrance, Masking, Tonic)
Allergens
Allergens
1
Geranyl Acetate
(Fragrance, Perfuming, Tonic)
6
Limonene
(Deodorant, Perfuming, Solvent)
Allergens
Allergens
7
Coumarin
(Fragrance, Masking)
Allergens
Allergens
5
Linalool
(Fragrance, Deodorant, Masking)
Allergens
Allergens
5
Citronellol
(Fragrance, Masking)
Allergens
Allergens
7
Citral
(Flavoring Agent, Fragrance, Masking)
Allergens
Allergens
1
Menthol
(Denaturant, External Analgesic, Flavoring Agent, Fragrance, Oral Health Caredrug, Masking, Refreshing, Soothing)
Good for Oily Skin
Good for Oily Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
Bad for Dry Skin
Bad for Dry Skin
Pinene
(Antifoaming, Fragrance)
1
Linalyl Acetate
(Fragrance, Masking)
2
Camphor
(Denaturant, External Analgesic, Fragrance, Plasticizer, Masking)
Good for Oily Skin
Good for Oily Skin
Beta-Caryophyllene
(Masking, Perfuming, Skin Conditioning)
Terpinolene
(Perfuming)
Alpha-Terpinene
(Perfuming)
1
Terpineol
(Denaturant, Masking, Perfuming, Solvent)

My Ingredient Notes

No personal ingredient notes yet. Save ingredients to your profile to get good/bad alerts here.

Browse similar serums, essence, ampoule
No close formula match yet — browse other products like this

Key ingredients

Glycine Soja Oil
Skin Conditioning
Zea Mays Germ Oil
Skin Conditioning
Helianthus Annuus Seed Oil
Skin Conditioning
Ethyl Linoleate
Skin Conditioning, Emollient
Ethyl Linolenate
Skin Conditioning, Emollient
Rosmarinus Officinalis Leaf Oil
Skin Conditioning

Benefits

Good for dry skin

Concerns

Contains eu allergen
Not fungal acne (malassezia) safe
Geraniol — higher EWG
Coumarin — higher EWG
Citral — 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

Glycine Soja Oil
Perfuming, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A PerfumingSkin conditioningSkin conditioning emollient
Zea Mays Germ Oil
Skin conditioning, Skin conditioning emollient
Limited public safety data.Read moreShow less
EWG N/A Skin conditioningSkin conditioning emollient
Helianthus Annuus Seed Oil
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioningSkin conditioning emollient
PARFUM
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfuming
Ethyl Linolenate
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 FragranceSkin conditioningEmollient
Rosmarinus Officinalis Leaf Oil
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioning
Cupressus Sempervirens Oil
Masking
Low-hazard ingredient.Read moreShow less
EWG 2 Masking
Ethyl Palmitate
Fragrance, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 FragranceHair conditioningSkin conditioningEmollientPerfuming
Lavandula Angustifolia Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Thymus Vulgaris Flower/Leaf Oil
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioningTonic
Ethyl Stearate
Fragrance, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 FragranceHair conditioningSkin conditioningEmollientPerfuming
Pelargonium Graveolens Leaf Oil
Not reported
Limited public safety data.Read moreShow less
EWG N/A Not reported
TOCOPHEROL
Antioxidant, Fragrance
Limited public safety data.Read moreShow less
EWG N/A AntioxidantFragranceSkin conditioning
Lavandula Hybrida Extract
Skin conditioning emollient
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning emollient
Geranyl Acetate
Fragrance, Perfuming
Low-hazard ingredient.Read moreShow less
EWG 1 FragrancePerfumingTonic
+ 6 more — see the full ingredients list above
Ethyl Linoleate
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 FragranceSkin conditioningEmollientPerfuming Fungal-acne trigger
Ethyl Oleate
Fragrance, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 FragranceHair conditioningSkin conditioningEmollientPerfuming Fungal-acne trigger
Tocopheryl Acetate
Antioxidant, Skin conditioning
Potentially comedogenic - can block poresRead moreShow less
EWG 3 AntioxidantSkin conditioning Bad for Oily Skin
Eucalyptus Globulus
Other
Potentially a skin irritantRead moreShow less
EWG 1 Bad for Sensitive Skin
Geraniol
Fragrance, Masking
Higher-hazard ingredient.Read moreShow less
EWG 7 FragranceMaskingTonic Allergens
Limonene
Deodorant, Perfuming
Moderate-hazard ingredient.Read moreShow less
EWG 6 DeodorantPerfumingSolvent Allergens
Coumarin
Fragrance, Masking
Higher-hazard ingredient.Read moreShow less
EWG 7 FragranceMasking Allergens
Linalool
Fragrance, Deodorant
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceDeodorantMasking Allergens
Citronellol
Fragrance, Masking
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceMasking Allergens
Citral
Flavoring agent, Fragrance
Higher-hazard ingredient.Read moreShow less
EWG 7 Flavoring agentFragranceMasking Allergens
Menthol
Denaturant, External analgesic
Potentially a skin irritantRead moreShow less
EWG 1 DenaturantExternal analgesicFlavoring agentFragranceOral health caredrugMaskingRefreshingSoothing Good for Oily SkinBad for Sensitive SkinBad for Dry Skin
Camphor
Denaturant, External analgesic
Low-hazard ingredient.Read moreShow less
EWG 2 DenaturantExternal analgesicFragrancePlasticizerMasking Good for Oily Skin

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.

From the community

0
Reviews
0
Saved by users
0
In collections

Ratings & reviews

Write a Review
0.0
from 0 ratings

Used this product? Rate it in 10 seconds

Alternatives

More like this