Sos Spot Roll-On Blemish Treatment
The Yon-ka Sos Spot Roll-On Blemish Treatment is a treatment. Our analysis of its 20 ingredients (6 low-risk) rates it Great (74/100). Based on its ingredients, it looks well-suited to dry skin.
The Yon-ka Sos Spot Roll-On Blemish Treatment is a treatment. Our analysis of its 20 ingredients (6 low-risk) rates it Great (74/100). Based on its ingredients, it looks well-suited to dry skin.
Summarised from our ingredient analysis — not brand marketing copy.
The evidence
| EWG | CIR | Ingredient Name & Cosmetic Functions | Notes |
|---|---|---|---|
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Water
(Solvent) |
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PEG-35 Castor Oil
(Emulsifying, Surfactant) |
Fungal Acne Trigger
|
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Borneol
(Fragrance, Masking, Perfuming) |
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Helianthus Annuus Seed Oil
(Fragrance, Skin Conditioning, Skin Conditioning Emollient) |
|
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lavandula angustifolia oil
(Fragrance, Tonic) |
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Citrus Aurantifolia Oil
(Cleansing, Fragrance, Hair Conditioning, Perfuming, Skin Conditioning, Tonic) |
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Pelargonium Graveolens Leaf Oil
(Not Reported) |
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Ichthammol
(Cosmetic Biocide, Antimicrobial) |
|
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Rosmarinus Officinalis Leaf Oil
(Fragrance, Skin Conditioning) |
|
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Cupressus Sempervirens Oil
(Masking) |
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Thymus Vulgaris Flower/Leaf Oil
(Fragrance, Skin Conditioning, Tonic) |
|
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Lactic Acid
(Exfoliant, Fragrance, Humectant, Ph Adjuster, Skin Conditioning Agent Humectant, Skin Conditioning, Buffering Agent) |
Bad for Sensitive Skin
|
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Sodium Lactate
(Buffering Agent, Exfoliant, Humectant, Keratolytic) |
|
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Calendula Officinalis Flower Extract
(Masking, Perfuming, Skin Conditioning) |
|
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Linalool
(Fragrance, Deodorant, Masking) |
Allergens
|
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Limonene
(Deodorant, Perfuming, Solvent) |
Allergens
|
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Citronellol
(Fragrance, Masking) |
Allergens
|
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Geraniol
(Fragrance, Masking, Tonic) |
Allergens
|
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Citral
(Flavoring Agent, Fragrance, Masking) |
Allergens
|
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Coumarin
(Fragrance, Masking) |
Allergens
|
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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 →
How to use
General guidance from this product's category and active ingredients — always follow the directions on the package.
Trust & honesty
The concentrations these actives are typically effective at in research — not a measurement of this product.
OTC leave-on AHAs are usually 5–10%. The effect also depends on pH and free-acid value, not the percentage alone.
Lactic Acid
INCI lists don't disclose amounts, and we don't claim to know this product's levels — these are the ranges these ingredients are usually effective at, so you can tell a real formula from "fairy-dusting" a marketed active. How we estimate this.
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