Blemish Sos

exfoliant · 15 ml · Skincare

Medik8 Blemish Sos is free of fragrance, sulfates, silicones, parabens and MI / MCI, going by its full 15-ingredient list, with niacinamide, glycerin and salicylic acid. List checked November 5, 2026.

The catch: it contains essential oils (Rosmarinus Officinalis (Rosemary) Leaf Oil), labelled fragrance allergens (Limonene, Linalool) and drying alcohol.

Fragrance-free
Contains essential oils
Contains labelled fragrance allergens
Contains drying alcohol
Sulfate-free
Silicone-free
Paraben-free
No MI/MCI

£25.00at Amazon UK

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Amazon UK prices as of 6 November 2026, 05:32 GMT; Amazon sets the final price at checkout.

Listed in Amazon's stores in United Kingdom · Germany · France · Italy · Netherlands · Poland · Sweden; links take you to your own store.

Key ingredients in Blemish Sos

Niacinamide
Vitamin B3; helps with oil, redness, uneven tone and the barrier.
Glycerin
A classic humectant that keeps skin hydrated.
Salicylic acid (BHA)
An oil-soluble exfoliant that clears inside pores.
Azelaic acid
Calms redness and evens tone; used for breakouts and rosacea-prone skin.

Full ingredient list, decoded

15 ingredients, in label order (highest amount first; below about 1% the order is free).

1Aqua (Water)Aqua is the INCI name for water, the main base of many creams, lotions and cleansers…
2Alcohol DenatAlcohol, usually ethanol, is a light liquid that dissolves oils and fragrance and dries…Drying alcohol
3Isopentyldiol
4NiacinamideNiacinamide is a form of vitamin B3 used in skincare and haircare to help with oil,…
5Azelaic Acid
6Salicylic AcidSalicylic acid is a beta hydroxy acid, or BHA, that gently exfoliates skin and helps…
7Octadecenedioic Acid
8Polyacrylate Crosspolymer-6Polyacrylate Crosspolymer-6 is a film-forming polymer that helps thicken formulas and…
9GlycerinGlycerin is a clear, thick, odorless liquid that pulls water into the skin and helps…
10PhenoxyethanolA synthetic preservative that helps stop bacteria, yeast and mold from growing in…
11Rosmarinus Officinalis (Rosemary) Leaf OilEssential oils
12EthylhexylglycerinEthylhexylglycerin is a lab-made, skin-friendly ingredient that boosts the power of…
13LimoneneLimonene is a natural scent molecule found in citrus peel oils. It gives products a…Labelled fragrance allergens
14Sodium MetabisulfiteSodium Metabisulfite is a white powder salt that dissolves in water and works mainly as…
15LinaloolLinalool is a fragrance compound found naturally in flowers and herbs, and in skincare…Labelled fragrance allergens

Source: Medik8 product page, eu.medik8.com/products/blemish-sos, retrieved November 5, 2026.

Every flag we check

Check	Result	Ingredients found
Fragrance	None listed	—
Essential oils	Contains	Rosmarinus Officinalis (Rosemary) Leaf Oil (#11)
Labelled fragrance allergens	Contains	Limonene (#13), Linalool (#15)
Drying alcohol	Contains	Alcohol Denat (#2)
Sulfates	None listed	—
Silicones	None listed	—
Parabens	None listed	—
MI / MCI	None listed	—
Formaldehyde releasers	None listed	—
Mineral oil & petrolatum	None listed	—
Lanolin	None listed	—
Chemical UV filters	None listed	—

Frequently asked questions

Is Medik8 Blemish Sos fragrance-free?

Yes. Medik8 Blemish Sos lists no parfum or fragrance, but it does contain essential oils (Rosmarinus Officinalis (Rosemary) Leaf Oil). Checked against its full ingredient list on November 5, 2026.

Does Medik8 Blemish Sos contain silicones, sulfates or parabens?

Silicones: none listed. Sulfates: none listed. Parabens: none listed.

Which ingredient rules does Medik8 Blemish Sos pass?

Its full list passes our ingredient rules for MI allergy, acne-prone skin, body acne and keratosis pilaris. Key ingredients: Niacinamide, Glycerin, Salicylic acid (BHA) and Azelaic acid.