Allergen & irritant analysis
2 flaggedThis serum from Dot & Key Skincare lists 19 ingredients. AllerNote's analysis flags 2 known contact allergens in the INCI list. No added fragrance, parabens, MI / MCI (isothiazolinones), formaldehyde-releasing preservatives, SLS / SLES sulfates were detected in the listed ingredients.
- Benzyl alcoholKnown allergen (preservative): Benzyl Alcohol
- Propylene glycolKnown allergen (solvent): Propylene Glycol
Not detected: added fragrance, parabens, MI / MCI (isothiazolinones), formaldehyde-releasing preservatives, SLS / SLES sulfates.
Based on what's flagged, take extra care if you're among:
- People sensitised to preservatives (e.g. MI/MCI or formaldehyde releasers)
How common are allergens in serums? See our data on the whole category →
Generated from this product's ingredient list and AllerNote's allergen database — educational, not medical advice or a substitute for patch testing.
Benefits
Key Ingredients
- 1AntioxidantsShields skin from free radical damage.
- 2Vitamin CBrightens, evens tone, and supports collagen.
- 3Vitamin EProtects skin and soothes irritation.
- 4Hyaluronic AcidHydrates by attracting and holding water.
Full Ingredient List
19INCI (full list, INCI order): water, ethoxydiglycol, propylene glycol, propanediol, glycerin, polysorbate 80, tocopherol, citrus sinensis fruit extract, terminalia ferdinandiana fruit extract, ferulic acid, sodium hyaluronate, sodium gluconate, disodium edta, allantoin, panthenol, citric acid, benzyl alcohol, ethylhexylglycerin, ascorbic acid
Tap any ingredient to see details
Potential Concerns
- May Worsen RosaceaCan trigger flare-ups in rosacea-prone skin.
- May Worsen EczemaMay worsen itching or irritation for eczema.
- May Worsen Oily SkinMay increase shine or excess oil.
- May Worsen DrynessCan strip moisture and worsen dryness.
- May Worsen IrritationMay cause stinging, redness, or sensitivity.
Frequently asked questions
Is 20% Vitamin C Serum With Blood Orange fragrance-free?
No added fragrance or EU-labelled fragrance allergens were detected in 20% Vitamin C Serum With Blood Orange's listed ingredients. "Not detected" isn't an absolute guarantee, but it's a good sign for fragrance-sensitive skin — confirm against the current pack and your own triggers.
Is 20% Vitamin C Serum With Blood Orange paraben-free?
No parabens were detected in 20% Vitamin C Serum With Blood Orange's listed ingredients. Worth keeping in perspective: parabens are among the least common cosmetic allergens, so "paraben-free" matters far less for reactive skin than avoiding fragrance or the preservative MI/MCI.
Is 20% Vitamin C Serum With Blood Orange suitable for sensitive or allergy-prone skin?
It depends on your specific triggers. 20% Vitamin C Serum With Blood Orange contains 2 flagged allergens and 0 irritants (listed in the analysis above). If none are on your personal allergen list it may suit you, but patch test first — add your allergens to AllerNote to check 20% Vitamin C Serum With Blood Orange against your own profile.

