Tart, metallic, with a sharp citric-acid character. Less round than orange, more clinical than lemon. A pharmaceutical quality distinguishes it from natural citrus — the smell of the supplement rather than the fruit. Slightly effervescent, with a mineral-metallic undertone from iron and zinc interactions.
Evolution over time
Immediately
Immediately
Sharp tart-metallic burst, pharmaceutical and clean
After a few hours
After a few hours
Softened citric quality, less clinical
After a few days
After a few days
Nearly gone — faint mineral trace
The Full Story
Vitamin C (ascorbic acid, C6H8O6) as a fragrance note refers to the specific tart-metallic smell associated with ascorbic acid tablets, effervescent vitamin drinks, and concentrated citrus supplements. Pure ascorbic acid itself is nearly odorless; the 'vitamin C smell' comes from its interaction with metal ions and its oxidation products.
The olfactory impression is sharp, acidic, and faintly metallic — more pharmaceutical than fruity. When vitamin C tablets dissolve in water, the effervescence releases small volatile molecules that create the characteristic tangy-medicinal scent. It is the smell of the pharmacy, not the orange grove.
In perfumery, this note appears in conceptual and clean-citrus compositions. It represents the intersection of citrus freshness and pharmaceutical sterility — a hyper-clean version of natural citrus.
Ascorbic acid was first isolated in 1928 by Albert Szent-Gyorgyi, who initially called it 'ignose' (from ignosco, 'I don't know') and then 'Godnose' when the first name was rejected. The crystal structure of ascorbic acid was determined by X-ray crystallography in 1933.
Extraction & Chemistry
Extraction method: Not a natural extract. Pure ascorbic acid is nearly odorless. The vitamin C scent impression is a composed accord using tart-citric synthetics, metallic notes, and clean-ozonic modifiers.
Molecular Formula
C₆H₈O₆
CAS Number
50-81-7
Botanical Name
N/A (organic compound; L-Ascorbic acid)
IFRA Status
No known restrictions
Synonyms
ascorbic acid, ascorbate
Physical Properties
Odor Strength
High
Lasting Power
24 hours
Appearance
Colorless to pale yellow clear liquid
Specific Gravity
1.65 g/cm³
Melting Point
190-192 °C (decomposition)
In Perfumery
Vitamin C is a conceptual top-note accent used in ultra-clean, citric, and pharmaceutical-inspired compositions. Built from sharp citric materials (citric acid character), metallic notes, and ozonic-clean modifiers. It provides a hyper-sterile citrus effect that reads as clinical rather than natural. Functions as a fleeting top-note modifier in conceptual and clean fragrances.