4-Hydroxy-3-methoxybenzaldehyde
AKA “vanillin, Vanillic aldehyde, Vanillaldehyde, p-Vanillin, Vanilline, Lioxin, 3-Methoxy-4-hydroxybenzaldehyde, 4-Hydroxy-3-methoxy-benzaldehyde”
Ingredient Facts
4-Hydroxy-3-methoxybenzaldehyde
AKA: Vanillin, Vanillic aldehyde, Vanillaldehyde, P-Vanillin, Vanilline, Lioxin, 3-Methoxy-4-hydroxybenzaldehyde, 4-Hydroxy-3-methoxy-benzaldehyde
Synthetic · Antioxidant
Synthetic
Antioxidant
Fragrance
Skin Conditioner
Clean
A natural-origin fragrance compound derived from vanilla, vanillin adds a warm, comforting vanilla scent to beauty products while providing antioxidant benefits to support skin health.
Solubility Slightly soluble (NTP, 1992)
Formula
C8H8O3
Mol. Weight
152.15
State
Vanillin appears as white or very slightly yellow needles.
See origin →
Functions
Antioxidant
Fights free radicals — the unstable molecules from UV, pollution, and stress that break down collagen and cause premature aging.
Fragrance
Added for scent. Can be natural or synthetic. Common irritant and allergen — one of the top reasons people react to products.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Reduces scarring
Skin Types
●all-skin-types
Take the Skin ID quiz to see if this matches your skinMelanin-Rich Skin
Suitable
CIR Safety Findings
all-shades-safe
Verified Feb 2026
Data: PubChem · CosIng