Skincare that makes sense. See what's really in your products — in plain English.

For informational purposes only — not medical advice. Always consult a dermatologist for skin concerns.

Cinnamic Acid

1% line markerAI-analyzed

INCI: CINNAMIC ACID

fragrance ingredientmaskingantioxidantskin conditioning

What it does

An organic acid naturally found in cinnamon and other plants. It functions as a fragrance ingredient, masking agent, and has antioxidant properties.

Beneficial for

agingdullnesssun damagetexturefine lineswrinklesuneven tone

May aggravate

sensitivityredness

Safety summary

Generally considered safe for cosmetic use in regulated concentrations. Can be a sensitizer for some individuals.

CAS Number

140-10-3

1% line marker

This ingredient is commonly used as a marker to identify where ingredients drop below 1% concentration on the label.

For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.

Cinnamic Acid — Skincare Ingredient Guide — Dermasift — Dermasift