CheckVegan

Is Natural Red 20 vegan?

Natural Red 20

Vegan Vegan
Vegetarian Vegetarian

Alkannin (CI 75530) is a natural naphthoquinone dye obtained from the roots of the plant dyer's alkanet (Alkanna tinctoria), found in the Mediterranean region. It is used as a red-brown food colourant and in cosmetics, and is the (S)-enantiomer of the related compound shikonin; the racemic mixture of the two is known as shikalkin.

Also known as Anchusin, Natural Red 20, Shikalkin
INCI name Natural Red 20
E number E103
EC number 610-730-7
CI number CI 75530
CosIng ID 99634
Last reviewed 3 June 2026

An ingredient is considered vegan if it contains no animal-derived components at any point in its production.

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