Ingredient Intelligence A–Z

Look up what is in the bottle.

Each ingredient gets an Evidence Meter grade for the human evidence, kept separate from how popular it is. Grades are provisional editorial calls until expert review.

A

  • Azelaic acid

    Moderate

    Dicarboxylic acid

E

  • Exosomes

    Weak

    Biologic-derived vesicles

G

  • Growth factors

    Weak

    Protein signalling molecules

N

  • Niacinamide

    Moderate

    Vitamin (B3)

P

  • PDRN

    Emerging

    Nucleic-acid derivative (fish DNA)

  • Peptides

    Emerging

    Peptides (a broad class)

  • Polynucleotides (PN)

    Emerging

    Nucleic-acid derivative (fish DNA)

R

  • Retinal

    Emerging

    Retinoid (vitamin A derivative)

  • Retinol

    Moderate

    Retinoid (vitamin A derivative)

V