Copper chlorophyll (chlorophyllin) is a water-soluble derivative of chlorophyll used in skincare as a green colorant and for its antioxidant and purported soothing or wound-supporting properties. It has also been studied topically for acne and skin-tone applications.
| Reported effect | How often | Notes |
|---|---|---|
Skin irritation or mild stinging | Uncommon | Transient irritation possible, especially on sensitive or compromised skin. |
Contact dermatitis / allergic sensitization | Rare | Reported infrequently; presents as redness, itching or rash. |
Temporary skin staining | Rare | Green tint may transiently discolor skin or fabrics due to the pigment. |
Photosensitivity reaction | Very rare | Chlorophyll derivatives are theoretically photosensitizing, though topical reports are scarce. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.