Anagain is a pea sprout (Pisum sativum) extract marketed to stimulate signaling molecules associated with the hair follicle dermal papilla, aiming to prolong the anagen (growth) phase and reduce shedding. It is used in topical scalp and hair-care formulations as a botanical active.
| Reported effect | How often | Notes |
|---|---|---|
| Scalp irritation or redness | Rare | Mild, transient irritation possible at application site, more likely in sensitive individuals. |
| Allergic contact dermatitis | Very rare | Possible sensitization to the botanical extract or accompanying formulation components. |
| Itching | Rare | Localized pruritus reported occasionally with topical scalp products. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.