Swiss Apple Stem Cell (PhytoCellTec Malus Domestica) is a plant cell culture extract derived from a rare Swiss apple cultivar, marketed for protecting skin stem cells and reducing signs of aging. Evidence for human skin benefits is limited and largely supplier-derived.
| Reported effect | How often | Notes |
|---|---|---|
| Contact irritation | Rare | Mild redness or stinging, often related to other formulation components rather than the extract itself. |
| Allergic contact dermatitis | Rare | Possible in individuals sensitive to botanical extracts or preservatives in the carrier. |
| Itching or transient erythema | Very rare | Occasional reports; generally well tolerated in cosmetic concentrations. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.