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“Exosomes” is one of the most-hyped words in skincare right now — here’s what plant-derived exosomes actually are, and an honest, unhyped look at where the science currently stands.
Exosomes are tiny, naturally occurring particles that cells use to send signals to each other. In skincare, “Cica Exosomes” typically refers to exosome-like particles derived from Centella asiatica (Cica) plant cells, included in a formula for their proposed role in supporting the skin’s own repair and calming signaling.
(Note: “exosome” is a heavily marketed, loosely regulated term in current cosmetic formulation — the review cited above is a general survey of the plant-exosome field, not a study of Cica Exosome ingredient)
Anyone looking for a lightweight, calming addition to a sun care formula — best understood as a supporting, emerging ingredient rather than the formula’s primary active.
No known precautions, though as with any newer cosmetic ingredient category, those with reactive or highly sensitive skin may want to patch-test.
Daily Defence Sunscreen, included as a calming, skin-supportive addition alongside the formula’s core UV filters.
Zinc Oxide, Chemical UV Filters, Ferulic Acid — the core sun-care actives it’s formulated alongside.
Nothing specific currently documented.
According to PubMed: -
Chen R et al. “Plant-Derived Exosomes in Aesthetic Medicine: Applications and Emerging Trends.” Biomaterials Research, 2026;30:0397. DOI
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