Robuta

https://pmc.ncbi.nlm.nih.gov/articles/PMC9372252/ Arctostaphylos uva-ursi L. leaves extract and its modified cysteine preparation for the management... Bearberry (Arctostaphylos uva-ursi L.) is a perennial plant of the heather family (Ericaceae). The leaves are dominated by arbutin, phenol carbonic acids... arctostaphylos uva ursi