Launin hotunan hoto wani nau'in microcapsules ne. Tare da asalin foda wanda aka nade a cikin microcapsules.Powder kayan zasu iya canza launi a cikin hasken rana. Irin wannan kayan yana da halaye na launi mai laushi da damar iya tsawon yanayi. Ana iya ƙara shi kai tsaye daidai da samfurin da ya dace.