Iji ụkpụrụ nke ịhọrọ absorption nke ìhè.IPL nke dị iche iche wavelengths banye pụrụ iche na agba ma ọ bụ pigmenti na akpụkpọ, decompose na melanin na akpụkpọ, mee ngwangwa ọbara mgbasa na metabolism nke anụ ahụ, na n'ikpeazụ igbapu melanin nke ahu, agba nke tụrụ nke nta nke nta agwụ.Ọ nwere ike wepụ ntutu isi, mee ka ọ dị ọcha ma mee ka akpụkpọ ahụ sie ike.