Talk to Dermatologist on Lice (juvein Sar Mein)

hello dr .. my daughter is 6 years old .. uske scalp mein bohat lice (juvain ) hain .. ek dr se consult kiya to usne bola liceonil cream scalp mein overnight lgadein suba ko wash kardein ... the reason for which i have posted is that k kya yeh liceonil cream safe hai overnight bachi k scalp pr lgana ... if safe hai hundred percent to isko kis taran use karna hai .. ?? i mean isko kisi cheez mein mix karna hai oil wagera mein ya nhin .. ?? or scalp mein apply karma hai ya hairs par jahn lice k eggs visible hoty hain hairs pr ??