Skin problem (insect bites and Dark Skin)

Hello mommies! Can you please recommend me a whitening soap or lotion for my toddler baby... He is now 2 yrs and 2 mos old... Nabobothered kc ako sa skin nya my mga insect bites sya kta nangitim at gus2 ko lng mg lighten ng slight ung skin nya. Thankyou in advance❤️#pleasehelp #firstbaby #1stimemom